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	<title>Anwendungshinweise - NANOVEA: Moderne Profilometer, Tribometer, Nanoindenters und Kratzprüfgeräte für die Materialprüfung</title>
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	<title>Anwendungshinweise - NANOVEA: Moderne Profilometer, Tribometer, Nanoindenters und Kratzprüfgeräte für die Materialprüfung</title>
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		<title>Stent Coating Adhesion and Delamination Analysis Using Nano Scratch Testing</title>
		<link>https://nanovea.com/de/stent-coating-adhesion-testing-nano-scratch/?utm_source=rss&#038;utm_medium=rss&#038;utm_campaign=stent-coating-adhesion-testing-nano-scratch</link>
					<comments>https://nanovea.com/de/stent-coating-adhesion-testing-nano-scratch/#respond</comments>
		
		<dc:creator><![CDATA[Andrew Shore]]></dc:creator>
		<pubdate>Wed, 25 Mar 2026 20:57:16 +0000</pubdate>
				<category><![CDATA[Application Notes]]></category>
		<category><![CDATA[Laboratory Testing]]></category>
		<category><![CDATA[Profilometry | Geometry and Shape]]></category>
		<category><![CDATA[Profilometry | Roughness and Finish]]></category>
		<category><![CDATA[Profilometry | Texture and Grain]]></category>
		<category><![CDATA[Profilometry Testing]]></category>
		<guid ispermalink="false">https://nanovea.com/?p=26271</guid>

					<description><![CDATA[<p>Application Note &#124; Stent Coating Adhesion Testing Stent Coating Adhesion and Delamination Analysis Using Nano Scratch Testing Quantifying Coating Failure and Adhesion Performance on Drug-Eluting Stents Request Coating Adhesion Testing Speak with an Application Engineer Research &#38; Experimental Testing Duanjie Li, PhD Visual Design &#38; Editorial Andrew Shore Introduction Blood is carried through arteries from [&#8230;]</p>
<p>The post <a href="https://nanovea.com/de/stent-coating-adhesion-testing-nano-scratch/">Stent Coating Adhesion and Delamination Analysis Using Nano Scratch Testing</a> appeared first on <a href="https://nanovea.com/de">NANOVEA: Advanced Profilometers, Tribometers, Nanoindenters, and Scratch Testers for Materials Testing</a>.</p>
]]></description>
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									<p>Application Note | Stent Coating Adhesion Testing</p>								</div>
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					<h1 class="elementor-heading-title elementor-size-default">Stent Coating Adhesion and Delamination Analysis Using Nano Scratch Testing</h1>				</div>
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					<h2 class="elementor-heading-title elementor-size-default">Quantifying Coating Failure and Adhesion Performance on Drug-Eluting Stents</h2>				</div>
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															<img fetchpriority="high" decoding="async" width="1400" height="420" src="https://nanovea.com/wp-content/uploads/2026/03/stent-coating-delamination-nano-scratch-critical-load.jpg" class="attachment-full size-full wp-image-26273" alt="stent coating adhesion testing nano scratch delamination critical load" />															</div>
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					<p class="elementor-heading-title elementor-size-default">Duanjie Li, PhD</p>				</div>
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					<p class="elementor-heading-title elementor-size-default">Andrew Shore</p>				</div>
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					<h2 class="elementor-heading-title elementor-size-default">Einführung</h2>				</div>
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									<p data-start="836" data-end="1458">Blood is carried through arteries from the heart to the rest of the body. Any weakening or blockage of these vessels can pose significant health risks and may become life-threatening. A stent is a small mesh tube inserted into the lumen of a blood vessel to treat narrowed or weakened arteries. Stent implantation is now a widely used procedure to support the arterial wall and restore blood flowᶦ.</p>								</div>
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															<img decoding="async" width="1200" height="320" src="https://nanovea.com/wp-content/uploads/2026/03/medical-stent-mesh-structure-metal-stent-geometry.jpg" class="attachment-full size-full wp-image-26304" alt="" />															</div>
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									<p>Metal stent mesh geometry illustrating the structural complexity of vascular implant design.</p>								</div>
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					<h2 class="elementor-heading-title elementor-size-default">Why coating adhesion matters in drug-eluting stents</h2>				</div>
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									<p data-start="786" data-end="1054">Drug-eluting stents represent a major advancement in stent technology. They incorporate a biodegradable, biocompatible polymer coating that enables controlled drug release at the arterial site, helping to inhibit intimal thickening and reduce the risk of restenosisᶦᶦ.</p><p data-start="1056" data-end="1284">A critical concern in these systems is the delamination of the polymer coating from the metallic stent substrate. This coating carries the drug-eluting layer, and its adhesion directly impacts device performance and reliability.</p><p data-start="1286" data-end="1537">To improve coating adhesion, stents are often designed with complex geometries. In this study, the polymer coating is located at the bottom of grooves within the stent mesh. This configuration presents a significant challenge for adhesion measurement.</p><p data-start="1539" data-end="1795">A reliable method is required to quantitatively evaluate the interfacial strength between the polymer coating and the metal substrate. The small diameter of the stent mesh, comparable to a human hair, combined with its three-dimensional geometry, requires:</p><ul data-start="1796" data-end="1916"><li data-section-id="1n0qc6y" data-start="1796" data-end="1834">ultrafine X-Y positioning accuracy</li><li data-section-id="1003zy" data-start="1835" data-end="1870">precise control of applied load</li><li data-section-id="q3r43w" data-start="1871" data-end="1916">accurate depth measurement during testing</li></ul>								</div>
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									<p>ℹ️<em data-start="1410" data-end="1468"> Erfahren Sie mehr über <a href="https://nanovea.com/nanoindentation-and-scratch-testing-lab-services/">nanoindentation and scratch testing lab services for coating adhesion and failure analysis</a>.</em></p>								</div>
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					<h2 class="elementor-heading-title elementor-size-default">Measurement Method</h2>				</div>
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									<p data-start="267" data-end="454">Nano scratch testing is performed using the <a href="https://nanovea.com/instruments/pb1000/">NANOVEA PB1000 Mechanischer Tester</a>, in Nano Scratch Mode, to evaluate the cohesive and adhesive strength of the polymer coating on the metal mesh of stent samples.</p><p data-start="460" data-end="648">Controlled scratch measurements are carried out on stent geometries with dimensions comparable to a human hair, enabling precise evaluation of coating adhesion on complex stent structures.</p>								</div>
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									<p style="text-align: center; font-size: 20pt; color: black;">NANOVEA <span style="font-size: 20pt; color: #1b96cf;">PB1000 Advanced</span></p><p style="text-align: center; font-size: 20pt; color: black;">Mechanischer Tester</p>								</div>
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							<img decoding="async" width="300" height="264" src="https://nanovea.com/wp-content/uploads/2026/01/nanoindenter-scratch-tester-platform-nanovea-pb1000.jpg" class="elementor-animation-grow attachment-medium size-medium wp-image-25767" alt="Nanoindenter- und Scratch-Tester-Plattform NANOVEA PB1000 mit Nano- und Mikroindentationsmodulen" />								</a>
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					<h2 class="elementor-heading-title elementor-size-default">Testbedingungen</h2>				</div>
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					<h3 class="elementor-heading-title elementor-size-default">1. Regular Stent Samples</h3>				</div>
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									<p data-start="1228" data-end="1620">The stent is fixed on the sample stage, with a support wire inserted inside the stent tube to ensure stability during nano scratch testing. The NANOVEA Mechanical Tester is used to perform nano scratch measurements using the parameters summarized in Table 1, to evaluate the cohesive and adhesive strength of the polymer coating on the metal substrate.</p>								</div>
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				<div class="elementor-element elementor-element-dc94050 elementor-widget elementor-widget-text-editor" data-id="dc94050" data-element_type="widget" data-widget_type="text-editor.default">
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									<div class="measurement-table-wrapper"><table class="measurement-table"><thead><tr><th>Parameter</th><th>Value</th></tr></thead><tbody><tr><td>Load type</td><td>Progressiv</td></tr><tr><td>Initial load</td><td>0.05 mN</td></tr><tr><td>Final load</td><td>300 and 100 mN</td></tr><tr><td>Sliding speed</td><td>0.5 mm/min</td></tr><tr><td>Sliding distance</td><td>0.5 mm</td></tr><tr><td>Indenter geometry</td><td>Konisch</td></tr><tr><td>Indenter material (tip)</td><td>Diamant</td></tr><tr><td>Radius der Eindringkörperspitze</td><td>20 µm</td></tr><tr><td>Temperatur</td><td>24°C (room)</td></tr></tbody></table></div>								</div>
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									<p style="text-align: center;"><span class="fontstyle0" style="color: #1b96cf;">Tabelle 1: </span>Test parameters for nano scratch measurements on regular stent samples</p>								</div>
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					<h3 class="elementor-heading-title elementor-size-default">2. Grooved Stent Samples</h3>				</div>
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									<p data-start="1073" data-end="1296">The SEM image in Fig. 1 shows the cross-section of the stent sample. The stent features a groove with a depth of approximately 30 µm. The polymer coating, with a thickness of 10.8 µm, is located at the bottom of the groove.</p><p data-start="1298" data-end="1497">Standard 60° conical diamond tips are not sharp enough to reach the bottom of the groove without contacting the sidewalls. Therefore, a sharper 40° conical diamond tip is used in this study (Fig. 2).</p><p data-start="1499" data-end="1582">Nano scratch measurements are performed using the parameters summarized in Table 2.</p>								</div>
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									<div class="measurement-table-wrapper">
<table class="measurement-table">
<thead>
<tr>
<th>Parameter</th>
<th>Value</th>
</tr>
</thead>
<tbody>
<tr>
<td>Load type</td>
<td>Progressiv</td>
</tr>
<tr>
<td>Initial load</td>
<td>0.1 mN</td>
</tr>
<tr>
<td>Final load</td>
<td>300 mN</td>
</tr>
<tr>
<td>Ladegeschwindigkeit</td>
<td>300 mN/min</td>
</tr>
<tr>
<td>Scratch length</td>
<td>0.25 mm</td>
</tr>
<tr>
<td>Scratch speed</td>
<td>0.25 mm/min</td>
</tr>
<tr>
<td>Indenter geometry</td>
<td>40° cone</td>
</tr>
<tr>
<td>Indenter material (tip)</td>
<td>Diamant</td>
</tr>
<tr>
<td>Radius der Eindringkörperspitze</td>
<td>5 µm</td>
</tr>
</tbody>
</table>
</div>								</div>
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									<p style="text-align: center;"><span class="fontstyle0" style="color: #1b96cf;">Table 2: </span>Test parameters for nano scratch measurements on grooved stent samples</p>								</div>
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															<img loading="lazy" decoding="async" width="932" height="1042" src="https://nanovea.com/wp-content/uploads/2026/03/stent-groove-coating-cross-section-sem-adhesion-analysis.jpg" class="attachment-full size-full wp-image-26288" alt="stent groove cross section polymer coating thickness adhesion analysis nano scratch testing" />															</div>
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									<p style="text-align: center;"><span class="fontstyle0" style="color: #1b96cf;">Fig. 1: </span>SEM cross-section of a grooved stent showing polymer coating located at the bottom of the groove, highlighting the challenge of coating adhesion measurement in recessed geometries.</p>								</div>
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															<img decoding="async" src="https://nanovea.com/wp-content/uploads/2026/03/nano-scratch-diamond-tip-40-degree-stent-groove-testing.svg" class="attachment-full size-full wp-image-26289" alt="nano scratch diamond tip 40 degree stent groove coating adhesion testing schematic" />															</div>
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									<p style="text-align: center;"><span class="fontstyle0" style="color: #1b96cf;">Fig. 2: </span>Schematic of a 40° conical diamond tip designed for nano scratch testing inside stent grooves, enabling accurate adhesion measurement without sidewall interference.</p>								</div>
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					<h2 class="elementor-heading-title elementor-size-default">Ergebnisse und Diskussion</h2>				</div>
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				<section class="elementor-section elementor-top-section elementor-element elementor-element-55f91f5 elementor-section-boxed elementor-section-height-default elementor-section-height-default" data-id="55f91f5" data-element_type="section">
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									<p data-start="548" data-end="837">The stent mesh has a diameter of approximately 100 μm, comparable to a human hair. Precise positioning is therefore critical to ensure the scratch test is performed at the center of the stent mesh. The NANOVEA Mechanical Tester provides X–Y positioning accuracy down to 0.25 μm, enabling accurate test placement under the integrated optical microscope.</p>								</div>
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					<h3 class="elementor-heading-title elementor-size-default">1. Regular Stent Samples</h3>				</div>
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									<p data-start="641" data-end="857">Nano scratch testing is performed with a progressively increasing load up to 300 mN. The full scratch track on the stent is shown in Fig. 3a, while failure behavior at different stages is presented in Fig. 3b and 3c.</p><p data-start="859" data-end="893">Two critical loads are identified:</p><ul data-start="894" data-end="1061"><li data-section-id="14iz9qw" data-start="894" data-end="972">Lc1: the load at which the first visible damage appears on the coating</li><li data-section-id="1mmzt6b" data-start="973" data-end="1061">Lc2: the load at which the coating is fully removed and the substrate is exposed</li></ul><p data-start="1063" data-end="1226">The evolution of coefficient of friction (COF) and penetration depth is shown in Fig. 4, providing insight into the progression of coating failure during the test.</p><p data-start="1228" data-end="1499">The first signs of coating damage appear at Lc1 ≈ 14.5 mN. As the applied load increases, the diamond tip progressively penetrates the polymer coating, resulting in a wider and deeper scratch track. During this phase, the COF increases from approximately 0.05 to 0.7.</p><p data-start="1501" data-end="1756">At Lc2 ≈ 78.1 mN, the coating is fully delaminated from the metal substrate. Beyond this point, as the load continues to increase, both COF and penetration depth remain relatively stable due to the mechanical support of the underlying metal substrate.</p>								</div>
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				<section class="elementor-section elementor-top-section elementor-element elementor-element-23d3399 elementor-reverse-mobile elementor-section-boxed elementor-section-height-default elementor-section-height-default" data-id="23d3399" data-element_type="section">
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															<img loading="lazy" decoding="async" width="1200" height="404" src="https://nanovea.com/wp-content/uploads/2026/03/stent-coating-nano-scratch-track-full-progressive-load.jpg" class="attachment-full size-full wp-image-26293" alt="nano scratch track stent coating progressive load adhesion testing" />															</div>
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									<p>(a) Full Scratch Track</p>								</div>
				</div>
				<section class="elementor-section elementor-inner-section elementor-element elementor-element-7016a63 elementor-reverse-mobile elementor-section-full_width elementor-reverse-tablet elementor-section-height-default elementor-section-height-default" data-id="7016a63" data-element_type="section">
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															<img loading="lazy" decoding="async" width="897" height="670" src="https://nanovea.com/wp-content/uploads/2026/03/stent-coating-initial-failure-lc1-nano-scratch-14-5mn.jpg" class="attachment-large size-large wp-image-26294" alt="" />															</div>
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									<p>(b) <strong data-start="599" data-end="616">Lc1 ≈ 14.5 mN</strong></p>								</div>
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															<img loading="lazy" decoding="async" width="897" height="670" src="https://nanovea.com/wp-content/uploads/2026/03/stent-coating-delamination-lc2-nano-scratch-78-1mn.jpg" class="attachment-large size-large wp-image-26295" alt="stent coating delamination lc2 nano scratch 78.1 mN adhesion testing" />															</div>
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									<p>(c) <strong data-start="625" data-end="642">Lc2 ≈ 78.1 mN</strong></p>								</div>
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				<div class="elementor-element elementor-element-31f605b elementor-widget elementor-widget-text-editor" data-id="31f605b" data-element_type="widget" data-widget_type="text-editor.default">
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									<p style="text-align: center;"><span class="fontstyle0" style="color: #1b96cf;">Fig. 3: </span>Nano scratch track on a stent coating under progressively increasing load, showing (a) full scratch path, (b) initial coating failure at Lc1 ≈ 14.5 mN, and (c) complete coating delamination at Lc2 ≈ 78.1 mN.</p>								</div>
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				<section class="elementor-section elementor-top-section elementor-element elementor-element-c9cfe8c elementor-reverse-mobile elementor-section-boxed elementor-section-height-default elementor-section-height-default" data-id="c9cfe8c" data-element_type="section">
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															<img loading="lazy" decoding="async" width="1751" height="725" src="https://nanovea.com/wp-content/uploads/2026/03/nano-scratch-cof-depth-stent-coating-failure-analysis.jpg" class="attachment-full size-full wp-image-26296" alt="nano scratch testing stent coating coefficient of friction depth progression adhesion failure" />															</div>
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									<p style="text-align: center;"><span class="fontstyle0" style="color: #1b96cf;">Fig. 4: </span>Evolution of coefficient of friction (COF) and penetration depth during nano scratch testing of a stent coating under progressively increasing load, showing the progression of coating failure and transition to substrate support.</p>								</div>
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				<div class="elementor-element elementor-element-f9e723a elementor-widget elementor-widget-text-editor" data-id="f9e723a" data-element_type="widget" data-widget_type="text-editor.default">
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									<p data-start="246" data-end="537">Failures during nano scratch testing up to a maximum load of 300 mN occur at critical loads below 100 mN. To enable a more quantitative comparison of coating performance, additional tests are performed with a maximum load of 100 mN on two stent samples, referred to as Sample 1 and Sample 2.</p><p data-start="539" data-end="794">Fig. 5 compares the scratch tracks of Sample 1 and Sample 2 after nano scratch testing. Sample 1 exhibits the first sign of coating damage at a critical load of Lc1 ≈ 13.2 mN, while Sample 2 shows initial failure at a higher load of Lc1 ≈ 21.1 mN.</p><p data-start="796" data-end="1002">Coating delamination occurs at 62.5 mN for Sample 1. In contrast, the coating on Sample 2 remains intact throughout the test, continuing to protect the metal substrate under the same loading conditions.</p><p data-start="1004" data-end="1350">This behavior is further reflected in the evolution of coefficient of friction (COF) and penetration depth, as shown in Fig. 6. When the diamond tip penetrates through the coating and contacts the metal substrate in Sample 1, the COF reaches a peak while the penetration depth decreases due to the increased stiffness of the underlying substrate.</p>								</div>
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															<img loading="lazy" decoding="async" width="1797" height="288" src="https://nanovea.com/wp-content/uploads/2026/03/stent-coating-sample1-early-failure-nano-scratch.jpg" class="attachment-full size-full wp-image-26297" alt="stent coating sample 1 early failure nano scratch track delamination adhesion testing" />															</div>
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									<p>(a) Sample 1 – Early Coating Failure</p>								</div>
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															<img loading="lazy" decoding="async" width="1797" height="288" src="https://nanovea.com/wp-content/uploads/2026/03/stent-coating-sample2-high-adhesion-nano-scratch.jpg" class="attachment-full size-full wp-image-26298" alt="stent coating sample 2 high adhesion nano scratch track minimal damage testing" />															</div>
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									<p>(b) Sample 2 – Improved Coating Integrity</p>								</div>
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									<p style="text-align: center;"><span class="fontstyle0" style="color: #1b96cf;">Fig. 5: </span>Comparison of nano scratch tracks for two stent coatings, showing (a) early coating failure and delamination in Sample 1, and (b) improved coating integrity in Sample 2 under the same loading conditions.</p>								</div>
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															<img loading="lazy" decoding="async" width="1500" height="913" src="https://nanovea.com/wp-content/uploads/2026/03/nano-scratch-cof-depth-comparison-stent-coating-adhesion.jpg" class="attachment-full size-full wp-image-26299" alt="nano scratch testing stent coating COF depth comparison sample 1 sample 2 adhesion performance" />															</div>
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									<p style="text-align: center;"><span class="fontstyle0" style="color: #1b96cf;">Fig. 6: </span>Comparison of coefficient of friction (COF) and penetration depth for Sample 1 and Sample 2 during nano scratch testing, showing earlier substrate contact and higher friction response in Sample 1, indicating weaker coating adhesion.</p>								</div>
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				<section class="elementor-section elementor-top-section elementor-element elementor-element-f64c74c elementor-section-boxed elementor-section-height-default elementor-section-height-default" data-id="f64c74c" data-element_type="section">
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					<h3 class="elementor-heading-title elementor-size-default">2. Grooved Stent Samples</h3>				</div>
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				<div class="elementor-element elementor-element-8c1a0ec elementor-widget elementor-widget-text-editor" data-id="8c1a0ec" data-element_type="widget" data-widget_type="text-editor.default">
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									<p data-start="279" data-end="601">As shown in Fig. 1 and Fig. 7, the grooved stent mesh has a diameter of approximately 90 μm, comparable to a human hair. The groove has a width of ~50 μm and a depth of 30 μm. This geometry presents a significant challenge for nano scratch testing, particularly for evaluating coating adhesion at the bottom of the groove.</p><p data-start="603" data-end="847">Precise positioning is critical to locate the scratch test within the groove. The nano scratch test is performed with a progressively increasing load up to 300 mN. The full scratch tracks of grooved stent Samples 3 and 4 are compared in Fig. 7.</p><p data-start="849" data-end="1108">The critical load Lc is defined as the load at which the coating fails and the substrate becomes exposed. The evolution of normal load and penetration depth, shown in Fig. 8, provides further insight into the progression of coating failure during testing.</p><p data-start="1110" data-end="1331">As the applied load increases, the diamond tip progressively penetrates the polymer coating, resulting in a deeper scratch track. When the critical load Lc is reached, the coating delaminates from the metal substrate.</p><p data-start="1333" data-end="1516">Sample 3 exhibits coating failure at Lc ≈ 126 mN, while Sample 4 fails at a higher load of Lc ≈ 173 mN. This difference indicates stronger adhesion of the coating in Sample 4.</p><p data-start="1518" data-end="1773">The measured critical loads enable quantitative comparison of coating adhesion performance. Under the same testing conditions, the coating on Sample 4 demonstrates higher resistance to delamination, making it the better-performing candidate in this study.</p>								</div>
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															<img loading="lazy" decoding="async" width="1794" height="966" src="https://nanovea.com/wp-content/uploads/2026/03/stent-groove-coating-failure-sample3-nano-scratch-126mn.jpg" class="attachment-full size-full wp-image-26300" alt="stent groove coating failure sample 3 nano scratch 126 mN adhesion testing" />															</div>
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									<p>(c) Sample 3 – Coating Failure in Groove (Lc ≈ 126 mN)</p>								</div>
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															<img loading="lazy" decoding="async" width="1794" height="966" src="https://nanovea.com/wp-content/uploads/2026/03/stent-groove-coating-high-adhesion-sample4-nano-scratch-173mn.jpg" class="attachment-full size-full wp-image-26301" alt="stent groove coating adhesion sample 4 nano scratch 173 mN minimal failure testing" />															</div>
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									<p>(d) Sample 4 – Higher Adhesion in Groove (Lc ≈ 173 mN)</p>								</div>
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									<p style="text-align: center;"><span class="fontstyle0" style="color: #1b96cf;">Fig. 7: </span>Nano scratch tracks inside stent grooves for Samples 3 and 4, showing (c) coating failure at Lc ≈ 126 mN in Sample 3 and (d) higher adhesion with delayed failure at Lc ≈ 173 mN in Sample 4.</p>								</div>
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															<img loading="lazy" decoding="async" width="1500" height="680" src="https://nanovea.com/wp-content/uploads/2026/03/nano-scratch-load-depth-sample3-grooved-stent-failure.jpg" class="attachment-full size-full wp-image-26302" alt="" />															</div>
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									<p>(a) Sample 3 – Earlier Coating Failure (Lc ≈ 126 mN)</p>								</div>
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															<img loading="lazy" decoding="async" width="1500" height="680" src="https://nanovea.com/wp-content/uploads/2026/03/nano-scratch-load-depth-sample4-grooved-stent-high-adhesion.jpg" class="attachment-full size-full wp-image-26303" alt="" />															</div>
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									<p data-start="319" data-end="387">(b) Sample 4 – Delayed Failure and Higher Adhesion (Lc ≈ 173 mN)</p>								</div>
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									<p style="text-align: center;"><span class="fontstyle0" style="color: #1b96cf;">Fig. 8: </span>Evolution of normal load and penetration depth during nano scratch testing inside stent grooves for Samples 3 and 4, showing earlier coating failure in Sample 3 and delayed failure at higher load in Sample 4. The vertical green line indicates the critical load (Lc) where coating delamination occurs.</p>								</div>
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					<h2 class="elementor-heading-title elementor-size-default">Schlussfolgerung</h2>				</div>
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									<p data-start="245" data-end="468">This study demonstrates the ability of the NANOVEA Mechanical Tester to quantitatively evaluate the cohesive and adhesive strength of polymer coatings on both regular and grooved stent geometries using nano scratch testing.</p><p data-start="470" data-end="825">The recessed geometry of the stent grooves, approximately 50 μm wide and 30 μm deep, presents a significant challenge for coating adhesion measurement. The high X–Y positioning accuracy of 0.25 μm enables precise placement of the scratch test within these confined regions, allowing direct evaluation of coating performance where failure is most critical.</p><p data-start="827" data-end="1124">By applying a controlled, progressively increasing load, critical loads associated with coating failure can be identified and compared across samples. This approach enables reliable differentiation of coating adhesion performance and interfacial integrity, even on small, complex stent structures.</p>								</div>
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				<section class="elementor-section elementor-top-section elementor-element elementor-element-cee3530 elementor-section-boxed elementor-section-height-default elementor-section-height-default" data-id="cee3530" data-element_type="section">
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					<h2 class="elementor-heading-title elementor-size-default">Referenzen</h2>				</div>
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									<p data-start="414" data-end="843"><em>[I] http://www.nhlbi.nih.gov/health/health-topics/topics/stents</em><br /><em>[II] http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S1405-99402006000300008 </em></p>								</div>
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					<h2 class="elementor-heading-title elementor-size-default">Frequently Asked Questions About Stent Coating Adhesion Testing</h2>				</div>
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					<h3 class="elementor-heading-title elementor-size-default">What is stent coating adhesion testing?</h3>				</div>
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									<p data-start="168" data-end="494">Stent coating adhesion testing evaluates how strongly a polymer coating is bonded to the metal substrate of a stent. Techniques such as nano scratch testing quantify the load at which coating damage and delamination occur, providing measurable indicators of adhesion strength.</p>								</div>
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					<h3 class="elementor-heading-title elementor-size-default">What is critical load (Lc) in nano scratch testing?</h3>				</div>
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									<p data-start="658" data-end="746">Critical load (Lc) is the applied load at which a coating fails during a scratch test.</p><ul data-start="747" data-end="890"><li data-section-id="bhdxv4" data-start="747" data-end="813">Lc1 corresponds to the first visible damage in the coating</li><li data-section-id="4photk" data-start="814" data-end="890">Lc2 indicates complete coating removal and exposure of the substrate</li></ul><p data-start="892" data-end="967">These values are used to quantify and compare coating adhesion performance.</p>								</div>
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					<h3 class="elementor-heading-title elementor-size-default">Why is coating adhesion important in drug-eluting stents?</h3>				</div>
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									<p data-start="168" data-end="494">Coating adhesion directly affects the reliability of drug-eluting stents. Poor adhesion can lead to coating delamination, which may compromise controlled drug release and increase the risk of device failure.</p>								</div>
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					<h3 class="elementor-heading-title elementor-size-default">How do you measure coating adhesion inside stent grooves?</h3>				</div>
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									<p data-start="168" data-end="494">Measuring adhesion inside stent grooves requires high positioning accuracy and appropriate indenter geometry. Nano scratch testing with sharp diamond tips allows access to recessed coating regions, enabling direct evaluation of adhesion within complex stent geometries.</p>								</div>
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					<h3 class="elementor-heading-title elementor-size-default">What does coefficient of friction (COF) indicate in scratch testing?</h3>				</div>
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									<p data-start="168" data-end="494">The coefficient of friction (COF) reflects changes in surface interaction during the scratch test. A sudden increase in COF often indicates coating failure and contact between the indenter and the underlying metal substrate.</p>								</div>
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					<h3 class="elementor-heading-title elementor-size-default">How can nano scratch testing compare different coating formulations?</h3>				</div>
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									<p data-start="168" data-end="494">Nano scratch testing enables direct comparison of coatings by measuring critical loads under controlled conditions. Higher critical loads indicate stronger adhesion and improved resistance to delamination, allowing selection of better-performing coating systems.</p>								</div>
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					<h2 class="elementor-heading-title elementor-size-default">Need Reliable Stent Coating Adhesion Testing?</h2>				</div>
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				</div><p>The post <a href="https://nanovea.com/de/stent-coating-adhesion-testing-nano-scratch/">Stent Coating Adhesion and Delamination Analysis Using Nano Scratch Testing</a> appeared first on <a href="https://nanovea.com/de">NANOVEA: Advanced Profilometers, Tribometers, Nanoindenters, and Scratch Testers for Materials Testing</a>.</p>
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		<title>Dental Surface Roughness Measurement &#038; 3D Tooth Topography</title>
		<link>https://nanovea.com/de/dental-surface-roughness-measurement-3d-tooth-topography/?utm_source=rss&#038;utm_medium=rss&#038;utm_campaign=dental-surface-roughness-measurement-3d-tooth-topography</link>
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		<dc:creator><![CDATA[Andrew Shore]]></dc:creator>
		<pubdate>Thu, 05 Mar 2026 21:02:01 +0000</pubdate>
				<category><![CDATA[Application Notes]]></category>
		<category><![CDATA[Laboratory Testing]]></category>
		<category><![CDATA[Profilometry | Geometry and Shape]]></category>
		<category><![CDATA[Profilometry | Roughness and Finish]]></category>
		<category><![CDATA[Profilometry | Texture and Grain]]></category>
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		<guid ispermalink="false">https://nanovea.com/?p=26196</guid>

					<description><![CDATA[<p>Application Note &#124; Dental Surface Characterization Dental Surface Roughness Measurement and Full 3D Tooth Topography Surface Roughness Analysis Using Non-Contact Optical Profilometry Request Surface Analysis Ask an Expert Live Prepared by Walter Alabiso, PhD; Davide Morrone, MPhys; Andrew Shore, MA Introduction The ability to accurately characterize tooth surfaces, including micro-roughness and 3D surface topography at [&#8230;]</p>
<p>The post <a href="https://nanovea.com/de/dental-surface-roughness-measurement-3d-tooth-topography/">Dental Surface Roughness Measurement &#038; 3D Tooth Topography</a> appeared first on <a href="https://nanovea.com/de">NANOVEA: Advanced Profilometers, Tribometers, Nanoindenters, and Scratch Testers for Materials Testing</a>.</p>
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										<content:encoded><![CDATA[<div data-elementor-type="wp-post" data-elementor-id="26196" class="elementor elementor-26196" data-elementor-post-type="post">
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									<p>Application Note | Dental Surface Characterization</p>								</div>
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					<h1 class="elementor-heading-title elementor-size-default">Dental Surface Roughness Measurement and Full 3D Tooth Topography</h1>				</div>
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					<h2 class="elementor-heading-title elementor-size-default">Surface Roughness Analysis Using Non-Contact Optical Profilometry</h2>				</div>
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															<img loading="lazy" decoding="async" width="1024" height="307" src="https://nanovea.com/wp-content/uploads/2026/03/dental-surface-roughness-measurement-3d-optical-profilometer.jpg" class="attachment-large size-large wp-image-26092" alt="Dental surface roughness measurement and 3D molar reconstruction using optical profilometry" />															</div>
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					<p class="elementor-heading-title elementor-size-default">Vorbereitet von</p>				</div>
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					<p class="elementor-heading-title elementor-size-default">Walter Alabiso, PhD; Davide Morrone, MPhys; Andrew Shore, MA</p>				</div>
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				<section class="elementor-section elementor-top-section elementor-element elementor-element-b5911d1 elementor-section-content-middle elementor-reverse-mobile elementor-reverse-tablet elementor-section-boxed elementor-section-height-default elementor-section-height-default" data-id="b5911d1" data-element_type="section" data-settings="{&quot;background_background&quot;:&quot;classic&quot;}">
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					<h2 class="elementor-heading-title elementor-size-default">Einführung</h2>				</div>
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									<p data-start="836" data-end="1458">The ability to accurately characterize tooth surfaces, including micro-roughness and 3D surface topography at the nanometer scale, enables advanced research and applications in orthodontics and dental materials science. Non-contact optical profilometry provides a precise method for measuring dental surface roughness and analyzing tooth surface morphology without damaging delicate structures. These measurements support the development of composite dental materials that replicate the natural surface roughness of enamel, as well as the design and fabrication of patient-specific dental casts and restorative components.</p><p data-start="1460" data-end="1982">Low surface roughness plays a primary role in limiting bacterial adhesion and plaque formation, thereby reducing the risk of cavities. An increase in average roughness (Ra) above 2 µm leads to a steep increase in biofilm formation in vivo.¹ An Ra of 0.2 µm is considered the threshold value below which no further reduction in bacterial adhesion can be expected.²</p><p data-start="1984" data-end="2182">Reconstruction of the tooth’s 3D surface topography enables the fabrication of dental casts, which are essential for accurate diagnosis, treatment planning, and the fabrication of dental appliances.</p>								</div>
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					<h2 class="elementor-heading-title elementor-size-default">Non-Contact Optical Profilometry for Dental Surface Analysis</h2>				</div>
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									<p data-start="232" data-end="713">The present study illustrates the potential of NANOVEA’s high-precision non-contact optical profilometers for dental surface roughness measurement and 3D tooth topography analysis. Chromatic Light technology offers significant advantages over classical touch probe techniques. It acquires data points from deep crevices and complex geometries without introducing measurement errors or artifacts caused by local plastic deformation and without requiring extensive data manipulation.</p><p data-start="715" data-end="1135">Compared to focus variation systems, single-point optical sensing provides superior lateral and height accuracy, with X/Y resolution below 0.5 µm, maximum vertical resolution of 1.9 nm, and the ability to measure surface angles up to 87°. The technique is effective on transparent, opaque, specular, diffusive, polished, and rough dental surfaces, making it well suited for comprehensive dental surface characterization.</p>								</div>
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									<p>ℹ️<em data-start="1410" data-end="1468"> Erfahren Sie mehr über <a href="https://nanovea.com/surface-profiling-lab-services/">non-contact optical profilometry and surface roughness measurement services</a>.</em></p>								</div>
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					<h2 class="elementor-heading-title elementor-size-default">Measurement Method</h2>				</div>
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									<p data-start="313" data-end="697">Bei dieser Anwendung ist die <a href="https://nanovea.com/instruments/jr25/" target="_blank" rel="noopener">NANOVEA JR25 Non-Contact Optical Profiler</a> was used to analyze the surface roughness and 3D surface topography of an adult human molar previously affected by tooth decay. The side of the tooth was scanned using a PS2–MG140 single-point optical sensor to measure surface roughness parameters over a defined region of interest and along multiple line profiles.</p><p data-start="699" data-end="888">The crown of the tooth was then scanned and reconstructed using a PS5–MG35 single-point optical sensor, which is suited for larger-area acquisition and full 3D tooth topography measurement.</p>								</div>
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				<section class="elementor-section elementor-inner-section elementor-element elementor-element-d556682 elementor-reverse-mobile elementor-section-full_width elementor-reverse-tablet elementor-section-height-default elementor-section-height-default" data-id="d556682" data-element_type="section">
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									<p style="text-align: center; font-size: 20pt; color: black;"><br />NANOVEA <span style="font-size: 20pt; color: #1b96cf;">JR25 Portable</span><br />Optisches Profilometer</p>								</div>
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							<img loading="lazy" decoding="async" width="300" height="264" src="https://nanovea.com/wp-content/uploads/2026/01/nanovea-jr25-portable-optical-profilometer.jpg" class="elementor-animation-grow attachment-medium size-medium wp-image-25699" alt="NANOVEA JR25 portable optical profilometer for non-contact surface measurement" />								</a>
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					<h2 class="elementor-heading-title elementor-size-default">Surface Measurement Using NANOVEA Optical Profilometer</h2>				</div>
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									<p data-start="914" data-end="1026">Surface roughness measurements were performed on the lateral side of the molar crown, followed by full 3D reconstruction of the crown surface. Separate single-point optical sensors were used to optimize measurement accuracy for both localized roughness analysis and large-area surface topography acquisition.</p>								</div>
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									<p>PS2 – MG140</p>								</div>
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															<img loading="lazy" decoding="async" width="351" height="465" src="https://nanovea.com/wp-content/uploads/2026/03/optical-profilometer-dental-surface-roughness-measurement.jpg" class="attachment-large size-large wp-image-26123" alt="" />															</div>
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									<p>Surface roughness analysis by area and parallel line profiles on the side of the tooth’s crown.</p>								</div>
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									<p>PS5 – MG35</p>								</div>
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															<img loading="lazy" decoding="async" width="351" height="465" src="https://nanovea.com/wp-content/uploads/2026/03/3d-tooth-topography-measurement-optical-profilometer.jpg" class="attachment-large size-large wp-image-26122" alt="" />															</div>
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									<p>Full 3D surface reconstruction of the tooth’s crown.</p>								</div>
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					<h2 class="elementor-heading-title elementor-size-default">Messparameter</h2>				</div>
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									<p data-start="1228" data-end="1620">The following measurement parameters were used for localized surface roughness analysis and full 3D surface reconstruction of the molar crown using NANOVEA single-point optical sensors.</p>								</div>
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<table class="measurement-table">
<thead>
<tr>
<th>Parameter</th>
<th>Roughness Analysis (Area)</th>
<th>Roughness Analysis (Profiles)</th>
<th>Full 3D Reconstruction</th>
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<td>Optical Pen</td>
<td>PS2-MG140</td>
<td>PS2-MG140</td>
<td>PS5-MG35</td>
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<td>Z-Range [µm]</td>
<td>300</td>
<td>300</td>
<td>10000</td>
</tr>
<tr>
<td>X-Distance [mm]</td>
<td>2.00</td>
<td>3.00</td>
<td>7.50</td>
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<td>X-Step Size [µm]</td>
<td>1.70</td>
<td>1.70</td>
<td>10.00</td>
</tr>
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<td>Y-Distance [mm]</td>
<td>2.00</td>
<td>1.00</td>
<td>7.00</td>
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<td>Y-Step Size [µm]</td>
<td>1.70</td>
<td>100.00</td>
<td>10.00</td>
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<td>Averaging (Avg)</td>
<td>1</td>
<td>1</td>
<td>1</td>
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<td>Measurement Type</td>
<td>Direct</td>
<td>Direct</td>
<td>Direct</td>
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<td>Acquisition Mode</td>
<td>Single Frequency</td>
<td>Single Frequency</td>
<td>Dual Frequency</td>
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<td>Acquisition Rate [Hz]</td>
<td>200</td>
<td>200</td>
<td>100–400</td>
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<td>Light Intensity [%]</td>
<td>100</td>
<td>100</td>
<td>100</td>
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					<h2 class="elementor-heading-title elementor-size-default">Optical Profilometry Results</h2>				</div>
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					<h3 class="elementor-heading-title elementor-size-default">Surface Roughness Analysis (Area)</h3>				</div>
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									<p data-start="548" data-end="837">The PS2 single-point optical sensor was used to investigate fine surface features on the side of the tooth. The image below shows a false-color 2D surface map of the scanned region obtained by non-contact optical profilometry.</p>								</div>
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															<img loading="lazy" decoding="async" width="1162" height="906" src="https://nanovea.com/wp-content/uploads/2026/03/tooth-scanned-region-2d-height-map.jpg" class="attachment-full size-full wp-image-26127" alt="False-color 2D height map of scanned tooth surface region" />															</div>
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									<p data-start="548" data-end="837">A least-squares degree-8 polynomial form removal was applied to isolate the surface roughness component. The roughness filters S-Gaussian 2.5 µm and L-Gaussian 0.8 mm were then applied according to ISO 25178. The resulting filtered surface and corresponding roughness parameters are presented below.</p>								</div>
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				<section class="elementor-section elementor-inner-section elementor-element elementor-element-e80acb9 elementor-reverse-mobile elementor-section-full_width elementor-reverse-tablet elementor-section-height-default elementor-section-height-default" data-id="e80acb9" data-element_type="section">
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															<img loading="lazy" decoding="async" width="950" height="748" src="https://nanovea.com/wp-content/uploads/2026/03/tooth-surface-roughness-iso-25178-filtered-map.jpg" class="attachment-full size-full wp-image-26133" alt="" />															</div>
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									<div class="iso-roughness-table-wrapper"><table class="iso-roughness-table"><tbody><!-- Filter Settings --><tr class="section-header"><td colspan="4">ISO 25178 – Roughness (S-L)</td></tr><tr><td colspan="4"><strong>S-filter (λs):</strong> Gaussian, 2.5 µm</td></tr><tr><td colspan="4"><strong>F:</strong> [Workflow] Form removed (LS-poly 8)</td></tr><tr><td colspan="4"><strong>L-filter (λc):</strong> Gaussian, 0.8 mm</td></tr><!-- Height Parameters Header --><tr class="section-header"><td colspan="4">Height Parameters</td></tr><!-- Height Parameter Rows --><tr><td class="param-code">Sq</td><td>2.433</td><td>µm</td><td>Wurzel-Mittel-Quadrat-Höhe</td></tr><tr><td class="param-code">Ssk</td><td>-0.102</td><td> </td><td>Schrägheit</td></tr><tr><td class="param-code">Sku</td><td>3.715</td><td> </td><td>Kurtosis</td></tr><tr><td class="param-code">Sp</td><td>18.861</td><td>µm</td><td>Maximale Peakhöhe</td></tr><tr><td class="param-code">Sv</td><td>16.553</td><td>µm</td><td>Maximum pit depth</td></tr><tr><td class="param-code">Sz</td><td>35.414</td><td>µm</td><td>Maximale Höhe</td></tr><tr><td class="param-code">Sa</td><td>1.888</td><td>µm</td><td>Arithmetisches Mittel der Höhe</td></tr></tbody></table></div>								</div>
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									<p data-start="117" data-end="216">The average surface roughness Sa is 1.888 µm, while the peak-to-valley height Sz reaches 35.414 µm.</p><p data-start="218" data-end="295">A 3D surface rendering of the filtered area is shown below for visualization.</p>								</div>
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															<img loading="lazy" decoding="async" width="1200" height="892" src="https://nanovea.com/wp-content/uploads/2026/03/tooth-surface-roughness-3d-render-iso-filtered.jpg" class="attachment-full size-full wp-image-26129" alt="3D rendering of ISO 25178 filtered tooth surface roughness" />															</div>
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				<section class="elementor-section elementor-top-section elementor-element elementor-element-af84ca9 elementor-section-boxed elementor-section-height-default elementor-section-height-default" data-id="af84ca9" data-element_type="section">
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					<h3 class="elementor-heading-title elementor-size-default">Roughness Analysis (Profiles)</h3>				</div>
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									<p data-start="548" data-end="837">Surface roughness profiles were measured using a series of 11 parallel line scans along the X direction on the side of the tooth. The false-color 2D surface map of the raw scan is shown below.</p>								</div>
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															<img loading="lazy" decoding="async" width="1298" height="517" src="https://nanovea.com/wp-content/uploads/2026/03/tooth-line-roughness-raw-scan-2d-map.jpg" class="attachment-full size-full wp-image-26143" alt="False-color 2D raw scan of tooth surface for line roughness profiles" />															</div>
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									<p data-start="548" data-end="837">The surface form was removed using a least-squares 8-degree polynomial prior to applying the metrological filters, leaving the residual surface shown below.</p>								</div>
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															<img loading="lazy" decoding="async" width="1298" height="517" src="https://nanovea.com/wp-content/uploads/2026/03/tooth-line-roughness-residual-after-form-removal.jpg" class="attachment-full size-full wp-image-26144" alt="" />															</div>
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									<p data-start="548" data-end="837">A statistical analysis of the measured surface roughness profiles reveals the following line roughness parameters.</p>								</div>
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															<img loading="lazy" decoding="async" width="1670" height="606" src="https://nanovea.com/wp-content/uploads/2026/03/tooth-line-roughness-profile-overlay-analysis.jpg" class="attachment-full size-full wp-image-26148" alt="Overlay of multiple tooth surface roughness profiles for statistical analysis" />															</div>
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									<div class="iso-profile-wrapper"><p><!-- Desktop / wide screens --></p><table class="iso-profile-table iso-profile-desktop"><colgroup> <col class="col-code" /> <col class="col-unit" /> <col class="col-desc" /> <col class="col-num" /> <col class="col-num" /> <col class="col-num" /> <col class="col-num" /> </colgroup><tbody><tr class="iso-profile-section"><td colspan="7">ISO 4287 – Roughness (S-L)</td></tr><tr class="iso-profile-meta"><td colspan="7"><strong>F:</strong> Keiner</td></tr><tr class="iso-profile-meta"><td colspan="7"><strong>S-filter (λs):</strong> Gaussian, 2.5 µm</td></tr><tr class="iso-profile-meta"><td colspan="7"><strong>L-filter (λc):</strong> Gaussian, 0.8 mm</td></tr><tr class="iso-profile-meta"><td colspan="7"><strong>Evaluation length:</strong> All λc (3)</td></tr><tr class="iso-profile-section"><td colspan="7">Amplitude Parameters – Roughness Profile</td></tr><tr class="iso-profile-header"><th class="center"> </th><th class="center"> </th><th>Description</th><th class="center">Mean</th><th class="center">Std dev</th><th class="center">Min</th><th class="center">Max</th></tr><tr><td class="iso-profile-code">Rp</td><td class="iso-profile-unit">µm</td><td class="iso-profile-desc">Maximum peak height of the roughness profile</td><td class="center">5.683</td><td class="center">0.761</td><td class="center">4.315</td><td class="center">6.610</td></tr><tr><td class="iso-profile-code">Rv</td><td class="iso-profile-unit">µm</td><td class="iso-profile-desc">Maximum valley depth of the roughness profile</td><td class="center">6.242</td><td class="center">1.009</td><td class="center">4.701</td><td class="center">8.438</td></tr><tr><td class="iso-profile-code">Rz</td><td class="iso-profile-unit">µm</td><td class="iso-profile-desc">Maximum height of roughness profile</td><td class="center">11.925</td><td class="center">1.676</td><td class="center">9.123</td><td class="center">15.048</td></tr><tr><td class="iso-profile-code">Ra</td><td class="iso-profile-unit">µm</td><td class="iso-profile-desc">Arithmetic mean deviation of the roughness profile</td><td class="center">2.063</td><td class="center">0.297</td><td class="center">1.710</td><td class="center">2.629</td></tr><tr><td class="iso-profile-code">Rq</td><td class="iso-profile-unit">µm</td><td class="iso-profile-desc">Root-mean-square (RMS) deviation of the roughness profile</td><td class="center">2.523</td><td class="center">0.361</td><td class="center">2.057</td><td class="center">3.175</td></tr></tbody></table><p><!-- Mobile / tablet stacked cards --></p><div class="iso-profile-mobile"><div class="iso-profile-card-head">ISO 4287 – Roughness (S-L)</div><div class="iso-profile-meta-block"><div><strong>F:</strong> Keiner</div><div><strong>S-filter (λs):</strong> Gaussian, 2.5 µm</div><div><strong>L-filter (λc):</strong> Gaussian, 0.8 mm</div><div><strong>Evaluation length:</strong> All λc (3)</div></div><div class="iso-profile-card-section">Amplitude Parameters – Roughness Profile</div><div class="iso-profile-card"><div class="iso-profile-card-title"><span class="badge">Rp</span><span class="unit">µm</span></div><div class="desc">Maximum peak height of the roughness profile</div><div class="grid"><div>Mean<strong>5.683</strong></div><div>Std dev<strong>0.761</strong></div><div>Min<strong>4.315</strong></div><div>Max<strong>6.610</strong></div></div></div><div class="iso-profile-card"><div class="iso-profile-card-title"><span class="badge">Rv</span><span class="unit">µm</span></div><div class="desc">Maximum valley depth of the roughness profile</div><div class="grid"><div>Mean<strong>6.242</strong></div><div>Std dev<strong>1.009</strong></div><div>Min<strong>4.701</strong></div><div>Max<strong>8.438</strong></div></div></div><div class="iso-profile-card"><div class="iso-profile-card-title"><span class="badge">Rz</span><span class="unit">µm</span></div><div class="desc">Maximum height of roughness profile</div><div class="grid"><div>Mean<strong>11.925</strong></div><div>Std dev<strong>1.676</strong></div><div>Min<strong>9.123</strong></div><div>Max<strong>15.048</strong></div></div></div><div class="iso-profile-card"><div class="iso-profile-card-title"><span class="badge">Ra</span><span class="unit">µm</span></div><div class="desc">Arithmetic mean deviation of the roughness profile</div><div class="grid"><div>Mean<strong>2.063</strong></div><div>Std dev<strong>0.297</strong></div><div>Min<strong>1.710</strong></div><div>Max<strong>2.629</strong></div></div></div><div class="iso-profile-card"><div class="iso-profile-card-title"><span class="badge">Rq</span><span class="unit">µm</span></div><div class="desc">Root-mean-square (RMS) deviation of the roughness profile</div><div class="grid"><div>Mean<strong>2.523</strong></div><div>Std dev<strong>0.361</strong></div><div>Min<strong>2.057</strong></div><div>Max<strong>3.175</strong></div></div></div></div></div>								</div>
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									<p data-start="184" data-end="276">The value of Ra is consistent with the Sa value extracted from the surface area measurement.</p><p data-start="278" data-end="659">Different metrological filters can be applied to distinguish between macroscopic waviness and microscopic surface roughness. For example, a coarser filter cut-off, such as the 8 mm cut-off used with the Robust Gaussian order-2 filter, produces a smoother waviness profile (red) that is less sensitive to sharp local variations and follows the original surface profile more loosely.</p>								</div>
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															<img loading="lazy" decoding="async" width="1855" height="800" src="https://nanovea.com/wp-content/uploads/2026/03/tooth-surface-waviness-vs-roughness-filter-comparison.jpg" class="attachment-full size-full wp-image-26158" alt="Comparison of waviness and roughness profiles on tooth surface using coarse filter" />															</div>
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									<p data-start="548" data-end="837">Alternatively, a finer cut-off (e.g., 0.08 mm) enables the analysis of micro-roughness by removing the waviness component that follows the original profile at a larger scale, leaving the finer surface roughness features of the tooth visible.</p>								</div>
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															<img loading="lazy" decoding="async" width="1853" height="790" src="https://nanovea.com/wp-content/uploads/2026/03/tooth-surface-microroughness-profile-filtering.jpg" class="attachment-full size-full wp-image-26159" alt="" />															</div>
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									<p data-start="548" data-end="837">The microroughness analysis obtained using a 0.08 mm L-Gaussian filter is presented below.</p>								</div>
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															<img loading="lazy" decoding="async" width="1200" height="431" src="https://nanovea.com/wp-content/uploads/2026/03/tooth-surface-microroughness-final-profile.jpg" class="attachment-full size-full wp-image-26160" alt="Final microroughness profile of tooth surface after filtering" />															</div>
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									<div class="iso-profile-wrapper"><p><!-- Desktop / wide screens --></p><table class="iso-profile-table iso-profile-desktop"><colgroup> <col class="col-code" /> <col class="col-unit" /> <col class="col-desc" /> <col class="col-num" /> <col class="col-num" /> <col class="col-num" /> <col class="col-num" /> </colgroup><tbody><tr class="iso-profile-section"><td colspan="7">ISO 4287 – Roughness (S-L)</td></tr><tr class="iso-profile-meta"><td colspan="7"><strong>F:</strong> Keiner</td></tr><tr class="iso-profile-meta"><td colspan="7"><strong>S-filter (λs):</strong> Gaussian, 2.5 µm</td></tr><tr class="iso-profile-meta"><td colspan="7"><strong>L-filter (λc):</strong> Gaussian, 0.08 mm</td></tr><tr class="iso-profile-meta"><td colspan="7"><strong>Evaluation length:</strong> All λc (37)</td></tr><tr class="iso-profile-section"><td colspan="7">Amplitude Parameters – Roughness Profile</td></tr><tr class="iso-profile-header"><th class="center"> </th><th class="center"> </th><th>Description</th><th class="center">Mean</th><th class="center">Std dev</th><th class="center">Min</th><th class="center">Max</th></tr><tr><td class="iso-profile-code">Rp</td><td class="iso-profile-unit">µm</td><td class="iso-profile-desc">Maximum peak height of the roughness profile</td><td class="center">1.582</td><td class="center">0.122</td><td class="center">1.342</td><td class="center">1.748</td></tr><tr><td class="iso-profile-code">Rv</td><td class="iso-profile-unit">µm</td><td class="iso-profile-desc">Maximum valley depth of the roughness profile</td><td class="center">1.466</td><td class="center">0.119</td><td class="center">1.254</td><td class="center">1.661</td></tr><tr><td class="iso-profile-code">Rz</td><td class="iso-profile-unit">µm</td><td class="iso-profile-desc">Maximum height of roughness profile</td><td class="center">3.049</td><td class="center">0.196</td><td class="center">2.820</td><td class="center">3.409</td></tr><tr><td class="iso-profile-code">Ra</td><td class="iso-profile-unit">µm</td><td class="iso-profile-desc">Arithmetic mean deviation of the roughness profile</td><td class="center">0.495</td><td class="center">0.047</td><td class="center">0.423</td><td class="center">0.597</td></tr><tr><td class="iso-profile-code">Rq</td><td class="iso-profile-unit">µm</td><td class="iso-profile-desc">Root-mean-square (RMS) deviation of the roughness profile</td><td class="center">0.643</td><td class="center">0.056</td><td class="center">0.562</td><td class="center">0.762</td></tr></tbody></table><p><!-- Mobile / tablet stacked cards --></p><div class="iso-profile-mobile"><div class="iso-profile-card-head">ISO 4287 – Roughness (S-L)</div><div class="iso-profile-meta-block"><div><strong>F:</strong> Keiner</div><div><strong>S-filter (λs):</strong> Gaussian, 2.5 µm</div><div><strong>L-filter (λc):</strong> Gaussian, 0.8 mm</div><div><strong>Evaluation length:</strong> All λc (3)</div></div><div class="iso-profile-card-section">Amplitude Parameters – Roughness Profile</div><div class="iso-profile-card"><div class="iso-profile-card-title"><span class="badge">Rp</span><span class="unit">µm</span></div><div class="desc">Maximum peak height of the roughness profile</div><div class="grid"><div>Mean<strong>5.683</strong></div><div>Std dev<strong>0.761</strong></div><div>Min<strong>4.315</strong></div><div>Max<strong>6.610</strong></div></div></div><div class="iso-profile-card"><div class="iso-profile-card-title"><span class="badge">Rv</span><span class="unit">µm</span></div><div class="desc">Maximum valley depth of the roughness profile</div><div class="grid"><div>Mean<strong>6.242</strong></div><div>Std dev<strong>1.009</strong></div><div>Min<strong>4.701</strong></div><div>Max<strong>8.438</strong></div></div></div><div class="iso-profile-card"><div class="iso-profile-card-title"><span class="badge">Rz</span><span class="unit">µm</span></div><div class="desc">Maximum height of roughness profile</div><div class="grid"><div>Mean<strong>11.925</strong></div><div>Std dev<strong>1.676</strong></div><div>Min<strong>9.123</strong></div><div>Max<strong>15.048</strong></div></div></div><div class="iso-profile-card"><div class="iso-profile-card-title"><span class="badge">Ra</span><span class="unit">µm</span></div><div class="desc">Arithmetic mean deviation of the roughness profile</div><div class="grid"><div>Mean<strong>2.063</strong></div><div>Std dev<strong>0.297</strong></div><div>Min<strong>1.710</strong></div><div>Max<strong>2.629</strong></div></div></div><div class="iso-profile-card"><div class="iso-profile-card-title"><span class="badge">Rq</span><span class="unit">µm</span></div><div class="desc">Root-mean-square (RMS) deviation of the roughness profile</div><div class="grid"><div>Mean<strong>2.523</strong></div><div>Std dev<strong>0.361</strong></div><div>Min<strong>2.057</strong></div><div>Max<strong>3.175</strong></div></div></div></div></div>								</div>
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					<h3 class="elementor-heading-title elementor-size-default">Full 3D Tooth Surface Topography Reconstruction</h3>				</div>
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									<p data-start="548" data-end="837">The extended Z-scan range of the PS5 optical sensor enables high-fidelity scanning of the entire tooth crown surface. The resulting 3D surface topography is shown below.</p>								</div>
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															<img loading="lazy" decoding="async" width="469" height="348" src="https://nanovea.com/wp-content/uploads/2026/03/tooth-crown-surface-topography-3d-optical-profilometry.jpg" class="attachment-full size-full wp-image-26172" alt="False-color surface topography map of full tooth crown measured with optical profilometer" />															</div>
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									<p style="text-align: center;"><span class="fontstyle0" style="color: #1b96cf;">2D VIEW: </span>2D surface map of the tooth crown measured with optical profilometry</p>								</div>
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															<img loading="lazy" decoding="async" width="1200" height="930" src="https://nanovea.com/wp-content/uploads/2026/03/molar-crown-3d-surface-reconstruction-profilometer.jpg" class="attachment-full size-full wp-image-26173" alt="3D surface reconstruction of molar crown from optical profilometer scan" />															</div>
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									<p style="text-align: center;"><span class="fontstyle0" style="color: #1b96cf;">3D VIEW: </span>High-fidelity 3D rendering of the molar crown surface obtained with optical profilometry</p>								</div>
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				<section class="elementor-section elementor-top-section elementor-element elementor-element-683f81e elementor-section-boxed elementor-section-height-default elementor-section-height-default" data-id="683f81e" data-element_type="section">
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					<h2 class="elementor-heading-title elementor-size-default">Schlussfolgerung</h2>				</div>
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									<p data-start="401" data-end="560">In this application, the NANOVEA JR25 Non-Contact Optical Profiler was used to measure the surface roughness and 3D surface topography of an adult human molar.</p><p data-start="562" data-end="922">Both the area scan and the line profile analysis revealed a roughness Rq of approximately 2.5 µm and an Ra of about 1.9–2.0 µm. These values are consistent with results reported in the literature.³ The use of a narrower L-Gaussian filter with an 80 µm cut-off enabled further investigation of micro-roughness, revealing an Rq of 0.643 µm and an Ra of 0.495 µm.</p><p data-start="924" data-end="1270">The full 3D surface topography of the molar crown was reconstructed with high fidelity. The high measurement resolution allows detection of fine surface features and crevices. The resulting surface data can be easily processed and exported as STL files, enabling the design and fabrication of customized dental devices and restorative components.</p>								</div>
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					<h2 class="elementor-heading-title elementor-size-default">Referenzen</h2>				</div>
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									<p data-start="414" data-end="843"><em>[1] Shin, B.W., et al. Surface Roughness of Prefabricated Pediatric Zirconia Crowns Following Simulated Toothbrushing. Pediatric Dentistry 44.5 (2022): 363–367.</em><br /><em>[2] Bollen, C.M.L., Paul Lambrechts, and Marc Quirynen. Comparison of surface roughness of oral hard materials to the threshold surface roughness for bacterial plaque retention: A review of the literature. Dental Materials 13.4 (1997): 258–269.</em><br /><em>[3] Suputtamongkol, K., et al. Surface roughness resulting from wear of lithia-disilicate-based posterior crowns. Wear 269.3–4 (2010): 317–322.</em></p>								</div>
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					<h2 class="elementor-heading-title elementor-size-default">Frequently Asked Questions About Dental Surface Roughness Measurement</h2>				</div>
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					<h3 class="elementor-heading-title elementor-size-default">What is dental surface roughness measurement?</h3>				</div>
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									<p data-start="168" data-end="494">Dental surface roughness measurement quantifies the microscopic texture of tooth surfaces using parameters such as Ra, Rq, and Sa. Optical profilometers measure these features without contacting the surface, allowing accurate analysis of enamel, restorative materials, and dental crowns.</p>								</div>
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					<h3 class="elementor-heading-title elementor-size-default">Why use optical profilometry to measure tooth roughness?</h3>				</div>
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									<p data-start="168" data-end="494">Optical profilometry provides non-contact surface measurement with nanometer-scale vertical resolution. It captures 2D surface maps and full 3D surface topography of dental structures without damaging soft or polished surfaces.</p>								</div>
				</div>
				<div class="elementor-element elementor-element-cf1f839 elementor-widget elementor-widget-heading" data-id="cf1f839" data-element_type="widget" data-widget_type="heading.default">
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					<h3 class="elementor-heading-title elementor-size-default">What roughness parameters are used for dental surface analysis?</h3>				</div>
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									<p data-start="168" data-end="494">Common roughness parameters include Ra (arithmetic mean roughness), Rq (root mean square roughness), Sa (areal roughness), and Sz (maximum surface height). These parameters help evaluate enamel wear, plaque adhesion risk, and the performance of restorative materials.</p>								</div>
				</div>
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					<h3 class="elementor-heading-title elementor-size-default">Why is surface roughness important in dentistry?</h3>				</div>
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									<p data-start="168" data-end="494">Surface roughness affects plaque retention, wear resistance, and the long-term performance of dental restorations. Controlling micro-roughness can reduce bacterial adhesion and improve the durability of dental materials.</p>								</div>
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					<h2 class="elementor-heading-title elementor-size-default">Need Reliable Surface Roughness Measurement for Dental Materials?</h2>				</div>
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				</div><p>The post <a href="https://nanovea.com/de/dental-surface-roughness-measurement-3d-tooth-topography/">Dental Surface Roughness Measurement &#038; 3D Tooth Topography</a> appeared first on <a href="https://nanovea.com/de">NANOVEA: Advanced Profilometers, Tribometers, Nanoindenters, and Scratch Testers for Materials Testing</a>.</p>
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		<title>Prüfung der Kratzfestigkeit von Handy-Displayschutzfolien</title>
		<link>https://nanovea.com/de/prufung-der-kratzfestigkeit-von-handy-displayschutzfolien/?utm_source=rss&#038;utm_medium=rss&#038;utm_campaign=scratch-resistance-testing-of-phone-screen-protectors</link>
					<comments>https://nanovea.com/de/prufung-der-kratzfestigkeit-von-handy-displayschutzfolien/#respond</comments>
		
		<dc:creator><![CDATA[Andrew Shore]]></dc:creator>
		<pubdate>Wed, 12 Nov 2025 17:42:04 +0000</pubdate>
				<category><![CDATA[Application Notes]]></category>
		<category><![CDATA[Indentation | Fracture Toughness]]></category>
		<category><![CDATA[Laboratory Testing]]></category>
		<category><![CDATA[Mechanical Testing]]></category>
		<category><![CDATA[Scratch Testing | Cohesive Failure]]></category>
		<guid ispermalink="false">https://nanovea.com/?p=25222</guid>

					<description><![CDATA[<p>Scratch Resistance Testing of Phone Screen Protectors Prepared by Stacey Pereira, Jocelyn Esparza, and Pierre Leroux Understanding Scratch Resistance in Phone Screen Protectors Protective coatings on phone screens play a critical role in scratch resistance, adhesion strength, and long-term durability. Over time, scratches, micro-cracks, and coating delamination can reduce optical clarity and reliability — especially [&#8230;]</p>
<p>The post <a href="https://nanovea.com/de/prufung-der-kratzfestigkeit-von-handy-displayschutzfolien/">Scratch Resistance Testing of Phone Screen Protectors</a> appeared first on <a href="https://nanovea.com/de">NANOVEA: Advanced Profilometers, Tribometers, Nanoindenters, and Scratch Testers for Materials Testing</a>.</p>
]]></description>
										<content:encoded><![CDATA[<div data-elementor-type="wp-post" data-elementor-id="25222" class="elementor elementor-25222" data-elementor-post-type="post">
						<section class="elementor-section elementor-top-section elementor-element elementor-element-f94c24a elementor-section-boxed elementor-section-height-default elementor-section-height-default" data-id="f94c24a" data-element_type="section">
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					<h1 class="elementor-heading-title elementor-size-default">Prüfung der Kratzfestigkeit von Handy-Displayschutzfolien</h1>				</div>
				</div>
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															<img loading="lazy" decoding="async" width="1024" height="307" src="https://nanovea.com/wp-content/uploads/2025/11/cracked-phone-screen-protector-scratch-test.jpg" class="attachment-large size-large wp-image-25259" alt="" />															</div>
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					<p class="elementor-heading-title elementor-size-default">Vorbereitet von</p>				</div>
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					<p class="elementor-heading-title elementor-size-default">Stacey Pereira, Jocelyn Esparza und Pierre Leroux</p>				</div>
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					</div>
		</div>
					</div>
		</section>
				<section class="elementor-section elementor-top-section elementor-element elementor-element-b5911d1 elementor-section-content-middle elementor-reverse-mobile elementor-reverse-tablet elementor-section-boxed elementor-section-height-default elementor-section-height-default" data-id="b5911d1" data-element_type="section" data-settings="{&quot;background_background&quot;:&quot;classic&quot;}">
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					<h2 class="elementor-heading-title elementor-size-default">Kratzfestigkeit von Handy-Displayschutzfolien verstehen</h2>				</div>
				</div>
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									<p data-start="327" data-end="820">Schutzbeschichtungen auf Telefonbildschirmen spielen eine entscheidende Rolle bei der Kratzfestigkeit, der Haftfestigkeit und der langfristigen Haltbarkeit. Im Laufe der Zeit können Kratzer, Mikrorisse und Delaminationen der Beschichtung die optische Klarheit und Zuverlässigkeit beeinträchtigen - insbesondere in stark beanspruchten Umgebungen. Um die Widerstandsfähigkeit verschiedener Displayschutzfolien gegen mechanische Beschädigungen zu bewerten, bieten instrumentierte Kratztests einen quantifizierbaren Einblick in die Mechanismen des Versagens der Beschichtung, einschließlich Adhäsion, Kohäsion und Bruchverhalten.</p><p data-start="822" data-end="1136">In dieser Studie, <a href="https://nanovea.com/instruments/pb1000/">NANOVEA PB1000 Mechanischer Tester</a> wird zum Vergleich von TPU und gehärtetem Glas unter kontrollierter progressiver Belastung verwendet. Mithilfe der präzisen Erkennung akustischer Emissionen identifizieren wir kritische Bruchlasten und charakterisieren, wie jedes Material auf zunehmende mechanische Belastung reagiert.</p>								</div>
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					<h2 class="elementor-heading-title elementor-size-default">Warum die Kratzfestigkeitsprüfung für Displayschutzfolien wichtig ist</h2>				</div>
				</div>
				<div class="elementor-element elementor-element-aae756f elementor-widget elementor-widget-text-editor" data-id="aae756f" data-element_type="widget" data-widget_type="text-editor.default">
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									<p data-start="1228" data-end="1620">Viele Anwender gehen davon aus, dass dickere oder härtere Schutzschichten automatisch besser sind. Die tatsächliche Haltbarkeit hängt jedoch davon ab, wie sich das Material bei fortschreitender Belastung, Oberflächenverformung und lokaler Beanspruchung verhält. Mit instrumentierten Kratztests können Ingenieure die Haftung der Beschichtung, die Kohäsionsfestigkeit, die Oberflächenverschleißfestigkeit und die genauen Belastungen messen, bei denen Ausfälle beginnen oder sich ausbreiten.</p><p data-start="1622" data-end="1964">Durch die Analyse von Rissinitiierungspunkten, Delaminationsverhalten und Fehlermodi können Hersteller die Leistung von Bildschirmschutzvorrichtungen für F&amp;E, Qualitätskontrolle oder vergleichende Benchmarking-Tests validieren. Nano- und Mikrokratztests bieten wiederholbare, datengestützte Einblicke in die reale Haltbarkeit, die weit über die traditionellen Härtewerte hinausgehen.</p>								</div>
				</div>
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									<p>ℹ️<em data-start="1410" data-end="1468"> Erfahren Sie mehr über <a class="decorated-link cursor-pointer" href="https://nanovea.com/nanoindentation-and-scratch-testing-lab-services/" target="_new" rel="noopener" data-start="2047" data-end="2121">Kratz- und Adhäsionstests für Beschichtungen und Bildschirmschutzfolien.</a></em></p>								</div>
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					</div>
		</section>
				<section class="elementor-section elementor-top-section elementor-element elementor-element-6911f48 elementor-reverse-mobile elementor-section-boxed elementor-section-height-default elementor-section-height-default" data-id="6911f48" data-element_type="section">
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					<h2 class="elementor-heading-title elementor-size-default">Scratch Testing Zielsetzung: <br>Messung von Bruchlasten in Bildschirmschutzvorrichtungen</h2>				</div>
				</div>
				<div class="elementor-element elementor-element-1fb52d9 elementor-widget elementor-widget-text-editor" data-id="1fb52d9" data-element_type="widget" data-widget_type="text-editor.default">
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									<p data-start="1702" data-end="2144">Ziel dieser Studie ist es, zu demonstrieren, wie der NANOVEA PB1000 Mechanik-Tester wiederholbare, standardisierte Kratzfestigkeitstests sowohl an Polymer- als auch an Glas-Bildschirmschutzfolien durchführt. Durch schrittweise Erhöhung der aufgebrachten Last erkennt das System kritische Belastungen für kohäsives und adhäsives Versagen, erfasst akustische Emissionssignale und korreliert diese Ereignisse mit der Kratztiefe, der Reibungskraft und der Oberflächenverformung.</p><p data-start="2146" data-end="2656">Diese Methode liefert ein vollständiges mechanisches Profil jeder Schutzbeschichtung und ermöglicht es Herstellern und Forschungs- und Entwicklungsteams, Materialformulierungen, Haftfestigkeit der Beschichtung, Oberflächenbeständigkeit und optimale Beschichtungsdicke für eine verbesserte Produktleistung zu bewerten. Diese Kratzertests sind Teil von NANOVEAs breiterem Angebot an <a href="https://nanovea.com/mechanical-testers/">Lösungen für mechanische Prüfungen</a> zur Charakterisierung von Beschichtungen, Filmen und Substraten in den Bereichen Forschung und Entwicklung, Qualitätskontrolle und Produktion eingesetzt.</p>								</div>
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									<p style="text-align: center; font-size: 18pt; color: black;">NANOVEA <span style="font-size: 18pt; color: #1b96cf;">PB1000 Großplattform</span><br />Mechanischer Tester</p>								</div>
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																<a href="https://nanovea.com/instruments/pb1000/">
							<img loading="lazy" decoding="async" width="300" height="298" src="https://nanovea.com/wp-content/uploads/2023/06/NANOVEA-Scratch-Tester-amd-Nanoindentation.jpg" class="elementor-animation-grow attachment-medium size-medium wp-image-22859" alt="NANOVEA SCRATCH TESTER: PTFE BESCHICHTUNG VERSCHLEISSTEST" />								</a>
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					<h2 class="elementor-heading-title elementor-size-default">Scratch-Test-Parameter und Geräteeinstellung</h2>				</div>
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									<p data-start="1228" data-end="1620">Die Bewertung der Kratzfestigkeit von TPU- und Hartglas-Bildschirmschutzfolien wurde unter kontrollierten Bedingungen durchgeführt, um die Wiederholbarkeit und die genaue Erkennung von Fehlern und Belastungen zu gewährleisten. Die folgenden Parameter definieren den Aufbau des Kratztests mit progressiver Belastung, der mit dem NANOVEA PB1000-Mechaniktester durchgeführt wurde.</p>								</div>
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<tbody>
<tr>
<td style="width: 50.0898%; padding: 6px 8px; color: #1b96cf; font-weight: bold; text-align: left;">LADUNGSTYP</td>
<td style="width: 49.9102%; padding: 6px 8px; font-weight: bold; text-align: right;">PROGRESSIVE</td>
</tr>
<tr>
<td style="padding: 6px 8px; color: #1b96cf; font-weight: bold; width: 50.0898%; text-align: left;">ANFANGSLADUNG</td>
<td style="padding: 6px 8px; font-weight: bold; width: 49.9102%; text-align: right;">0.1 N</td>
</tr>
<tr>
<td style="padding: 6px 8px; color: #1b96cf; font-weight: bold; width: 50.0898%; text-align: left;">ENDLADUNG</td>
<td style="padding: 6px 8px; font-weight: bold; width: 49.9102%; text-align: right;">12 N</td>
</tr>
<tr>
<td style="padding: 6px 8px; color: #1b96cf; font-weight: bold; width: 50.0898%; text-align: left;">GLEITGESCHWINDIGKEIT</td>
<td style="padding: 6px 8px; font-weight: bold; width: 49.9102%; text-align: right;">3,025 mm/min</td>
</tr>
<tr>
<td style="padding: 6px 8px; color: #1b96cf; font-weight: bold; width: 50.0898%; text-align: left;">GLEITSTRECKE</td>
<td style="padding: 6px 8px; font-weight: bold; width: 49.9102%; text-align: right;">3 mm</td>
</tr>
<tr>
<td style="padding: 6px 8px; color: #1b96cf; font-weight: bold; width: 50.0898%; text-align: left;">EINDRINGKÖRPERGEOMETRIE</td>
<td style="padding: 6px 8px; font-weight: bold; width: 49.9102%; text-align: right;">ROCKWELL (120°-KEGEL)</td>
</tr>
<tr>
<td style="padding: 6px 8px; color: #1b96cf; font-weight: bold; width: 50.0898%; text-align: left;">MATERIAL DES EINDRINGKÖRPERS (SPITZE)</td>
<td style="padding: 6px 8px; font-weight: bold; width: 49.9102%; text-align: right;">DIAMANT</td>
</tr>
<tr>
<td style="padding: 6px 8px; color: #1b96cf; font-weight: bold; width: 50.0898%; text-align: left;">RADIUS DER EINDRINGKÖRPERSPITZE</td>
<td style="padding: 6px 8px; font-weight: bold; width: 49.9102%; text-align: right;">50 µm</td>
</tr>
<tr>
<td style="padding: 6px 8px; color: #1b96cf; font-weight: bold; width: 50.0898%; text-align: left;">ATMOSPHÄRE</td>
<td style="padding: 6px 8px; font-weight: bold; width: 49.9102%; text-align: right;">AIR</td>
</tr>
<tr>
<td style="padding: 6px 8px; color: #1b96cf; font-weight: bold; width: 50.0898%; text-align: left;">TEMPERATUR</td>
<td style="padding: 6px 8px; font-weight: bold; width: 49.9102%; text-align: right;">24 °C (RAUMTEMPERATUR)</td>
</tr>
</tbody>
</table>								</div>
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									<p style="text-align: center;"><span class="fontstyle0" style="color: #1b96cf;">TABELLE 1:</span><span class="fontstyle0" style="color: #000000;"> <span class="fontstyle0">Testparameter für Kratztests</span> <br /></span></p>								</div>
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															<img loading="lazy" decoding="async" width="1024" height="658" src="https://nanovea.com/wp-content/uploads/2025/11/nanovea-mechanical-tester-screen-protector-scratch-test.jpg" class="attachment-large size-large wp-image-25228" alt="Muster eines Bildschirmschutzes im Kratzertest auf dem mechanischen Prüfgerät NANOVEA PB1000" />															</div>
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									<p>Bildschirmschutz-Probe auf dem NANOVEA PB1000 Mechanik-Tester während der Kratzermessung mit progressiver Belastung.</p>								</div>
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					<h2 class="elementor-heading-title elementor-size-default">Bildschirmschutzmuster für die Prüfung der Kratzfestigkeit</h2>				</div>
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				<div class="elementor-element elementor-element-76e6903 elementor-widget elementor-widget-text-editor" data-id="76e6903" data-element_type="widget" data-widget_type="text-editor.default">
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									<p data-start="339" data-end="686">Es wurden zwei handelsübliche Bildschirmschutzmaterialien ausgewählt, um die Unterschiede in der Kratzfestigkeit, dem Bruchverhalten und der mechanischen Haltbarkeit zu vergleichen. Beide Proben wurden sicher auf dem NANOVEA PB1000 Mechanik-Tester befestigt und unter identischen Bedingungen mit progressiver Belastung bewertet, um einen konsistenten und unvoreingenommenen Vergleich zu gewährleisten.</p><p data-start="688" data-end="1108">Die TPU-Schutzfolie ist eine flexible Polymerfolie mit hoher Elastizität, aber geringerer Abriebfestigkeit, während die Schutzfolie aus gehärtetem Glas ein starres, sprödes Material ist, das auf hohe Härte und verbesserten Aufprallschutz ausgelegt ist. Das Testen beider Materialien unter demselben Belastungsprofil ermöglicht eine klare Beurteilung, wie Materialzusammensetzung, Elastizität und Härte die Art der Kratzer beeinflussen.</p>								</div>
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									<p>TPU-Bildschirmschutzfolie</p>								</div>
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															<img loading="lazy" decoding="async" width="188" height="300" src="https://nanovea.com/wp-content/uploads/2025/11/nanovea-tpu-screen-protector-sample-scratch-test.jpg" class="attachment-medium size-medium wp-image-25234" alt="" />															</div>
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									<p>Gehärtetes Glas</p>								</div>
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															<img loading="lazy" decoding="async" width="188" height="300" src="https://nanovea.com/wp-content/uploads/2025/11/nanovea-tempered-glass-screen-protector-sample-scratch-test.jpg" class="attachment-medium size-medium wp-image-25233" alt="" />															</div>
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									<p style="text-align: center;"><span class="fontstyle0" style="color: #1b96cf;">ABBILDUNG 1:</span><span class="fontstyle0" style="color: #000000;"> Displayschutzfolien aus TPU und gehärtetem Glas, die für die Prüfung der Kratzfestigkeit vorbereitet sind.<br /></span></p>								</div>
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				<section class="elementor-section elementor-top-section elementor-element elementor-element-55f91f5 elementor-section-boxed elementor-section-height-default elementor-section-height-default" data-id="55f91f5" data-element_type="section">
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					<h2 class="elementor-heading-title elementor-size-default">Kratztest-Ergebnisse: Versagensmodi bei TPU- und gehärteten Glas-Bildschirmschutzfolien</h2>				</div>
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				<div class="elementor-element elementor-element-402f283 elementor-widget elementor-widget-text-editor" data-id="402f283" data-element_type="widget" data-widget_type="text-editor.default">
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									<table style="border-collapse: collapse; width: 75%; margin: 0 auto; border: none;"><tbody><tr style="background-color: #1b96cf; color: #ffffff; text-align: center; font-weight: bold;"><td style="padding: 8px;">ART DES BILDSCHIRMSCHUTZES</td><td style="padding: 8px;">KRITISCHE BELASTUNG #1 (N)</td><td style="padding: 8px;">KRITISCHE BELASTUNG #2 (N)</td></tr><tr><td style="padding: 6px 8px; font-weight: bold; text-align: center;">TPU</td><td style="padding: 6px 8px; text-align: center; font-weight: bold;">k.A.</td><td style="padding: 6px 8px; font-weight: bold; text-align: center;">2.004 ± 0.063</td></tr><tr><td style="padding: 6px 8px; font-weight: bold; text-align: center;">TEMPERIERTES GLAS</td><td style="padding: 6px 8px; text-align: center; font-weight: bold;">3.608 ± 0.281</td><td style="padding: 6px 8px; font-weight: bold; text-align: center;">7.44 ± 0.995</td></tr></tbody></table>								</div>
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				<div class="elementor-element elementor-element-a483c12 elementor-widget elementor-widget-text-editor" data-id="a483c12" data-element_type="widget" data-widget_type="text-editor.default">
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									<p style="text-align: center;"><span class="fontstyle0" style="color: #1b96cf;">TABELLE 2:</span><span class="fontstyle0" style="color: #000000;"> Zusammenfassung der kritischen Belastungen für jedes Muster einer Bildschirmschutzfolie.</span></p>								</div>
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				<div class="elementor-element elementor-element-1be118e elementor-widget elementor-widget-text-editor" data-id="1be118e" data-element_type="widget" data-widget_type="text-editor.default">
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									<p data-start="548" data-end="837">Da TPU- und Hartglas-Bildschirmschutzfolien grundlegend unterschiedliche mechanische Eigenschaften haben, wies jede Probe unterschiedliche Versagensmodi und kritische Belastungsschwellen während der Kratztests mit progressiver Belastung auf. In Tabelle 2 sind die gemessenen kritischen Lasten für jedes Material zusammengefasst.</p><p data-start="839" data-end="1181">Die kritische Last #1 stellt den ersten unter dem Lichtmikroskop beobachtbaren Punkt des kohäsiven Versagens dar, wie z. B. Rissbildung oder Radialbruch.</p><p data-start="839" data-end="1181">Die kritische Last #2 entspricht dem ersten größeren Ereignis, das durch die Überwachung der Schallemissionen (AE) festgestellt wurde und typischerweise ein größeres strukturelles Versagen oder ein Eindringungsereignis darstellt.</p><h3 data-start="1188" data-end="1246"><strong data-start="1192" data-end="1244">TPU-Bildschirmschutzfolie - Flexibles Polymer-Verhalten</strong></h3><p data-start="1247" data-end="1487">Die TPU-Bildschirmschutzfolie wies nur ein signifikantes kritisches Ereignis auf (Critical Load #2). Diese Belastung entspricht dem Punkt entlang der Kratzspur, an dem die Folie begann, sich von der Oberfläche des Telefondisplays abzuheben, abzulösen oder zu delaminieren.</p><p data-start="1489" data-end="1789">Sobald die kritische Last #2 (≈2,00 N) überschritten wurde, drang der Eindringkörper so weit ein, dass für den Rest des Tests ein sichtbarer Kratzer direkt auf dem Handy-Display entstand. Es wurde kein separates Ereignis der kritischen Last #1 festgestellt, was mit der hohen Elastizität und der geringen Kohäsionsfestigkeit des Materials zusammenhängt.</p><h3 data-start="1796" data-end="1864"><strong data-start="1800" data-end="1862">Bildschirmschutz aus gehärtetem Glas - Sprödes Versagensverhalten</strong></h3><p data-start="1865" data-end="1977">Der Bildschirmschutz aus gehärtetem Glas wies zwei unterschiedliche kritische Belastungen auf, die für spröde Materialien charakteristisch sind:</p><ul data-start="1979" data-end="2284"><li data-start="1979" data-end="2142"><p data-start="1981" data-end="2142">Kritische Last #1 (≈3,61 N): Unter dem Mikroskop wurden Radialbrüche und Rissbildung beobachtet, was auf ein frühes kohäsives Versagen der Glasschicht hinweist.</p></li><li data-start="2143" data-end="2284"><p data-start="2145" data-end="2284">Kritische Last #2 (≈7,44 N): Eine große AE-Spitze und eine starke Zunahme der Kratztiefe deuten auf das Eindringen des Protektors bei höheren Belastungen hin.</p></li></ul><p data-start="2286" data-end="2495">Obwohl der AE-Wert höher war als der von TPU, wurden keine Schäden auf den Handy-Bildschirm übertragen, was die Fähigkeit des Hartglasschutzes beweist, Belastungen zu absorbieren und zu verteilen, bevor es zu einem katastrophalen Versagen kommt.</p><p data-start="2497" data-end="2665">Bei beiden Materialien entsprach die kritische Last #2 dem Moment, in dem der Eindringkörper den Bildschirmschutz durchbrach, was die Schutzgrenze der jeweiligen Probe bestätigte.</p>								</div>
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				<section class="elementor-section elementor-top-section elementor-element elementor-element-b58c652 elementor-section-boxed elementor-section-height-default elementor-section-height-default" data-id="b58c652" data-element_type="section">
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					<h3 class="elementor-heading-title elementor-size-default">TPU-Bildschirmschutzfolie: Kratztestdaten und Fehleranalyse</h3>				</div>
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				<div class="elementor-element elementor-element-5f785bc elementor-widget elementor-widget-text-editor" data-id="5f785bc" data-element_type="widget" data-widget_type="text-editor.default">
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									<table style="border-collapse: collapse; width: 50%; margin: 0 auto; border: none;"><tbody><tr style="background-color: #1b96cf; color: #ffffff; text-align: center; font-weight: bold;"><td style="padding: 8px;">SCRATCH</td><td style="padding: 8px;">KRITISCHE BELASTUNG #2 (N)</td></tr><tr><td style="padding: 6px 8px; text-align: center; font-weight: bold;">1</td><td style="padding: 6px 8px; text-align: center; font-weight: bold;">2.033</td></tr><tr><td style="padding: 6px 8px; text-align: center; font-weight: bold;">2</td><td style="padding: 6px 8px; text-align: center; font-weight: bold;">2.047</td></tr><tr><td style="padding: 6px 8px; text-align: center; font-weight: bold;">3</td><td style="padding: 6px 8px; text-align: center; font-weight: bold;">1.931</td></tr><tr><td style="padding: 6px 8px; color: #1b96cf; font-weight: bold; text-align: center;">DURCHSCHNITT</td><td style="padding: 6px 8px; text-align: center; font-weight: bold;">2.003</td></tr><tr><td style="padding: 6px 8px; color: #1b96cf; font-weight: bold; text-align: center;">STANDARDABWEICHUNG</td><td style="padding: 6px 8px; text-align: center; font-weight: bold;">0.052</td></tr></tbody></table>								</div>
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									<p style="text-align: center;"><span class="fontstyle0" style="color: #1b96cf;">TABELLE 3:</span><span class="fontstyle0" style="color: #000000;"> Kritische Belastungen, gemessen bei Kratztests von TPU-Bildschirmschutzfolien.</span></p>								</div>
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															<img loading="lazy" decoding="async" width="1024" height="453" src="https://nanovea.com/wp-content/uploads/2025/11/tpu-screen-protector-scratch-test-friction-normal-force-acoustic-emission-depth.jpg" class="attachment-large size-large wp-image-25239" alt="Diagramm, das Reibung, Normalkraft, Schallemissionen und Tiefe im Vergleich zur Kratzerlänge für TPU-Bildschirmschutzfolien zeigt, die mit dem NANOVEA-Mechanik-Testgerät getestet wurden." />															</div>
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									<p style="text-align: center;"><span class="fontstyle0" style="color: #1b96cf;">ABBILDUNG 2:</span><span class="fontstyle0" style="color: #000000;"> Reibungskraft, normale Belastung, Schallemission (AE) und Kratztiefe im Vergleich zur Kratzerlänge für die TPU-Bildschirmschutzfolie. <span class="fontstyle0">(B) Kritische Last #2</span><br /></span></p>								</div>
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															<img loading="lazy" decoding="async" width="1024" height="768" src="https://nanovea.com/wp-content/uploads/2025/11/tpu-screen-protector-microscopy-critical-load-2-scratch-test.jpg" class="attachment-large size-large wp-image-25240" alt="" />															</div>
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									<p style="text-align: center;"><span class="fontstyle0" style="color: #1b96cf;">ABBILDUNG 3:</span><span class="fontstyle0" style="color: #000000;"> Lichtmikroskopische Aufnahme des TPU-Bildschirmschutzes bei Critical Load #2 (5fache Vergrößerung; Bildbreite 0,8934 mm).<br /></span></p>								</div>
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															<img loading="lazy" decoding="async" width="1024" height="256" src="https://nanovea.com/wp-content/uploads/2025/11/tpu-screen-protector-post-scratch-test-full-length-image.jpg" class="attachment-large size-large wp-image-25241" alt="" />															</div>
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									<p style="text-align: center;"><span class="fontstyle0" style="color: #1b96cf;">ABBILDUNG 4:</span><span class="fontstyle0" style="color: #000000;"> Bild der TPU-Bildschirmschutzfolie in voller Länge nach dem Kratzer, das die gesamte Kratzspur nach dem Test mit progressiver Belastung zeigt.</span><span class="fontstyle0" style="color: #000000;"><br /></span></p>								</div>
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				<section class="elementor-section elementor-top-section elementor-element elementor-element-b076c23 elementor-section-boxed elementor-section-height-default elementor-section-height-default" data-id="b076c23" data-element_type="section">
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					<h3 class="elementor-heading-title elementor-size-default">Bildschirmschutz aus gehärtetem Glas: Kritische Belastungsdaten und Bruchverhalten</h3>				</div>
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									<table style="border-collapse: collapse; width: 80%; margin: 0 auto; border: none;">
<tbody>
<tr style="background-color: #1b96cf; color: #ffffff; text-align: center; font-weight: bold;">
<td style="padding: 8px;">SCRATCH</td>
<td style="padding: 8px;">KRITISCHE BELASTUNG #1 (N)</td>
<td style="padding: 8px;">KRITISCHE BELASTUNG #2 (N)</td>
</tr>
<tr>
<td style="padding: 6px 8px; text-align: center; font-weight: bold;">1</td>
<td style="padding: 6px 8px; text-align: center; font-weight: bold;">3.923</td>
<td style="padding: 6px 8px; text-align: center; font-weight: bold;">7.366</td>
</tr>
<tr>
<td style="padding: 6px 8px; text-align: center; font-weight: bold;">2</td>
<td style="padding: 6px 8px; text-align: center; font-weight: bold;">3.382</td>
<td style="padding: 6px 8px; text-align: center; font-weight: bold;">6.483</td>
</tr>
<tr>
<td style="padding: 6px 8px; text-align: center; font-weight: bold;">3</td>
<td style="padding: 6px 8px; text-align: center; font-weight: bold;">3.519</td>
<td style="padding: 6px 8px; text-align: center; font-weight: bold;">8.468</td>
</tr>
<tr>
<td style="padding: 6px 8px; color: #1b96cf; font-weight: bold; text-align: center;">DURCHSCHNITT</td>
<td style="padding: 6px 8px; text-align: center; font-weight: bold;">3.653</td>
<td style="padding: 6px 8px; text-align: center; font-weight: bold;">6.925</td>
</tr>
<tr>
<td style="padding: 6px 8px; color: #1b96cf; font-weight: bold; text-align: center;">STANDARDABWEICHUNG</td>
<td style="padding: 6px 8px; text-align: center; font-weight: bold;">0.383</td>
<td style="padding: 6px 8px; text-align: center; font-weight: bold;">0.624</td>
</tr>
</tbody>
</table>								</div>
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									<p style="text-align: center;"><span class="fontstyle0" style="color: #1b96cf;">TABELLE 4:</span><span class="fontstyle0" style="color: #000000;"> Kritische Belastungen, gemessen bei Kratztests mit gehärtetem Glas für Bildschirmschutz.</span></p>								</div>
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									<p>ℹ️<em data-start="1410" data-end="1468"> Zum Vergleich mit nicht-silikatischen Polymerbeschichtungen siehe unsere Studie über <a href="https://nanovea.com/ptfe-coating-wear-test/">PTFE-Beschichtung Verschleißprüfung</a>, die das Versagensverhalten von Polymerfolien mit geringer Reibung unter ähnlichen progressiven Belastungsbedingungen aufzeigt.</em></p>								</div>
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															<img loading="lazy" decoding="async" width="1024" height="453" src="https://nanovea.com/wp-content/uploads/2025/11/tempered-glass-screen-protector-scratch-test-friction-normal-force-acoustic-emission-depth.jpg" class="attachment-large size-large wp-image-25242" alt="" />															</div>
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									<p style="text-align: center;"><span class="fontstyle0" style="color: #1b96cf;">ABBILDUNG 5:</span><span class="fontstyle0" style="color: #000000;"> Reibungskraft, normale Belastung, akustische Emission (AE) und Kratztiefe im Vergleich zur Kratzerlänge für den Bildschirmschutz aus gehärtetem Glas. <span class="fontstyle0">(A) Kritische Last #1 (B) Kritische Last #2</span><br /></span></p>								</div>
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															<img loading="lazy" decoding="async" width="1024" height="380" src="https://nanovea.com/wp-content/uploads/2025/11/tempered-glass-screen-protector-microscopy-critical-load-1-and-2.jpg" class="attachment-large size-large wp-image-25243" alt="Optische Mikroskopiebilder, die die Fehlerstellen der kritischen Belastung #1 und der kritischen Belastung #2 auf dem gehärteten Glasbildschirmschutz während des Kratztests bei 5-facher Vergrößerung mit dem NANOVEA-Mechanik-Testgerät zeigen." />															</div>
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									<p style="text-align: center;"><span class="fontstyle0" style="color: #1b96cf;">ABBILDUNG 6:</span><span class="fontstyle0" style="color: #000000;"> Lichtmikroskopische Aufnahmen der Bruchstellen von Critical Load #1 (links) und Critical Load #2 (rechts) bei 5facher Vergrößerung (Bildbreite: 0,8934 mm).<br /></span></p>								</div>
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															<img loading="lazy" decoding="async" width="1024" height="252" src="https://nanovea.com/wp-content/uploads/2025/11/tempered-glass-screen-protector-post-scratch-test-microscopy-critical-load-1-and-2.jpg" class="attachment-large size-large wp-image-25244" alt="" />															</div>
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									<p style="text-align: center;"><span class="fontstyle0" style="color: #1b96cf;">ABBILDUNG 7:</span><span class="fontstyle0" style="color: #000000;"> Lichtmikroskopische Aufnahme der Kratzspur aus gehärtetem Glas nach dem Test, die den Beginn des Bruchs (CL#1) und die endgültige Eindringzone (CL#2) nach dem progressiven Belastungstest zeigt.<br /></span></p>								</div>
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					<h2 class="elementor-heading-title elementor-size-default">Schlussfolgerung: Vergleich der Kratzfestigkeit von TPU- und gehärteten Glas-Bildschirmschutzfolien</h2>				</div>
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									<p data-start="414" data-end="843">Diese Studie zeigt, wie der NANOVEA PB1000 Mechanik-Tester kontrollierte, wiederholbare und hochempfindliche Messungen der Kratzfestigkeit unter progressiver Belastung und akustischer Emission (AE) ermöglicht. Durch die präzise Erfassung sowohl kohäsiver als auch adhäsiver Versagensereignisse ermöglicht das System einen klaren Vergleich des Verhaltens von TPU- und Hartglas-Bildschirmschutzfolien bei zunehmender mechanischer Belastung.</p><p data-start="845" data-end="1188">Die Versuchsergebnisse bestätigen, dass gehärtetes Glas eine deutlich höhere kritische Belastung als TPU aufweist und eine bessere Kratzfestigkeit, eine verzögerte Bruchauslösung und einen zuverlässigen Schutz gegen das Eindringen von Eindringlingen bietet. Die geringere Kohäsionsfestigkeit von TPU und die frühere Delaminierung verdeutlichen seine Grenzen in hochbelasteten Umgebungen.</p><p data-start="845" data-end="1188">Nach der Ermittlung der Bruchlasten können die resultierenden Kratzspuren auch mit einem <a href="https://nanovea.com/profilometers/">berührungsloses optisches 3D-Profilometer</a> zur Messung der Rillentiefe, der Restverformung und der Topografie nach dem Kratzer. Dies trägt zur Vervollständigung des mechanischen Profils eines jeden Materials bei.</p><p data-start="1190" data-end="1564">Das NANOVEA-Mechanikprüfgerät wurde für genaue und wiederholbare Eindring-, Kratz- und Verschleißprüfungen entwickelt und unterstützt ISO- und ASTM-konforme Nano- und Mikromodule. Seine Vielseitigkeit macht ihn zur idealen Lösung für die Bewertung des gesamten mechanischen Profils von dünnen Filmen, Beschichtungen, Polymeren, Gläsern und Substraten in F&amp;E, Produktion und Qualitätskontrolle.</p>								</div>
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					<h2 class="elementor-heading-title elementor-size-default">Häufig gestellte Fragen <br> Über Kratzfestigkeitstests</h2>				</div>
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									<p data-start="168" data-end="494">Bei der Kratzfestigkeitsprüfung wird bewertet, wie ein Material oder eine Beschichtung reagiert, wenn ein Diamantstift eine progressiv ansteigende Last aufbringt. Der Test identifiziert die kritischen Belastungen, bei denen kohäsive oder adhäsive Fehler auftreten, und liefert ein quantifizierbares Maß für die Haltbarkeit, die Haftfestigkeit und die Widerstandsfähigkeit gegen Oberflächenschäden.</p>								</div>
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					<h3 class="elementor-heading-title elementor-size-default">Was ist der Unterschied zwischen kohäsivem und adhäsivem Versagen?</h3>				</div>
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									<p data-start="168" data-end="494">Kohäsives Versagen tritt auf <em data-start="840" data-end="848">innerhalb</em> der Beschichtung oder des Materials, wie z. B. Risse, Risse oder innere Brüche.<br data-start="921" data-end="924" />Der Klebstoff versagt, wenn sich die Beschichtung vom Untergrund löst, was auf eine unzureichende Haftfestigkeit hinweist.</p><p data-start="168" data-end="494">Der NANOVEA PB1000 erkennt beides durch synchronisierte Schallemissionsüberwachung, Kratzertiefenverfolgung und Reibungsanalyse.</p>								</div>
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					<h3 class="elementor-heading-title elementor-size-default">Warum ein mechanisches Prüfgerät anstelle von manuellen Methoden?</h3>				</div>
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									<p data-start="168" data-end="494">Ein mechanisches Prüfgerät wie das NANOVEA PB1000 liefert präzise, wiederholbare und standardisierte Messungen und gewährleistet so zuverlässige Daten für Forschung und Entwicklung, Produktionsvalidierung und Qualitätskontrolle. Außerdem bietet es fortschrittliche Funktionen wie die Erkennung akustischer Emissionen und die Tiefenüberwachung in Echtzeit, die manuelle Methoden nicht bieten können.</p>								</div>
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					<h2 class="elementor-heading-title elementor-size-default">Benötigen Sie eine zuverlässige Kratzprüfung für Ihre Materialien?</h2>				</div>
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									<span class="elementor-button-text">BESPRECHEN SIE IHRE TESTS MIT EINEM INGENIEUR</span>
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				</div><p>The post <a href="https://nanovea.com/de/prufung-der-kratzfestigkeit-von-handy-displayschutzfolien/">Scratch Resistance Testing of Phone Screen Protectors</a> appeared first on <a href="https://nanovea.com/de">NANOVEA: Advanced Profilometers, Tribometers, Nanoindenters, and Scratch Testers for Materials Testing</a>.</p>
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		<title>Gesteinsabriebprüfung mit NANOVEA Tribometer</title>
		<link>https://nanovea.com/de/prufung-der-abrasivitat-von-gestein/?utm_source=rss&#038;utm_medium=rss&#038;utm_campaign=rock-abrasivity-testing</link>
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		<dc:creator><![CDATA[nanovea]]></dc:creator>
		<pubdate>Mittwoch, 13. September 2023, 17:07:17 Uhr +0000</pubdate>
				<category><![CDATA[Application Notes]]></category>
		<category><![CDATA[Laboratory Testing]]></category>
		<category><![CDATA[Rotational Tribology]]></category>
		<category><![CDATA[Tribology Testing]]></category>
		<guid ispermalink="false">https://nanovea.com/?p=23217</guid>

					<description><![CDATA[<p>ROCK TRIBOLOGY:ROCK ABRASIVITY TESTING USING NANOVEA TRIBOMETER Prepared by DUANJIE LI, PhD INTRODUCTION Rocks are composed of grains of minerals. The type and abundance of these minerals, as well as the chemical bonding strength between the mineral grains, determine the mechanical and tribological properties of the rocks. Depending on the geological rock cycles, rocks can [&#8230;]</p>
<p>The post <a href="https://nanovea.com/de/prufung-der-abrasivitat-von-gestein/">Rock Abrasivity Testing with NANOVEA Tribometer</a> appeared first on <a href="https://nanovea.com/de">NANOVEA: Advanced Profilometers, Tribometers, Nanoindenters, and Scratch Testers for Materials Testing</a>.</p>
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									<h1 style="text-align: center; font-style: italic; font-weight: bold;"><span style="font-size: 80px; color: #1b96cf; display: block;">ROCK-TRIBOLOGIE:</span><span style="font-size: 32px; color: #000;">ROCK-ABRASIVITÄTSPRÜFUNG MIT DEM NANOVEA-TRIBOMETER</span></h1>								</div>
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															<img decoding="async" src="https://nanovea.com/wp-content/uploads/2023/09/rock-tribology-NANOVEA.jpg" title="" alt="ROCK TRIBOLOGY: Prüfung der Abrasivität von Gestein mit dem NANOVEA-Tribometer" loading="lazy" />															</div>
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					<h2 class="elementor-heading-title elementor-size-default">Vorbereitet von</h2>				</div>
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					<h2 class="elementor-heading-title elementor-size-default">DUANJIE LI, PhD</h2>				</div>
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					<h2 class="elementor-heading-title elementor-size-default">EINFÜHRUNG</h2>				</div>
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									Gesteine bestehen aus Mineralkörnern. Die Art und Häufigkeit dieser Mineralien sowie die chemische Bindungsstärke zwischen den Mineralkörnern bestimmen die mechanischen und tribologischen Eigenschaften der Gesteine. Abhängig von den geologischen Gesteinszyklen können Gesteine Transformationen durchlaufen und werden typischerweise in drei Haupttypen eingeteilt: magmatisch, sedimentär und metamorph. Diese Gesteine weisen unterschiedliche mineralische und chemische Zusammensetzungen, Permeabilitäten und Partikelgrößen auf, und diese Eigenschaften tragen zu ihrer unterschiedlichen Verschleißfestigkeit bei. Die Gesteinstribologie untersucht das Verschleiß- und Reibungsverhalten von Gesteinen unter verschiedenen geologischen und Umweltbedingungen.								</div>
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					<h3 class="elementor-heading-title elementor-size-default">BEDEUTUNG DER PRÜFUNG VON STEINABRASIVMITTELN</h3>				</div>
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									<p>Während des Bohrvorgangs von Bohrlöchern treten verschiedene Arten der Abnutzung des Gesteins, einschließlich Abrieb und Reibung, auf, was zu erheblichen direkten Verlusten und Folgeverlusten führt, die auf die Reparatur und den Austausch von Bohrern und Schneidwerkzeugen zurückzuführen sind. Daher ist die Untersuchung der Bohrbarkeit, Bohrbarkeit, Schneidbarkeit und Abrasivität von Gesteinen in der Öl-, Gas- und Bergbauindustrie von entscheidender Bedeutung. Die Gesteinstribologieforschung spielt eine entscheidende Rolle bei der Auswahl der effizientesten und kostengünstigsten Bohrstrategien, steigert dadurch die Gesamteffizienz und trägt zur Einsparung von Materialien, Energie und Umwelt bei. Darüber hinaus ist die Minimierung der Oberflächenreibung äußerst vorteilhaft, da sie die Wechselwirkung zwischen Bohrmeißel und Gestein verringert, was zu einem geringeren Werkzeugverschleiß und einer verbesserten Bohr-/Schneideffizienz führt.</p>								</div>
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					<h2 class="elementor-heading-title elementor-size-default">MESSZIEL</h2>				</div>
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									<p>In dieser Studie haben wir die tribologischen Eigenschaften zweier Gesteinsarten simuliert und verglichen, um die Leistungsfähigkeit des <a href="https://nanovea.com/instruments/t50/">NANOVEA T50 Tribometer</a> bei der kontrollierten und überwachten Messung des Reibungskoeffizienten und der Verschleißrate von Gesteinen.</p>								</div>
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				<section class="elementor-section elementor-inner-section elementor-element elementor-element-cebd155 elementor-reverse-mobile elementor-section-full_width elementor-reverse-tablet elementor-section-height-default elementor-section-height-default" data-id="cebd155" data-element_type="section">
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									<p style="text-align: center; font-size: 20pt; color: black;">NANOVEA <span style="font-size: 20pt; color: #1b96cf;">T50 Kompakt</span><br>Tribometer mit freiem Gewicht</p>								</div>
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									<span class="elementor-button-text">BROSCHÜRE HERUNTERLADEN</span>
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									<span class="elementor-button-text">ANGEBOT EINHOLEN</span>
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																<a href="https://nanovea.com/instruments/t50/">
							<img loading="lazy" decoding="async" width="434" height="432" src="https://nanovea.com/wp-content/uploads/2023/06/NANOVEA-T50-Tribometer-for-Wear-Test.jpg" class="elementor-animation-grow attachment-medium_large size-medium_large wp-image-22861" alt="NANOVEA TRIBOMETER: Prüfung der Abrasivität von Kalkstein und Marmor" />								</a>
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					<h2 class="elementor-heading-title elementor-size-default">DIE MUSTER</h2>				</div>
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															<img decoding="async" src="https://nanovea.com/wp-content/uploads/2023/09/marble-and-limestone-wear-and-friction.jpg" title="" alt="Verschleiß- und Reibungsprüfung von Marmor und Kalkstein – Gesteinstribologie" loading="lazy" />															</div>
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					<h2 class="elementor-heading-title elementor-size-default">TESTVORGANG</h2>				</div>
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									<p>Der Reibungskoeffizient, COF und die Verschleißfestigkeit von zwei Gesteinsproben wurden mit dem NANOVEA T50 Tribometer unter Verwendung des Pin-on-Disc-Verschleißmoduls bewertet. Als Gegenmaterial wurde eine Al2O3-Kugel (6 mm Durchmesser) verwendet. Nach den Tests wurde die Verschleißspur mit dem NANOVEA Non-Contact Profilometer untersucht. Nachfolgend sind die Testparameter zusammengefasst.</p><p>Die Verschleißrate K wurde mithilfe der Formel K=V/(F×s)=A/(F×n) bewertet, wobei V das verschlissene Volumen, F die normale Belastung, s die Gleitstrecke und A ist die Querschnittsfläche der Verschleißspur und n ist die Anzahl der Umdrehungen. Oberflächenrauheit und Verschleißspurprofile wurden mit dem NANOVEA Optical Profilometer bewertet und die Verschleißspurmorphologie wurde mit einem optischen Mikroskop untersucht.</p><p>Bitte beachten Sie, dass in dieser Studie als Beispiel die Al2O3-Kugel als Gegenmaterial verwendet wurde. Jedes feste Material mit unterschiedlichen Formen kann mit einer maßgeschneiderten Vorrichtung aufgetragen werden, um die tatsächliche Anwendungssituation zu simulieren.</p>								</div>
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					<h2 class="elementor-heading-title elementor-size-default">PRÜFPARAMETER</h2>				</div>
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<td style="width: 50%; text-align: left;"><em><strong style="color: #1b96cf;">PROBEN</strong></em></td>
<td style="width: 52.497%; text-align: right;"><em><strong>Kalkstein, Marmor</strong></em></td>
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<td style="width: 50%; text-align: left;"><em><strong style="color: #1b96cf;">VERSCHLEISSRINGRADIUS </strong></em></td>
<td style="width: 52.497%; text-align: right;"><em><strong>5 mm</strong></em></td>
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<td style="width: 50%; text-align: left;"><em><strong style="color: #1b96cf;">NORMALE KRAFT</strong></em></td>
<td style="width: 52.497%; text-align: right;"><em><strong>10 N</strong></em></td>
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<td style="width: 50%; text-align: left;"><em><strong style="color: #1b96cf;">TESTDAUER</strong></em></td>
<td style="width: 52.497%; text-align: right;"><em><strong>10 Minuten</strong></em></td>
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<td style="width: 50%; text-align: left;"><em><strong style="color: #1b96cf;">SPEED</strong></em></td>
<td style="width: 52.497%; text-align: right;"><em><strong>100 U/min</strong></em></td>
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					<h2 class="elementor-heading-title elementor-size-default">ERGEBNISSE &amp; DISKUSSION</h2>				</div>
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									<p>Die Härte (H) und der Elastizitätsmodul (E) der Kalkstein- und Marmorproben werden in ABBILDUNG 1 unter Verwendung des Micro Indentation-Moduls des NANOVEA Mechanical Tester verglichen. Die Kalksteinprobe wies mit 0,53 bzw. 25,9 GPa niedrigere H- und E-Werte auf, im Gegensatz zu Marmor, der Werte von 1,07 für H und 49,6 GPa für E aufwies. Die relativ höhere Variabilität der H- und E-Werte, die in beobachtet wurde Die Kalksteinprobe ist auf ihre größere Oberflächeninhomogenität zurückzuführen, die auf ihre körnigen und porösen Eigenschaften zurückzuführen ist.</p><p>Die Entwicklung des COF während der Verschleißtests der beiden Gesteinsproben ist in ABBILDUNG 2 dargestellt. Der Kalkstein erfährt zu Beginn des Verschleißtests zunächst einen schnellen Anstieg des COF auf etwa 0,8 und behält diesen Wert während der gesamten Testdauer bei. Diese abrupte COF-Änderung kann auf das Eindringen der Al2O3-Kugel in die Gesteinsprobe zurückgeführt werden, was auf einen schnellen Verschleiß- und Aufrauungsprozess an der Kontaktfläche innerhalb der Verschleißspur zurückzuführen ist. Im Gegensatz dazu zeigt die Marmorprobe nach etwa 5 Metern Gleitstrecke einen deutlichen Anstieg des COF auf höhere Werte, was auf ihre überlegene Verschleißfestigkeit im Vergleich zum Kalkstein hinweist.</p>								</div>
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															<img decoding="async" src="https://nanovea.com/wp-content/uploads/2023/09/rock-hardness-test-NANOVEA.jpg" title="" alt="Gesteinshärteprüfung" loading="lazy" />															</div>
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									<p style="text-align: center;"><span class="fontstyle0" style="color: #1b96cf;">ABBILDUNG 1:</span><span class="fontstyle0" style="color: #000000;"> Vergleich der Härte und des Elastizitätsmoduls zwischen Kalkstein- und Marmorproben.</span></p>								</div>
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															<img decoding="async" src="https://nanovea.com/wp-content/uploads/2023/09/Coefficient-of-Friction-Marble-and-Limestone.jpg" title="" alt="Entwicklung des Reibungskoeffizienten (COF) in Kalkstein- und Marmorproben während Verschleißtests" loading="lazy" />															</div>
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									<p style="text-align: center;"><span class="fontstyle0" style="color: #1b96cf;">ABBILDUNG 2:</span><span class="fontstyle0" style="color: #000000;"> Entwicklung des Reibungskoeffizienten (COF) in Kalkstein- und Marmorproben während Verschleißtests.</span></p>								</div>
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									ABBILDUNG 3 vergleicht die Querschnittsprofile der Kalkstein- und Marmorproben nach den Verschleißtests und Tabelle 1 fasst die Ergebnisse der Verschleißspuranalyse zusammen. ABBILDUNG 4 zeigt die Verschleißspuren der Proben unter dem Lichtmikroskop. Die Bewertung der Verschleißspur stimmt mit der Beobachtung der COF-Entwicklung überein: Die Marmorprobe, die über einen längeren Zeitraum einen niedrigen COF beibehält, weist eine geringere Verschleißrate von 0,0046 mm³/N m auf, verglichen mit 0,0353 mm³/N m beim Kalkstein. Die überlegenen mechanischen Eigenschaften von Marmor tragen zu einer besseren Verschleißfestigkeit als Kalkstein bei.								</div>
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															<img decoding="async" src="https://nanovea.com/wp-content/uploads/2023/09/rock-wear-tester.jpg" title="" alt="ROCK-ABRASIVITÄTSPRÜFUNG MIT DEM NANOVEA-TRIBOMETER" loading="lazy" />															</div>
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									<p style="text-align: center;"><span class="fontstyle0" style="color: #1b96cf;">ABBILDUNG 3:</span><span class="fontstyle0" style="color: #000000;"> Querschnittsprofile der Verschleißspuren.</span></p>								</div>
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															<img loading="lazy" decoding="async" width="1077" height="200" src="https://nanovea.com/wp-content/uploads/2023/09/rock-tribology-testing-using-NANOVEA-Tribometer.jpg" class="attachment-full size-full wp-image-24670" alt="" />															</div>
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									<p style="text-align: center;"><span class="fontstyle0" style="color: #1b96cf;">TABELLE 1:</span><span class="fontstyle0" style="color: #000000;"> Ergebniszusammenfassung der Verschleißspuranalyse.</span></p>								</div>
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															<img loading="lazy" decoding="async" width="876" height="419" src="https://nanovea.com/wp-content/uploads/2023/09/limestone-and-marble-tribometer-testing.jpg" class="attachment-large size-large wp-image-24671" alt="" />															</div>
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									<p style="text-align: center;"><span class="fontstyle0" style="color: #1b96cf;">ABBILDUNG 4:</span><span class="fontstyle0" style="color: #000000;"> Abnutzungsspuren unter dem Lichtmikroskop.</span></p>								</div>
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					<h2 class="elementor-heading-title elementor-size-default">SCHLUSSFOLGERUNG</h2>				</div>
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									<p>In dieser Studie haben wir die Fähigkeit des NANOVEA Tribometers demonstriert, den Reibungskoeffizienten und die Verschleißfestigkeit von zwei Gesteinsproben, nämlich Marmor und Kalkstein, auf kontrollierte und überwachte Weise zu bewerten. Die hervorragenden mechanischen Eigenschaften von Marmor tragen zu seiner außergewöhnlichen Verschleißfestigkeit bei. Diese Eigenschaft macht das Bohren oder Schneiden in der Öl- und Gasindustrie zu einer Herausforderung. Umgekehrt verlängert es seine Lebensdauer deutlich, wenn es als hochwertiger Baustoff, beispielsweise als Bodenfliese, verwendet wird.</p><p>NANOVEA-Tribometer bieten präzise und wiederholbare Verschleiß- und Reibungstestfunktionen und entsprechen den ISO- und ASTM-Standards sowohl im Rotations- als auch im Linearmodus. Darüber hinaus bietet es optionale Module für Hochtemperaturverschleiß, Schmierung und Tribokorrosion, die alle nahtlos in ein System integriert sind. Das unübertroffene Sortiment von NANOVEA ist eine ideale Lösung zur Bestimmung des gesamten Spektrums tribologischer Eigenschaften dünner oder dicker, weicher oder harter Beschichtungen, Filme, Substrate und Gesteinstribologie.</p>								</div>
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		</section>
				</div><p>The post <a href="https://nanovea.com/de/prufung-der-abrasivitat-von-gestein/">Rock Abrasivity Testing with NANOVEA Tribometer</a> appeared first on <a href="https://nanovea.com/de">NANOVEA: Advanced Profilometers, Tribometers, Nanoindenters, and Scratch Testers for Materials Testing</a>.</p>
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		<title>Analyse kugelgestrahlter Oberflächen</title>
		<link>https://nanovea.com/de/kugelgestrahlte-oberflachenanalyse-2/?utm_source=rss&#038;utm_medium=rss&#038;utm_campaign=shot-peened-surface-analysis</link>
					<comments>https://nanovea.com/de/kugelgestrahlte-oberflachenanalyse-2/#respond</comments>
		
		<dc:creator><![CDATA[nanovea]]></dc:creator>
		<pubdate>Mi., 16. August 2023 14:19:21 +0000</pubdate>
				<category><![CDATA[Application Notes]]></category>
		<category><![CDATA[Laboratory Testing]]></category>
		<category><![CDATA[Profilometry | Roughness and Finish]]></category>
		<category><![CDATA[Profilometry | Texture and Grain]]></category>
		<category><![CDATA[Profilometry Testing]]></category>
		<guid ispermalink="false">https://nanovea.com/?p=23106</guid>

					<description><![CDATA[<p>SHOT PEENED SURFACE ANALYSIS USING 3D NON-CONTACT PROFILOMETER Prepared by CRAIG LEISING INTRODUCTION Shot peening is a process in which a substrate is bombarded with spherical metal, glass, or ceramic beads—commonly referred to as &#8220;shot&#8221;—at a force intended to induce plasticity on the surface. Analyzing the characteristics before and after peening provides crucial insights for [&#8230;]</p>
<p>The post <a href="https://nanovea.com/de/kugelgestrahlte-oberflachenanalyse-2/">Shot Peened Surface Analysis</a> appeared first on <a href="https://nanovea.com/de">NANOVEA: Advanced Profilometers, Tribometers, Nanoindenters, and Scratch Testers for Materials Testing</a>.</p>
]]></description>
										<content:encoded><![CDATA[<div data-elementor-type="wp-post" data-elementor-id="23106" class="elementor elementor-23106" data-elementor-post-type="post">
						<section class="elementor-section elementor-top-section elementor-element elementor-element-5265bd8 elementor-section-boxed elementor-section-height-default elementor-section-height-default" data-id="5265bd8" data-element_type="section">
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					<h1 class="elementor-heading-title elementor-size-default">ANALYSE DER KUGELGESTRAHLTEN OBERFLÄCHE</h1>				</div>
				</div>
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					<h2 class="elementor-heading-title elementor-size-default">VERWENDUNG DES BERÜHRUNGSLOSEN 3D-PROFILOMETERS</h2>				</div>
				</div>
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															<img loading="lazy" decoding="async" width="768" height="225" src="https://nanovea.com/wp-content/uploads/2023/08/Shot-Peening-Surface-Measurement.jpg" class="attachment-medium_large size-medium_large wp-image-23115" alt="" />															</div>
				</div>
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					<p class="elementor-heading-title elementor-size-default">Vorbereitet von</p>				</div>
				</div>
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					<p class="elementor-heading-title elementor-size-default">CRAIG LEISING</p>				</div>
				</div>
					</div>
		</div>
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		</section>
				<section class="elementor-section elementor-top-section elementor-element elementor-element-a4074c1 elementor-section-content-middle elementor-reverse-mobile elementor-reverse-tablet elementor-section-boxed elementor-section-height-default elementor-section-height-default" data-id="a4074c1" data-element_type="section" data-settings="{&quot;background_background&quot;:&quot;classic&quot;}">
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					<h2 class="elementor-heading-title elementor-size-default">EINFÜHRUNG</h2>				</div>
				</div>
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									<p>Beim Kugelstrahlen handelt es sich um einen Prozess, bei dem ein Substrat mit kugelförmigen Metall-, Glas- oder Keramikperlen – allgemein als „Schuss“ bezeichnet – mit einer Kraft bombardiert wird, die darauf abzielt, der Oberfläche Plastizität zu verleihen. Die Analyse der Eigenschaften vor und nach dem Strahlen liefert entscheidende Erkenntnisse zur Verbesserung des Prozessverständnisses und der Prozesskontrolle. Besonders hervorzuheben sind die Oberflächenrauheit und die Abdeckungsfläche der durch den Schuss hinterlassenen Grübchen.</p>								</div>
				</div>
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				<div class="elementor-widget-container">
					<h3 class="elementor-heading-title elementor-size-default">Bedeutung des berührungslosen 3D-Profilometers für die Analyse kugelgestrahlter Oberflächen</h3>				</div>
				</div>
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				<div class="elementor-widget-container">
									<p>Im Gegensatz zu herkömmlichen Kontaktprofilometern, die traditionell für die Analyse von kugelgestrahlten Oberflächen verwendet werden, liefert die berührungslose 3D-Messung ein vollständiges 3D-Bild, um ein umfassenderes Verständnis des Erfassungsbereichs und der Oberflächentopographie zu ermöglichen. Ohne 3D-Funktionen stützt sich eine Inspektion ausschließlich auf 2D-Informationen, die zur Charakterisierung einer Oberfläche nicht ausreichen. Das Verständnis der Topographie, des Abdeckungsbereichs und der Rauheit in 3D ist der beste Ansatz zur Steuerung oder Verbesserung des Strahlprozesses. NANOVEAs <a href="https://nanovea.com/profilometers/">Berührungslose 3D-Profilometer</a> Nutzen Sie die Chromatic Light-Technologie mit der einzigartigen Fähigkeit, steile Winkel auf bearbeiteten und gestrahlten Oberflächen zu messen. Wenn andere Techniken aufgrund von Sondenkontakt, Oberflächenschwankungen, Winkel oder Reflexionsvermögen keine zuverlässigen Daten liefern, sind NANOVEA-Profilometer außerdem erfolgreich.</p>								</div>
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		</section>
				<section class="elementor-section elementor-top-section elementor-element elementor-element-1076c06 elementor-reverse-mobile elementor-section-boxed elementor-section-height-default elementor-section-height-default" data-id="1076c06" data-element_type="section">
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					<h2 class="elementor-heading-title elementor-size-default">MESSZIEL</h2>				</div>
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									<p>In dieser Anwendung wird das berührungslose Profilometer NANOVEA ST400 zur Messung von Rohmaterial und zwei unterschiedlich gestrahlten Oberflächen für eine vergleichende Überprüfung verwendet. Es gibt eine endlose Liste von Oberflächenparametern, die nach dem 3D-Oberflächenscan automatisch berechnet werden können. Hier überprüfen wir die 3D-Oberfläche und wählen Bereiche von Interesse für die weitere Analyse aus, einschließlich der Quantifizierung und Untersuchung der Rauheit, Grübchen und Oberfläche.</p>								</div>
				</div>
				<section class="elementor-section elementor-inner-section elementor-element elementor-element-7bb8a0a elementor-reverse-mobile elementor-section-full_width elementor-reverse-tablet elementor-section-height-default elementor-section-height-default" data-id="7bb8a0a" data-element_type="section">
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									<p style="text-align: center; font-size: 20pt; color: black;">NANOVEA <span style="font-size: 20pt; color: #1b96cf;">ST400 Standard</span><br />Optisches 3D-Profilometer</p>								</div>
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					<a class="elementor-button elementor-button-link elementor-size-sm" href="https://nanovea.com/st400-profilometer-brochure-form/" id="homepage-button-brochure">
						<span class="elementor-button-content-wrapper">
									<span class="elementor-button-text">BROSCHÜRE HERUNTERLADEN</span>
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					</a>
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				<div class="elementor-element elementor-element-2ca0346 elementor-align-center homepage-button-quote elementor-widget elementor-widget-button" data-id="2ca0346" data-element_type="widget" data-widget_type="button.default">
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					<a class="elementor-button elementor-button-link elementor-size-sm" href="https://nanovea.com/contact-sales-form/" id="homepage-button-quote">
						<span class="elementor-button-content-wrapper">
									<span class="elementor-button-text">ANGEBOT EINHOLEN</span>
					</span>
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																<a href="https://nanovea.com/instruments/st500">
							<img loading="lazy" decoding="async" width="768" height="512" src="https://nanovea.com/wp-content/uploads/2020/12/Nanovea-Optical-Profilometry-ST500.png" class="elementor-animation-grow attachment-medium_large size-medium_large wp-image-9557" alt="NANOVEA ST500 3D-Profilometer" />								</a>
															</div>
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		</section>
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					<h2 class="elementor-heading-title elementor-size-default">DIE PROBE</h2>				</div>
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															<img loading="lazy" decoding="async" width="601" height="354" src="https://nanovea.com/wp-content/uploads/2023/08/Shot-Peened-Surfaces-ISO-25178.jpg" class="attachment-large size-large wp-image-23113" alt="Prüfung der kugelgestrahlten Oberfläche" />															</div>
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				<section class="elementor-section elementor-top-section elementor-element elementor-element-5d8cb0e elementor-section-boxed elementor-section-height-default elementor-section-height-default" data-id="5d8cb0e" data-element_type="section">
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					<h2 class="elementor-heading-title elementor-size-default">ERGEBNISSE</h2>				</div>
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					<h3 class="elementor-heading-title elementor-size-default">STAHLOBERFLÄCHE</h3>				</div>
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															<img loading="lazy" decoding="async" width="459" height="381" src="https://nanovea.com/wp-content/uploads/2023/08/Steel-Surface-ISO-25178-Roughness.jpg" class="attachment-large size-large wp-image-23116" alt="Kugelgestrahlte Oberflächenrauheit" />															</div>
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															<img loading="lazy" decoding="async" width="454" height="385" src="https://nanovea.com/wp-content/uploads/2023/08/Steel-Surface-ISO25178-Roughness-Analysis.jpg" class="attachment-large size-large wp-image-23117" alt="Charakterisierung von kugelgestrahlten Oberflächen" />															</div>
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				<section class="elementor-section elementor-inner-section elementor-element elementor-element-8bf02be elementor-reverse-mobile elementor-section-full_width elementor-reverse-tablet elementor-section-height-default elementor-section-height-default" data-id="8bf02be" data-element_type="section">
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									<p style="text-align: center;"><span class="fontstyle0" style="color: #1b96cf;">ISO 25178</span><span class="fontstyle0" style="color: #000000;"> 3D-RAUHEITSPARAMETER</span></p>								</div>
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<tr>
<td>SA</td>
<td>0,399 μm</td>
<td>Durchschnittliche Rauheit</td>
</tr>
<tr>
<td>Sq</td>
<td>0,516 μm</td>
<td>RMS-Rauheit</td>
</tr>
<tr>
<td>Sz</td>
<td>5,686 μm</td>
<td>Maximaler Abstand vom Gipfel zum Tal</td>
</tr>
<tr>
<td>Sp</td>
<td>2,976 μm</td>
<td>Maximale Spitzenhöhe</td>
</tr>
<tr>
<td>Sv</td>
<td>2,711 μm</td>
<td>Maximale Grubentiefe</td>
</tr>
<tr>
<td>Sku</td>
<td>3.9344</td>
<td>Kurtosis</td>
</tr>
<tr>
<td>Ssk</td>
<td>-0.0113</td>
<td>Schrägheit</td>
</tr>
<tr>
<td>Sal</td>
<td>0,0028 mm</td>
<td>Autokorrelationslänge</td>
</tr>
<tr>
<td>Str</td>
<td>0.0613</td>
<td>Textur-Seitenverhältnis</td>
</tr>
<tr>
<td>Sdar</td>
<td>26,539 mm²</td>
<td>Oberfläche</td>
</tr>
<tr>
<td>Svk</td>
<td>0,589 μm</td>
<td>Reduzierte Taltiefe</td>
</tr>
</tbody>
</table>
&nbsp;								</div>
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				<section class="elementor-section elementor-top-section elementor-element elementor-element-3343ac4 elementor-section-boxed elementor-section-height-default elementor-section-height-default" data-id="3343ac4" data-element_type="section">
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					<h2 class="elementor-heading-title elementor-size-default">ERGEBNISSE</h2>				</div>
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					<h3 class="elementor-heading-title elementor-size-default">GESTRAHLTE OBERFLÄCHE 1</h3>				</div>
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				<section class="elementor-section elementor-inner-section elementor-element elementor-element-2acba06 elementor-reverse-mobile elementor-section-full_width elementor-reverse-tablet elementor-section-height-default elementor-section-height-default" data-id="2acba06" data-element_type="section">
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						<div class="elementor-element elementor-element-520e0a7 elementor-widget elementor-widget-image" data-id="520e0a7" data-element_type="widget" data-widget_type="image.default">
				<div class="elementor-widget-container">
															<img loading="lazy" decoding="async" width="440" height="377" src="https://nanovea.com/wp-content/uploads/2023/08/Peened-Surface-ISO-25178-Roughness.jpg" class="attachment-large size-large wp-image-23118" alt="Kugelgestrahltes Oberflächenprofil" />															</div>
				</div>
					</div>
		</div>
				<div class="elementor-column elementor-col-50 elementor-inner-column elementor-element elementor-element-ea285df" data-id="ea285df" data-element_type="column">
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						<div class="elementor-element elementor-element-41f6ebf elementor-widget elementor-widget-image" data-id="41f6ebf" data-element_type="widget" data-widget_type="image.default">
				<div class="elementor-widget-container">
															<img loading="lazy" decoding="async" width="380" height="386" src="https://nanovea.com/wp-content/uploads/2023/08/Shot-Peened-Surface-ISO25178-Roughness.jpg" class="attachment-large size-large wp-image-23108" alt="Kugelgestrahltes Oberflächenprofilometer" />															</div>
				</div>
					</div>
		</div>
					</div>
		</section>
				<section class="elementor-section elementor-inner-section elementor-element elementor-element-1f3a816 elementor-reverse-mobile elementor-section-full_width elementor-reverse-tablet elementor-section-height-default elementor-section-height-default" data-id="1f3a816" data-element_type="section">
						<div class="elementor-container elementor-column-gap-narrow">
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						<div class="elementor-element elementor-element-9afb6dd elementor-widget elementor-widget-text-editor" data-id="9afb6dd" data-element_type="widget" data-widget_type="text-editor.default">
				<div class="elementor-widget-container">
									<p style="text-align: center;"><span class="fontstyle0" style="color: #1b96cf;">OBERFLÄCHENABDECKUNG </span><span class="fontstyle0" style="color: #000000;">98.105%</span></p>								</div>
				</div>
				<div class="elementor-element elementor-element-29bfe40 elementor-widget elementor-widget-image" data-id="29bfe40" data-element_type="widget" data-widget_type="image.default">
				<div class="elementor-widget-container">
															<img loading="lazy" decoding="async" width="445" height="370" src="https://nanovea.com/wp-content/uploads/2023/08/Shot-Peening-ISO25178-Roughness.jpg" class="attachment-large size-large wp-image-23114" alt="Untersuchung der kugelgestrahlten Oberfläche" />															</div>
				</div>
					</div>
		</div>
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				<div class="elementor-widget-container">
									<p style="text-align: center;"><span class="fontstyle0" style="color: #1b96cf;">ISO 25178</span><span class="fontstyle0" style="color: #000000;"> 3D-RAUHEITSPARAMETER</span></p>								</div>
				</div>
				<div class="elementor-element elementor-element-749588a elementor-widget__width-initial elementor-widget elementor-widget-text-editor" data-id="749588a" data-element_type="widget" data-widget_type="text-editor.default">
				<div class="elementor-widget-container">
									<!DOCTYPE html>
<html>
<head>
    <style>
        table {
            border-collapse: collapse;
            width: 100%;
        }

        th, td {
            border: 1px solid black;
            padding: 8px;
            text-align: left;
        }

        th {
            background-color: #f2f2f2;
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        td:nth-child(3) {
            color: #1B96CF;
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        /* Apply bold and italic style to table rows */
        tr {
            font-weight: bold;
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<body>

<table>
    <tr>
        <td>Sa</td>
        <td>4,102 μm</td>
        <td>Durchschnittliche Rauheit</td>
    </tr>
    <tr>
        <td>Sq</td>
        <td>5,153 μm</td>
        <td>RMS-Rauheit</td>
    </tr>
    <tr>
        <td>Sz</td>
        <td>44,975 μm</td>
        <td>Maximaler Abstand vom Gipfel zum Tal</td>
    </tr>
    <tr>
        <td>Sp</td>
        <td>24,332 μm</td>
        <td>Maximale Spitzenhöhe</td>
    </tr>
    <tr>
        <td>Sv</td>
        <td>20,644 μm</td>
        <td>Maximale Grubentiefe</td>
    </tr>
    <tr>
        <td>Sku</td>
        <td>3.0187</td>
        <td>Kurtosis</td>
    </tr>
    <tr>
        <td>Ssk</td>
        <td>0.0625</td>
        <td>Schrägheit</td>
    </tr>
    <tr>
        <td>Sal</td>
        <td>0,0976 mm</td>
        <td>Autokorrelationslänge</td>
    </tr>
    <tr>
        <td>Str</td>
        <td>0.9278</td>
        <td>Textur-Seitenverhältnis</td>
    </tr>
    <tr>
        <td>Sdar</td>
        <td>29,451 mm²</td>
        <td>Oberfläche</td>
    </tr>
    <tr>
        <td>Svk</td>
        <td>5,008 μm</td>
        <td>Reduzierte Taltiefe</td>
    </tr>
</table>

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		</section>
				<section class="elementor-section elementor-top-section elementor-element elementor-element-8cbc24c elementor-section-boxed elementor-section-height-default elementor-section-height-default" data-id="8cbc24c" data-element_type="section">
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					<h2 class="elementor-heading-title elementor-size-default">ERGEBNISSE</h2>				</div>
				</div>
				<div class="elementor-element elementor-element-474414a elementor-widget elementor-widget-heading" data-id="474414a" data-element_type="widget" data-widget_type="heading.default">
				<div class="elementor-widget-container">
					<h3 class="elementor-heading-title elementor-size-default">GESTRAHLTE OBERFLÄCHE 2</h3>				</div>
				</div>
				<section class="elementor-section elementor-inner-section elementor-element elementor-element-b93c817 elementor-reverse-mobile elementor-section-full_width elementor-reverse-tablet elementor-section-height-default elementor-section-height-default" data-id="b93c817" data-element_type="section">
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				<div class="elementor-widget-container">
															<img loading="lazy" decoding="async" width="434" height="378" src="https://nanovea.com/wp-content/uploads/2023/08/Shot-Peened-ISO-25178-Analysis.jpg" class="attachment-large size-large wp-image-23120" alt="Kugelgestrahlte Oberflächenprüfung" />															</div>
				</div>
					</div>
		</div>
				<div class="elementor-column elementor-col-50 elementor-inner-column elementor-element elementor-element-0a23c59" data-id="0a23c59" data-element_type="column">
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				<div class="elementor-widget-container">
															<img loading="lazy" decoding="async" width="423" height="385" src="https://nanovea.com/wp-content/uploads/2023/08/Shot-Peened-Surface-Roughness.jpg" class="attachment-large size-large wp-image-23112" alt="Analyse einer kugelgestrahlten Oberfläche" />															</div>
				</div>
					</div>
		</div>
					</div>
		</section>
				<section class="elementor-section elementor-inner-section elementor-element elementor-element-9905c5a elementor-reverse-mobile elementor-section-full_width elementor-reverse-tablet elementor-section-height-default elementor-section-height-default" data-id="9905c5a" data-element_type="section">
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				<div class="elementor-widget-container">
									<p style="text-align: center;"><span class="fontstyle0" style="color: #1b96cf;">OBERFLÄCHENABDECKUNG</span>
<span class="fontstyle0" style="color: #000000;"> 97.366%</span></p>								</div>
				</div>
				<div class="elementor-element elementor-element-2c564ba elementor-widget elementor-widget-image" data-id="2c564ba" data-element_type="widget" data-widget_type="image.default">
				<div class="elementor-widget-container">
															<img loading="lazy" decoding="async" width="422" height="373" src="https://nanovea.com/wp-content/uploads/2023/08/Shot-Peened-Roughness.jpg" class="attachment-large size-large wp-image-23121" alt="Oberflächenmesstechnik für kugelgestrahlte Oberflächen" />															</div>
				</div>
					</div>
		</div>
				<div class="elementor-column elementor-col-50 elementor-inner-column elementor-element elementor-element-671ee07" data-id="671ee07" data-element_type="column">
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						<div class="elementor-element elementor-element-7de2ae6 elementor-widget elementor-widget-text-editor" data-id="7de2ae6" data-element_type="widget" data-widget_type="text-editor.default">
				<div class="elementor-widget-container">
									<p style="text-align: center;"><span class="fontstyle0" style="color: #1b96cf;">ISO 25178</span><span class="fontstyle0" style="color: #000000;"> 3D-RAUHEITSPARAMETER</span></p>								</div>
				</div>
				<div class="elementor-element elementor-element-8ce3112 elementor-widget__width-initial elementor-widget elementor-widget-text-editor" data-id="8ce3112" data-element_type="widget" data-widget_type="text-editor.default">
				<div class="elementor-widget-container">
									<!DOCTYPE html>
<html>
<head>
    <style>
        table {
            border-collapse: collapse;
            width: 100%;
        }

        td {
            border: 1px solid black;
            padding: 8px;
            text-align: left;
        }

        td:nth-child(3) {
            color: #1B96CF;
            font-weight: bold;
            font-style: italic;
        }

        /* Apply bold and italic style to table rows */
        tr {
            font-weight: bold;
            font-style: italic;
        }
    </style>
</head>
<body>

<table>
    <tr>
        <td>Sa</td>
        <td>4.330 μm</td>
        <td>Durchschnittliche Rauheit</td>
    </tr>
    <tr>
        <td>Sq</td>
        <td>5,455 μm</td>
        <td>RMS-Rauheit</td>
    </tr>
    <tr>
        <td>Sz</td>
        <td>54,013 μm</td>
        <td>Maximaler Abstand vom Gipfel zum Tal</td>
    </tr>
    <tr>
        <td>Sp</td>
        <td>25,908 μm</td>
        <td>Maximale Spitzenhöhe</td>
    </tr>
    <tr>
        <td>Sv</td>
        <td>28,105 μm</td>
        <td>Maximale Grubentiefe</td>
    </tr>
    <tr>
        <td>Sku</td>
        <td>3.0642</td>
        <td>Kurtosis</td>
    </tr>
    <tr>
        <td>Ssk</td>
        <td>0.1108</td>
        <td>Schrägheit</td>
    </tr>
    <tr>
        <td>Sal</td>
        <td>0,1034 mm</td>
        <td>Autokorrelationslänge</td>
    </tr>
    <tr>
        <td>Str</td>
        <td>0.9733</td>
        <td>Textur-Seitenverhältnis</td>
    </tr>
    <tr>
        <td>Sdar</td>
        <td>29,623 mm²</td>
        <td>Oberfläche</td>
    </tr>
    <tr>
        <td>Svk</td>
        <td>5,167 μm</td>
        <td>Reduzierte Taltiefe</td>
    </tr>
</table>
</body>
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				</div>
					</div>
		</div>
					</div>
		</section>
					</div>
		</div>
					</div>
		</section>
				<section class="elementor-section elementor-top-section elementor-element elementor-element-ab6ead9 elementor-section-boxed elementor-section-height-default elementor-section-height-default" data-id="ab6ead9" data-element_type="section">
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					<h2 class="elementor-heading-title elementor-size-default">SCHLUSSFOLGERUNG</h2>				</div>
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				<div class="elementor-element elementor-element-ff1e3df elementor-widget elementor-widget-text-editor" data-id="ff1e3df" data-element_type="widget" data-widget_type="text-editor.default">
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									<div class="group w-full text-token-text-primary border-b border-black/10 dark:border-gray-900/50 bg-gray-50 dark:bg-[#444654]"><div class="flex p-4 gap-4 text-base md:gap-6 md:max-w-2xl lg:max-w-[38rem] xl:max-w-3xl md:py-6 lg:px-0 m-auto"><div class="relative flex w-[calc(100%-50px)] flex-col gap-1 md:gap-3 lg:w-[calc(100%-115px)]"><div class="flex flex-grow flex-col gap-3"><div class="min-h-[20px] flex flex-col items-start gap-3 overflow-x-auto whitespace-pre-wrap break-words"><div class="markdown prose w-full break-words dark:prose-invert light"><p>In dieser Anwendung zur kugelgestrahlten Oberflächenanalyse haben wir gezeigt, wie der NANOVEA ST400 3D Non-Contact Profiler sowohl die Topographie als auch die Nanometerdetails einer gestrahlten Oberfläche präzise charakterisiert. Es ist offensichtlich, dass sowohl Oberfläche 1 als auch Oberfläche 2 im Vergleich zum Rohmaterial einen erheblichen Einfluss auf alle hier angegebenen Parameter haben. Eine einfache visuelle Betrachtung der Bilder offenbart die Unterschiede zwischen den Oberflächen. Dies wird durch die Beobachtung des Abdeckungsbereichs und der aufgeführten Parameter weiter bestätigt. Im Vergleich zu Oberfläche 2 weist Oberfläche 1 eine geringere durchschnittliche Rauheit (Sa), flachere Dellen (Sv) und eine geringere Oberfläche (Sdar) auf, aber eine etwas größere Abdeckungsfläche.</p><p>Anhand dieser 3D-Oberflächenmessungen können interessierende Bereiche leicht identifiziert und einer umfassenden Reihe von Messungen unterzogen werden, darunter Rauheit, Oberflächenbeschaffenheit, Textur, Form, Topographie, Ebenheit, Verzug, Ebenheit, Volumen, Stufenhöhe und andere. Für eine detaillierte Analyse kann schnell ein 2D-Querschnitt ausgewählt werden. Diese Informationen ermöglichen eine umfassende Untersuchung gestrahlter Oberflächen unter Nutzung einer vollständigen Palette von Oberflächenmessressourcen. Spezifische Interessengebiete könnten mit einem integrierten AFM-Modul weiter untersucht werden. NANOVEA 3D-Profilometer bieten Geschwindigkeiten von bis zu 200 mm/s. Sie können in Bezug auf Größe, Geschwindigkeit und Scanfunktionen individuell angepasst werden und erfüllen sogar die Reinraumstandards der Klasse 1. Optionen wie Indexierförderer und Integration für Inline- oder Online-Nutzung sind ebenfalls verfügbar.</p></div></div></div></div></div></div>								</div>
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									<p><span class="fontstyle0">Ein besonderer Dank gilt Herrn Hayden vom IWF für die Bereitstellung des in diesem Vermerk gezeigten Musters. Industrial Metal Finishing Inc. |  indmetfin.com</span></p>								</div>
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				</div><p>The post <a href="https://nanovea.com/de/kugelgestrahlte-oberflachenanalyse-2/">Shot Peened Surface Analysis</a> appeared first on <a href="https://nanovea.com/de">NANOVEA: Advanced Profilometers, Tribometers, Nanoindenters, and Scratch Testers for Materials Testing</a>.</p>
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		<title>Morphologie der Lackoberfläche</title>
		<link>https://nanovea.com/de/lackoberflachenmorphologie/?utm_source=rss&#038;utm_medium=rss&#038;utm_campaign=paint-surface-morphology</link>
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		<dc:creator><![CDATA[nanovea]]></dc:creator>
		<pubdate>Fr., 04. August 2023 16:44:00 +0000</pubdate>
				<category><![CDATA[Application Notes]]></category>
		<category><![CDATA[Laboratory Testing]]></category>
		<category><![CDATA[Profilometry | Roughness and Finish]]></category>
		<category><![CDATA[Profilometry | Texture and Grain]]></category>
		<category><![CDATA[Profilometry Testing]]></category>
		<guid ispermalink="false">https://nanovea.com/?p=23049</guid>

					<description><![CDATA[<p>PAINT SURFACE MORPHOLOGY AUTOMATED REAL-TIME EVOLUTION MONITORINGUSING NANOVEA 3D PROFILOMETER Prepared by DUANJIE LI, PhD INTRODUCTION Protective and decorative properties of paint play a significant role in a variety of industries, including automotive, marine, military, and construction. To achieve desired properties, such as corrosion resistance, UV protection, and abrasion resistance, paint formulas and architectures are [&#8230;]</p>
<p>The post <a href="https://nanovea.com/de/lackoberflachenmorphologie/">Paint Surface Morphology</a> appeared first on <a href="https://nanovea.com/de">NANOVEA: Advanced Profilometers, Tribometers, Nanoindenters, and Scratch Testers for Materials Testing</a>.</p>
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					<h1 class="elementor-heading-title elementor-size-default">MORPHOLOGIE DER LACKOBERFLÄCHE</h1>				</div>
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					<h2 class="elementor-heading-title elementor-size-default">AUTOMATISCHE ÜBERWACHUNG DER ENTWICKLUNG IN ECHTZEIT<br>MIT NANOVEA 3D PROFILOMETER</h2>				</div>
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															<img loading="lazy" decoding="async" width="768" height="225" src="https://nanovea.com/wp-content/uploads/2023/08/Drying-Paint-Analysis-Study.jpg" class="attachment-medium_large size-medium_large wp-image-23058" alt="Morphologie der Lackoberfläche" />															</div>
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					<p class="elementor-heading-title elementor-size-default">Vorbereitet von</p>				</div>
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					<p class="elementor-heading-title elementor-size-default">DUANJIE LI, PhD</p>				</div>
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					<h2 class="elementor-heading-title elementor-size-default">EINFÜHRUNG</h2>				</div>
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									<p>Die schützenden und dekorativen Eigenschaften von Lacken spielen in einer Vielzahl von Branchen eine wichtige Rolle, z. B. in der Automobil-, Marine-, Militär- und Bauindustrie. Um die gewünschten Eigenschaften wie Korrosionsbeständigkeit, UV-Schutz und Abriebfestigkeit zu erreichen, werden Lackrezepturen und -strukturen sorgfältig analysiert, modifiziert und optimiert.</p>								</div>
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					<h3 class="elementor-heading-title elementor-size-default">BEDEUTUNG DES BERÜHRUNGSLOSEN 3D-PROFILOMETERS FÜR DIE ANALYSE DER OBERFLÄCHENMORPHOLOGIE TROCKNENDER FARBEN</h3>				</div>
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									<p>Farbe wird in der Regel in flüssiger Form aufgetragen und durchläuft einen Trocknungsprozess, bei dem die Lösungsmittel verdampfen und sich die flüssige Farbe in einen festen Film verwandelt. Während des Trocknungsprozesses verändert die Lackoberfläche allmählich ihre Form und Textur. Durch die Verwendung von Additiven, die die Oberflächenspannung und die Fließeigenschaften des Lacks verändern, können verschiedene Oberflächenbeschaffenheiten und Texturen entwickelt werden. Im Falle einer schlecht formulierten Lackrezeptur oder einer unsachgemäßen Oberflächenbehandlung kann es jedoch zu unerwünschten Lackoberflächenfehlern kommen.</p>
<p>Eine genaue In-situ-Überwachung der Farboberflächenmorphologie während der Trocknungsperiode kann direkte Einblicke in den Trocknungsmechanismus liefern. Darüber hinaus ist die Echtzeitentwicklung von Oberflächenmorphologien eine sehr nützliche Information für verschiedene Anwendungen, beispielsweise beim 3D-Druck. Die NANOVEA <a href="https://nanovea.com/profilometers/">Berührungslose 3D-Profilometer</a> Messen Sie die Farboberflächenmorphologie von Materialien, ohne die Probe zu berühren, und vermeiden Sie Formveränderungen, die durch Kontakttechnologien wie einen gleitenden Stift verursacht werden können.</p>								</div>
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					<h2 class="elementor-heading-title elementor-size-default">MESSZIEL</h2>				</div>
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									<p>In dieser Anwendung wird das berührungslose Profilometer NANOVEA ST500, das mit einem optischen Hochgeschwindigkeits-Zeilensensor ausgestattet ist, zur Überwachung der Morphologie der Lackoberfläche während der einstündigen Trocknungszeit eingesetzt. Wir zeigen die Fähigkeit des berührungslosen Profilometers NANOVEA zur automatisierten Echtzeit-3D-Profilmessung von Materialien mit kontinuierlicher Formveränderung.</p>								</div>
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									<p style="text-align: center; font-size: 20pt; color: black;">
  NANOVEA <span style="font-size: 20pt; color: #1b96cf;">ST500 Großfläche</span><br>
  Optisches 3D-Profilometer
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																<a href="https://nanovea.com/instruments/st500">
							<img loading="lazy" decoding="async" width="768" height="512" src="https://nanovea.com/wp-content/uploads/2020/12/Nanovea-Optical-Profilometry-ST500.png" class="elementor-animation-grow attachment-medium_large size-medium_large wp-image-9557" alt="NANOVEA ST500 3D-Profilometer" />								</a>
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					<h2 class="elementor-heading-title elementor-size-default">ERGEBNISSE &amp; DISKUSSION</h2>				</div>
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									<p>Die Farbe wurde auf die Oberfläche eines Metallblechs aufgetragen, woraufhin sofort automatische Messungen der Morphologieentwicklung der trocknenden Farbe in situ mit dem berührungslosen Profilometer NANOVEA ST500 durchgeführt wurden, das mit einem Hochgeschwindigkeits-Zeilensensor ausgestattet ist. Ein Makro wurde programmiert, um die 3D-Oberflächenmorphologie in bestimmten Zeitintervallen automatisch zu messen und aufzuzeichnen: 0, 5, 10, 20, 30, 40, 50 und 60 Minuten. Dieses automatisierte Scanverfahren ermöglicht es den Benutzern, Scanaufgaben automatisch auszuführen, indem sie festgelegte Verfahren nacheinander ablaufen lassen, was den Aufwand, die Zeit und mögliche Benutzerfehler im Vergleich zu manuellen Tests oder wiederholten Scans erheblich reduziert. Diese Automatisierung erweist sich als äußerst nützlich für Langzeitmessungen, bei denen mehrere Scans in unterschiedlichen Zeitabständen durchgeführt werden.</p><p>Der optische Zeilensensor erzeugt eine helle Linie, die aus 192 Punkten besteht, wie in ABBILDUNG 1 dargestellt. Diese 192 Lichtpunkte tasten die Probenoberfläche gleichzeitig ab, was die Scangeschwindigkeit erheblich erhöht. Dadurch wird sichergestellt, dass jeder 3D-Scan schnell abgeschlossen wird, um wesentliche Oberflächenveränderungen während jedes einzelnen Scans zu vermeiden.</p>								</div>
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															<img loading="lazy" decoding="async" width="664" height="426" src="https://nanovea.com/wp-content/uploads/2023/08/Paint-Coating-Analysis.jpg" class="attachment-large size-large wp-image-23062" alt="Lackbeschichtungsanalyse mit 3D-Profilometer" />															</div>
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									<p style="text-align: center;"><span class="fontstyle0" style="color: #1b96cf;">ABBILDUNG 1:</span><span class="fontstyle0" style="color: #000000;"> Optischer Zeilensensor, der die Oberfläche der trocknenden Farbe abtastet.</span></p>								</div>
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									<p>Die Falschfarbenansicht, die 3D-Ansicht und das 2D-Profil der Topografie der trocknenden Farbe zu repräsentativen Zeitpunkten sind in ABBILDUNG 2, ABBILDUNG 3 bzw. ABBILDUNG 4 dargestellt. Die Falschfarben in den Bildern erleichtern die Erkennung von Merkmalen, die nicht ohne weiteres zu erkennen sind. Unterschiedliche Farben stehen für Höhenunterschiede in verschiedenen Bereichen der Probenoberfläche. Die 3D-Ansicht ist ein ideales Hilfsmittel für den Benutzer, um die Lackoberfläche aus verschiedenen Blickwinkeln zu betrachten. Während der ersten 30 Minuten des Tests wechseln die Falschfarben auf der Lackoberfläche allmählich von wärmeren zu kühleren Tönen, was auf eine fortschreitende Abnahme der Höhe in diesem Zeitraum hindeutet. Dieser Prozess verlangsamt sich, wie die leichte Farbveränderung beim Vergleich des Lacks nach 30 und 60 Minuten zeigt.</p><p>Die durchschnittliche Probenhöhe und die Rauheit Sa in Abhängigkeit von der Trocknungszeit des Lacks sind in ABBILDUNG 5 dargestellt. Die vollständige Rauheitsanalyse des Lacks nach 0, 30 und 60 Minuten Trocknungszeit ist in TABELLE 1 aufgeführt. Es ist zu beobachten, dass die durchschnittliche Höhe der Lackoberfläche in den ersten 30 Minuten der Trocknungszeit rasch von 471 auf 329 µm abnimmt. Die Oberflächentextur entwickelt sich gleichzeitig mit dem Verdampfen des Lösungsmittels, was zu einem Anstieg des Rauhigkeitswertes Sa von 7,19 auf 22,6 µm führt. Danach verlangsamt sich der Lacktrocknungsprozess, was zu einer allmählichen Abnahme der Probenhöhe und des Sa-Wertes auf 317 µm bzw. 19,6 µm nach 60 Minuten führt.</p><p>Diese Studie unterstreicht die Fähigkeiten des berührungslosen NANOVEA 3D-Profilometers bei der Überwachung der 3D-Oberflächenveränderungen der trocknenden Farbe in Echtzeit, was wertvolle Einblicke in den Trocknungsprozess der Farbe ermöglicht. Durch die Messung der Oberflächenmorphologie ohne Berührung der Probe vermeidet das Profilometer Formveränderungen der ungetrockneten Farbe, wie sie bei Kontakttechnologien wie dem gleitenden Taststift auftreten können. Dieser berührungslose Ansatz gewährleistet eine genaue und zuverlässige Analyse der Oberflächenmorphologie der trocknenden Farbe.</p>								</div>
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															<img loading="lazy" decoding="async" width="768" height="325" src="https://nanovea.com/wp-content/uploads/2023/08/Paint-Coating-Morphology.jpg" class="attachment-medium_large size-medium_large wp-image-23064" alt="Morphologie der Lackoberfläche" />															</div>
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															<img loading="lazy" decoding="async" width="768" height="325" src="https://nanovea.com/wp-content/uploads/2023/08/Drying-Paint-Surface-Morphology.jpg" class="attachment-medium_large size-medium_large wp-image-23060" alt="Morphologie der Lackbeschichtung" />															</div>
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									<p style="text-align: center;"><span class="fontstyle0" style="color: #1b96cf;">ABBILDUNG 2:</span><span class="fontstyle0" style="color: #000000;"> Entwicklung der Oberflächenmorphologie der trocknenden Farbe zu verschiedenen Zeitpunkten.</span></p>								</div>
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															<img loading="lazy" decoding="async" width="617" height="461" src="https://nanovea.com/wp-content/uploads/2023/08/Drying-Paint-Coating-Measurement.jpg" class="attachment-medium_large size-medium_large wp-image-23059" alt="Charakterisierung von Lackoberflächen" />															</div>
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															<img decoding="async" src="https://nanovea.com/wp-content/uploads/2023/08/Drying-Paint-Surface-Profilometry.jpg" title="" alt="Analyse der Lackoberfläche" loading="lazy" />															</div>
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									<p style="text-align: center;"><span class="fontstyle0" style="color: #1b96cf;">ABBILDUNG 3:</span><span class="fontstyle0" style="color: #000000;"> 3D-Ansicht der Entwicklung der Lackoberfläche bei verschiedenen Trocknungszeiten.</span></p>								</div>
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															<img loading="lazy" decoding="async" width="703" height="559" src="https://nanovea.com/wp-content/uploads/2023/08/Paint-Coating-Measurement.jpg" class="attachment-medium_large size-medium_large wp-image-23063" alt="Oberflächenprofilometrie von Lackierungen" />															</div>
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									<p style="text-align: center;"><span class="fontstyle0" style="color: #1b96cf;">ABBILDUNG 4:</span><span class="fontstyle0" style="color: #000000;"> 2D-Profil über der Lackprobe nach verschiedenen Trocknungszeiten.</span></p>								</div>
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				<section class="elementor-section elementor-inner-section elementor-element elementor-element-8ec42f4 elementor-reverse-mobile elementor-section-full_width elementor-reverse-tablet elementor-section-height-default elementor-section-height-default" data-id="8ec42f4" data-element_type="section">
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															<img loading="lazy" decoding="async" width="737" height="557" src="https://nanovea.com/wp-content/uploads/2023/08/Paint-Morphology-Evolution.jpg" class="attachment-medium_large size-medium_large wp-image-23071" alt="Untersuchung der Lackoberfläche" />															</div>
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									<p style="text-align: center;"><span class="fontstyle0" style="color: #1b96cf;">ABBILDUNG 5:</span><span class="fontstyle0" style="color: #000000;"> Entwicklung der durchschnittlichen Probenhöhe und des Rauhigkeitswerts Sa in Abhängigkeit von der Trocknungszeit des Lacks.</span></p>								</div>
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					<h3 class="elementor-heading-title elementor-size-default">ISO 25178 – Oberflächenstrukturparameter</h3>				</div>
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<tbody>
<tr>
<td><em><b>Trocknungszeit (min)</b></em></td>
<td><em><b>0</b></em></td>
<td><em><b>5</b></em></td>
<td><em><b>10</b></em></td>
<td><em><b>20</b></em></td>
<td><em><b>30</b></em></td>
<td><em><b>40</b></em></td>
<td><em><b>50</b></em></td>
<td><em><b>60</b></em></td>
</tr>
<tr>
<td><em><b>Sq (µm)</b></em></td>
<td>7.91</td>
<td>9.4</td>
<td>10.8</td>
<td>20.9</td>
<td>22.6</td>
<td>20.6</td>
<td>19.9</td>
<td>19.6</td>
</tr>
<tr>
<td><em><b>Sku</b></em></td>
<td>26.3</td>
<td>19.8</td>
<td>14.6</td>
<td>11.9</td>
<td>10.5</td>
<td>9.87</td>
<td>9.83</td>
<td>9.82</td>
</tr>
<tr>
<td><em><b>Sp (µm)</b></em></td>
<td>97.4</td>
<td>105</td>
<td>108</td>
<td>116</td>
<td>125</td>
<td>118</td>
<td>114</td>
<td>112</td>
</tr>
<tr>
<td><em><b>Sv (µm)</b></em></td>
<td>127</td>
<td>70.2</td>
<td>116</td>
<td>164</td>
<td>168</td>
<td>138</td>
<td>130</td>
<td>128</td>
</tr>
<tr>
<td><em><b>Sz (µm)</b></em></td>
<td>224</td>
<td>175</td>
<td>224</td>
<td>280</td>
<td>294</td>
<td>256</td>
<td>244</td>
<td>241</td>
</tr>
<tr>
<td><em><b>Sa (µm)</b></em></td>
<td>4.4</td>
<td>5.44</td>
<td>6.42</td>
<td>12.2</td>
<td>13.3</td>
<td>12.2</td>
<td>11.9</td>
<td>11.8</td>
</tr>
</tbody>
</table>								</div>
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									<p style="text-align: center;"><span class="fontstyle0" style="color: #1b96cf;">Sq -</span><span class="fontstyle0" style="color: #000000;"> Wurzel-Mittel-Quadrat-Höhe </span><span class="fontstyle0" style="color: #1b96cf;"> | Sku -</span><span class="fontstyle0" style="color: #000000;"> Kurtosis </span><span class="fontstyle0" style="color: #1b96cf;"> | Sp -</span><span class="fontstyle0" style="color: #000000;"> Maximale Peakhöhe</span><span class="fontstyle0" style="color: #1b96cf;"> | Sv -</span><span class="fontstyle0" style="color: #000000;"> Maximale Grubenhöhe</span><span class="fontstyle0" style="color: #1b96cf;"> | Sz -</span><span class="fontstyle0" style="color: #000000;"> Maximale Höhe</span><span class="fontstyle0" style="color: #1b96cf;"> | Sv -</span><span class="fontstyle0" style="color: #000000;"> Arithmetisches Mittel der Höhe</span></p>								</div>
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									<p style="text-align: center;"><span class="fontstyle0" style="color: #1b96cf;">TABELLE 1:</span><span class="fontstyle0" style="color: #000000;"> <span class="fontstyle0">Rauheit der Farbe bei unterschiedlichen Trocknungszeiten.</span> <br /></span></p>								</div>
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					<h2 class="elementor-heading-title elementor-size-default">SCHLUSSFOLGERUNG</h2>				</div>
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<p>In dieser Anwendung haben wir die Fähigkeiten des berührungslosen 3D-Profilometers NANOVEA ST500 bei der Überwachung der Entwicklung der Oberflächenmorphologie von Lacken während des Trocknungsprozesses demonstriert. Der optische Hochgeschwindigkeits-Zeilensensor, der eine Linie mit 192 Lichtpunkten erzeugt, die die Probenoberfläche gleichzeitig abtasten, hat die Untersuchung zeitsparend gemacht und gleichzeitig eine unübertroffene Genauigkeit gewährleistet.</p>
<p>Die Makrofunktion der Erfassungssoftware ermöglicht die Programmierung automatischer Messungen der 3D-Oberflächenmorphologie in situ, was besonders für Langzeitmessungen mit mehreren Scans in bestimmten Zeitintervallen nützlich ist. Dies reduziert den Zeit- und Arbeitsaufwand sowie das Potenzial für Benutzerfehler erheblich. Die fortschreitenden Veränderungen der Oberflächenmorphologie werden kontinuierlich überwacht und in Echtzeit aufgezeichnet, während die Farbe trocknet, was wertvolle Einblicke in den Trocknungsmechanismus der Farbe ermöglicht.</p>
<p>Die hier gezeigten Daten stellen nur einen Bruchteil der in der Analysesoftware verfügbaren Berechnungen dar. NANOVEA Profilometer sind in der Lage, praktisch jede Oberfläche zu messen, egal ob sie transparent, dunkel, reflektierend oder undurchsichtig ist.</p></div></div></div>
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				</div><p>The post <a href="https://nanovea.com/de/lackoberflachenmorphologie/">Paint Surface Morphology</a> appeared first on <a href="https://nanovea.com/de">NANOVEA: Advanced Profilometers, Tribometers, Nanoindenters, and Scratch Testers for Materials Testing</a>.</p>
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		<title>Verschleißtest der PTFE-Beschichtung</title>
		<link>https://nanovea.com/de/verschleisstest-der-ptfe-beschichtung/?utm_source=rss&#038;utm_medium=rss&#038;utm_campaign=ptfe-coating-wear-test</link>
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		<dc:creator><![CDATA[nanovea]]></dc:creator>
		<pubdate>Thu, 22 Jun 2023 19:11:39 +0000</pubdate>
				<category><![CDATA[Application Notes]]></category>
		<category><![CDATA[Laboratory Testing]]></category>
		<category><![CDATA[Linear Tribology]]></category>
		<category><![CDATA[Mechanical Testing]]></category>
		<category><![CDATA[Scratch Testing | Adhesive Failure]]></category>
		<category><![CDATA[Scratch Testing | Cohesive Failure]]></category>
		<category><![CDATA[Tribology Testing]]></category>
		<guid ispermalink="false">https://nanovea.com/?p=22853</guid>

					<description><![CDATA[<p>PTFE COATING WEAR TEST USING TRIBOMETER AND MECHANICAL TESTER Prepared by DUANJIE LI, PhD INTRODUCTION Polytetrafluoroethylene (PTFE), commonly known as Teflon, is a polymer with an exceptionally low coefficient of friction (COF) and excellent wear resistance, depending on the applied loads. PTFE exhibits superior chemical inertness, high melting point of 327°C (620°F), and maintains high [&#8230;]</p>
<p>The post <a href="https://nanovea.com/de/verschleisstest-der-ptfe-beschichtung/">PTFE Coating Wear Test</a> appeared first on <a href="https://nanovea.com/de">NANOVEA: Advanced Profilometers, Tribometers, Nanoindenters, and Scratch Testers for Materials Testing</a>.</p>
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										<content:encoded><![CDATA[<div data-elementor-type="wp-post" data-elementor-id="22853" class="elementor elementor-22853" data-elementor-post-type="post">
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					<h1 class="elementor-heading-title elementor-size-default">VERSCHLEISSTEST DER PTFE-BESCHICHTUNG</h1>				</div>
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					<h2 class="elementor-heading-title elementor-size-default">MIT TRIBOMETER UND MECHANISCHEM TESTER</h2>				</div>
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															<img loading="lazy" decoding="async" width="768" height="229" src="https://nanovea.com/wp-content/uploads/2023/06/Teflon-Coating-Wear-Test.jpg" class="attachment-medium_large size-medium_large wp-image-22855" alt="PTFE-BESCHICHTUNG VERSCHLEISSTEST" />															</div>
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					<p class="elementor-heading-title elementor-size-default">Vorbereitet von</p>				</div>
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					<p class="elementor-heading-title elementor-size-default">DUANJIE LI, PhD</p>				</div>
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									<p><span class="fontstyle0">Polytetrafluorethylen (PTFE), allgemein bekannt als Teflon, ist ein Polymer mit einem außergewöhnlich niedrigen Reibungskoeffizienten (COF) und einer hervorragenden Verschleißfestigkeit, abhängig von den angewendeten Belastungen. PTFE weist eine hervorragende chemische Inertheit, einen hohen Schmelzpunkt von 327 °C (620 °F) auf und behält eine hohe Festigkeit, Zähigkeit und Selbstschmierung bei niedrigen Temperaturen bei. Die außergewöhnliche Verschleißfestigkeit von PTFE-Beschichtungen macht sie in einer Vielzahl industrieller Anwendungen sehr gefragt, beispielsweise in der Automobilindustrie, in der Luft- und Raumfahrt, in der Medizintechnik und insbesondere bei Kochgeschirr.</span></p>								</div>
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					<h3 class="elementor-heading-title elementor-size-default">WICHTIGKEIT DER QUANTITATIVEN BEWERTUNG VON PTFE-BESCHICHTUNGEN</h3>				</div>
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									<p>Die Kombination aus einem extrem niedrigen Reibungskoeffizienten (COF), ausgezeichneter Verschleißfestigkeit und außergewöhnlicher chemischer Inertheit bei hohen Temperaturen macht PTFE zur idealen Wahl für Antihaft-Pfannenbeschichtungen. Um seine mechanischen Prozesse während der Forschung und Entwicklung weiter zu verbessern und eine optimale Kontrolle über Fehlfunktionsvermeidungs- und Sicherheitsmaßnahmen im Qualitätskontrollprozess sicherzustellen, ist es von entscheidender Bedeutung, über eine zuverlässige Technik zur Mengenbewertung der tribomechanischen Prozesse von PTFE-Beschichtungen zu verfügen. Um die beabsichtigte Leistung sicherzustellen, ist eine genaue Kontrolle der Oberflächenreibung, des Verschleißes und der Haftung der Beschichtungen unerlässlich.</p>								</div>
				</div>
					</div>
		</div>
					</div>
		</section>
				<section class="elementor-section elementor-top-section elementor-element elementor-element-47c8aaf elementor-reverse-mobile elementor-section-boxed elementor-section-height-default elementor-section-height-default" data-id="47c8aaf" data-element_type="section">
						<div class="elementor-container elementor-column-gap-default">
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			<div class="elementor-widget-wrap elementor-element-populated">
						<div class="elementor-element elementor-element-f4459af elementor-widget elementor-widget-heading" data-id="f4459af" data-element_type="widget" data-widget_type="heading.default">
				<div class="elementor-widget-container">
					<h2 class="elementor-heading-title elementor-size-default">MESSZIEL</h2>				</div>
				</div>
				<section class="elementor-section elementor-inner-section elementor-element elementor-element-a2d928a elementor-reverse-mobile elementor-section-full_width elementor-reverse-tablet elementor-section-content-bottom elementor-section-height-default elementor-section-height-default" data-id="a2d928a" data-element_type="section">
						<div class="elementor-container elementor-column-gap-extended">
					<div class="elementor-column elementor-col-50 elementor-inner-column elementor-element elementor-element-98f34f4" data-id="98f34f4" data-element_type="column">
			<div class="elementor-widget-wrap elementor-element-populated">
						<div class="elementor-element elementor-element-f4e8ac1 elementor-widget elementor-widget-text-editor" data-id="f4e8ac1" data-element_type="widget" data-widget_type="text-editor.default">
				<div class="elementor-widget-container">
									<p>In dieser Anwendung wird der Verschleißprozess einer PTFE-Beschichtung für eine Antihaftpfanne mit dem NANOVEA Tribometer im linearen Hin- und Herbewegungsmodus simuliert.</p>								</div>
				</div>
				<div class="elementor-element elementor-element-4b93daf elementor-widget elementor-widget-image" data-id="4b93daf" data-element_type="widget" data-widget_type="image.default">
				<div class="elementor-widget-container">
																<a href="https://nanovea.com/instruments/t50">
							<img loading="lazy" decoding="async" width="300" height="300" src="https://nanovea.com/wp-content/uploads/2023/06/NANOVEA-T50-Tribometer-for-Wear-Test.jpg" class="elementor-animation-grow attachment-medium size-medium wp-image-22861" alt="NANOVEA TRIBOMETER: Prüfung der Abrasivität von Kalkstein und Marmor" />								</a>
															</div>
				</div>
				<div class="elementor-element elementor-element-7625a79 elementor-widget elementor-widget-text-editor" data-id="7625a79" data-element_type="widget" data-widget_type="text-editor.default">
				<div class="elementor-widget-container">
									<p style="text-align: center; font-size: 18pt; color: black;">NANOVEA <span style="font-size: 18pt; color: #1b96cf;">T50 Kompakt</span> <br>
Tribometer mit freiem Gewicht</p>								</div>
				</div>
				<div class="elementor-element elementor-element-4a2d6c2 elementor-align-center homepage-button-brochure elementor-widget elementor-widget-button" data-id="4a2d6c2" data-element_type="widget" data-widget_type="button.default">
				<div class="elementor-widget-container">
									<div class="elementor-button-wrapper">
					<a class="elementor-button elementor-button-link elementor-size-sm" href="https://nanovea.com/t50-tribometer-brochure-form/" id="button-brochure">
						<span class="elementor-button-content-wrapper">
									<span class="elementor-button-text">BROSCHÜRE HERUNTERLADEN</span>
					</span>
					</a>
				</div>
								</div>
				</div>
				<div class="elementor-element elementor-element-749c626 elementor-align-center button-quote elementor-widget elementor-widget-button" data-id="749c626" data-element_type="widget" data-widget_type="button.default">
				<div class="elementor-widget-container">
									<div class="elementor-button-wrapper">
					<a class="elementor-button elementor-button-link elementor-size-sm" href="https://nanovea.com/contact-sales-form/" id="button-quote">
						<span class="elementor-button-content-wrapper">
									<span class="elementor-button-text">ANGEBOT EINHOLEN</span>
					</span>
					</a>
				</div>
								</div>
				</div>
					</div>
		</div>
				<div class="elementor-column elementor-col-50 elementor-inner-column elementor-element elementor-element-360d589" data-id="360d589" data-element_type="column">
			<div class="elementor-widget-wrap elementor-element-populated">
						<div class="elementor-element elementor-element-acb32da elementor-widget elementor-widget-text-editor" data-id="acb32da" data-element_type="widget" data-widget_type="text-editor.default">
				<div class="elementor-widget-container">
									<p>Darüber hinaus wurde mit dem NANOVEA Mechanical Tester ein Mikrokratzhaftungstest durchgeführt, um die kritische Belastung des Haftungsfehlers der PTFE-Beschichtung zu bestimmen.</p>								</div>
				</div>
				<div class="elementor-element elementor-element-d163443 elementor-widget elementor-widget-image" data-id="d163443" data-element_type="widget" data-widget_type="image.default">
				<div class="elementor-widget-container">
																<a href="https://nanovea.com/instruments/pb1000/">
							<img loading="lazy" decoding="async" width="300" height="298" src="https://nanovea.com/wp-content/uploads/2023/06/NANOVEA-Scratch-Tester-amd-Nanoindentation.jpg" class="elementor-animation-grow attachment-medium size-medium wp-image-22859" alt="NANOVEA SCRATCH TESTER: PTFE BESCHICHTUNG VERSCHLEISSTEST" />								</a>
															</div>
				</div>
				<div class="elementor-element elementor-element-000d5a3 elementor-widget elementor-widget-text-editor" data-id="000d5a3" data-element_type="widget" data-widget_type="text-editor.default">
				<div class="elementor-widget-container">
									<p style="text-align: center; font-size: 18pt; color: black;">NANOVEA <span style="font-size: 18pt; color: #1b96cf;">PB1000 Große Plattform</span>
Mechanischer Tester</p>								</div>
				</div>
				<div class="elementor-element elementor-element-7ee7f8d elementor-align-center homepage-button-brochure elementor-widget elementor-widget-button" data-id="7ee7f8d" data-element_type="widget" data-widget_type="button.default">
				<div class="elementor-widget-container">
									<div class="elementor-button-wrapper">
					<a class="elementor-button elementor-button-link elementor-size-sm" href="https://nanovea.com/pb1000-mechanical-tester-brochure-form/" id="button-brochure">
						<span class="elementor-button-content-wrapper">
									<span class="elementor-button-text">BROSCHÜRE HERUNTERLADEN</span>
					</span>
					</a>
				</div>
								</div>
				</div>
				<div class="elementor-element elementor-element-1a60034 elementor-align-center button-quote elementor-widget elementor-widget-button" data-id="1a60034" data-element_type="widget" data-widget_type="button.default">
				<div class="elementor-widget-container">
									<div class="elementor-button-wrapper">
					<a class="elementor-button elementor-button-link elementor-size-sm" href="https://nanovea.com/contact-sales-form/" id="button-quote">
						<span class="elementor-button-content-wrapper">
									<span class="elementor-button-text">ANGEBOT EINHOLEN</span>
					</span>
					</a>
				</div>
								</div>
				</div>
					</div>
		</div>
					</div>
		</section>
					</div>
		</div>
					</div>
		</section>
				<section class="elementor-section elementor-top-section elementor-element elementor-element-9be9abc elementor-section-boxed elementor-section-height-default elementor-section-height-default" data-id="9be9abc" data-element_type="section">
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					<div class="elementor-column elementor-col-50 elementor-top-column elementor-element elementor-element-b4ad12e" data-id="b4ad12e" data-element_type="column">
			<div class="elementor-widget-wrap elementor-element-populated">
						<div class="elementor-element elementor-element-cfda766 elementor-widget elementor-widget-heading" data-id="cfda766" data-element_type="widget" data-widget_type="heading.default">
				<div class="elementor-widget-container">
					<h2 class="elementor-heading-title elementor-size-default">TESTVORGANG</h2>				</div>
				</div>
				<div class="elementor-element elementor-element-f8fab8d elementor-widget elementor-widget-heading" data-id="f8fab8d" data-element_type="widget" data-widget_type="heading.default">
				<div class="elementor-widget-container">
					<h3 class="elementor-heading-title elementor-size-default">ABNUTZUNGSTEST</h3>				</div>
				</div>
				<div class="elementor-element elementor-element-782a69e elementor-widget elementor-widget-heading" data-id="782a69e" data-element_type="widget" data-widget_type="heading.default">
				<div class="elementor-widget-container">
					<h3 class="elementor-heading-title elementor-size-default">LINEARER HIN- UND HERGESTELLTER VERSCHLEIß MIT EINEM TRIBOMETER</h3>				</div>
				</div>
				<div class="elementor-element elementor-element-56da828 elementor-widget elementor-widget-text-editor" data-id="56da828" data-element_type="widget" data-widget_type="text-editor.default">
				<div class="elementor-widget-container">
									<p>Das tribologische Verhalten der PTFE-Beschichtungsprobe, einschließlich des Reibungskoeffizienten (COF) und der Verschleißfestigkeit, wurde mit dem NANOVEA bewertet <a href="https://nanovea.com/tribometers/">Tribometer </a>im linearen Hin- und Herbewegungsmodus. Für die Beschichtung wurde eine Kugelspitze aus Edelstahl 440 mit einem Durchmesser von 3 mm (Klasse 100) verwendet. Der COF wurde während des PTFE-Beschichtungsverschleißtests kontinuierlich überwacht.</p><p> </p><p>Die Verschleißrate K wurde mit der Formel K=V/(F×s)=A/(F×n) berechnet, wobei V das verschlissene Volumen, F die Normallast, s die Gleitstrecke und A ist die Querschnittsfläche der Verschleißspur und n ist die Anzahl der Hübe. Die Verschleißspurprofile wurden mit dem NANOVEA bewertet <a href="https://nanovea.com/profilometers/">Optisches Profilometer</a>und die Morphologie der Verschleißspuren wurde mit einem optischen Mikroskop untersucht.</p>								</div>
				</div>
					</div>
		</div>
				<div class="elementor-column elementor-col-50 elementor-top-column elementor-element elementor-element-7600025" data-id="7600025" data-element_type="column" data-settings="{&quot;background_background&quot;:&quot;classic&quot;}">
			<div class="elementor-widget-wrap">
							</div>
		</div>
					</div>
		</section>
				<section class="elementor-section elementor-top-section elementor-element elementor-element-94e8004 elementor-section-boxed elementor-section-height-default elementor-section-height-default" data-id="94e8004" data-element_type="section">
						<div class="elementor-container elementor-column-gap-no">
					<div class="elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-cf2d779" data-id="cf2d779" data-element_type="column">
			<div class="elementor-widget-wrap elementor-element-populated">
						<div class="elementor-element elementor-element-b24853d elementor-widget elementor-widget-heading" data-id="b24853d" data-element_type="widget" data-widget_type="heading.default">
				<div class="elementor-widget-container">
					<h2 class="elementor-heading-title elementor-size-default">PARAMETER DER VERSCHLEISSPRÜFUNG</h2>				</div>
				</div>
				<div class="elementor-element elementor-element-ab573c0 elementor-widget elementor-widget-text-editor" data-id="ab573c0" data-element_type="widget" data-widget_type="text-editor.default">
				<div class="elementor-widget-container">
									<table style="border-collapse: collapse; width: 100%;">
<tbody>
<tr>
<td style="width: 50%; text-align: left;"><em><strong style="color: #1b96cf;">LOAD</strong></em></td>
<td style="width: 52.497%; text-align: right;"><em><strong>30 N</strong></em></td>
</tr>
<tr>
<td style="width: 50%; text-align: left;"><em><strong style="color: #1b96cf;">TESTDAUER</strong></em></td>
<td style="width: 52.497%; text-align: right;"><em><strong>5 Minuten</strong></em></td>
</tr>
<tr>
<td style="width: 50%; text-align: left;"><em><strong style="color: #1b96cf;">GLEITGESCHWINDIGKEIT</strong></em></td>
<td style="width: 52.497%; text-align: right;"><em><strong>80 U/min</strong></em></td>
</tr>
<tr>
<td style="width: 50%; text-align: left;"><em><strong style="color: #1b96cf;">AMPLITUDE DER SPUR </strong></em></td>
<td style="width: 52.497%; text-align: right;"><em><strong>8 mm</strong></em></td>
</tr>
<tr>
<td style="width: 50%; text-align: left;"><em><strong style="color: #1b96cf;">REVOLUTIONEN</strong></em></td>
<td style="width: 52.497%; text-align: right;"><em><strong>300</strong></em></td>
</tr>
<tr>
<td style="width: 50%; text-align: left;"><em><strong style="color: #1b96cf;">KUGEL-DIAMETER</strong></em></td>
<td style="width: 52.497%; text-align: right;"><em><strong>3 mm</strong></em></td>
</tr>
<tr>
<td style="width: 50%; text-align: left;"><em><strong style="color: #1b96cf;">KUGELMATERIAL</strong></em></td>
<td style="width: 52.497%; text-align: right;"><em><strong>Edelstahl 440</strong></em></td>
</tr>
<tr>
<td style="width: 50%; text-align: left;"><em><strong style="color: #1b96cf;">SCHMIERMITTEL</strong></em></td>
<td style="width: 52.497%; text-align: right;"><em><strong>Keiner</strong></em></td>
</tr>
<tr>
<td style="width: 50%; text-align: left;"><em><strong style="color: #1b96cf;">ATMOSPHÄRE</strong></em></td>
<td style="width: 52.497%; text-align: right;"><em><strong>Luft</strong></em></td>
</tr>
<tr>
<td style="width: 50%; text-align: left;"><em><strong style="color: #1b96cf;">TEMPERATUR </strong></em></td>
<td style="width: 52.497%; text-align: right;"><em><strong>230 °C (RT)</strong></em></td>
</tr>
<tr>
<td style="width: 50%; text-align: left;"><em><strong style="color: #1b96cf;">FEUCHTIGKEIT</strong></em></td>
<td style="width: 52.497%; text-align: right;"><em><strong>43%</strong></em></td>
</tr>
</tbody>
</table>								</div>
				</div>
					</div>
		</div>
					</div>
		</section>
				<section class="elementor-section elementor-top-section elementor-element elementor-element-e70ba4b elementor-section-boxed elementor-section-height-default elementor-section-height-default" data-id="e70ba4b" data-element_type="section">
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					<div class="elementor-column elementor-col-50 elementor-top-column elementor-element elementor-element-ef00b99" data-id="ef00b99" data-element_type="column" data-settings="{&quot;background_background&quot;:&quot;classic&quot;}">
			<div class="elementor-widget-wrap elementor-element-populated">
						<div class="elementor-element elementor-element-5abc2e8 elementor-widget__width-initial elementor-widget elementor-widget-spacer" data-id="5abc2e8" data-element_type="widget" data-widget_type="spacer.default">
				<div class="elementor-widget-container">
							<div class="elementor-spacer">
			<div class="elementor-spacer-inner"></div>
		</div>
						</div>
				</div>
					</div>
		</div>
				<div class="elementor-column elementor-col-50 elementor-top-column elementor-element elementor-element-07b77c1" data-id="07b77c1" data-element_type="column">
			<div class="elementor-widget-wrap elementor-element-populated">
						<div class="elementor-element elementor-element-5cf5562 elementor-widget elementor-widget-heading" data-id="5cf5562" data-element_type="widget" data-widget_type="heading.default">
				<div class="elementor-widget-container">
					<h2 class="elementor-heading-title elementor-size-default">TESTVORGANG</h2>				</div>
				</div>
				<div class="elementor-element elementor-element-31df6ff elementor-widget elementor-widget-heading" data-id="31df6ff" data-element_type="widget" data-widget_type="heading.default">
				<div class="elementor-widget-container">
					<h3 class="elementor-heading-title elementor-size-default">SCRATCH TEST</h3>				</div>
				</div>
				<div class="elementor-element elementor-element-1dca591 elementor-widget elementor-widget-heading" data-id="1dca591" data-element_type="widget" data-widget_type="heading.default">
				<div class="elementor-widget-container">
					<h3 class="elementor-heading-title elementor-size-default">Mikrokratz-Haftungstest mit mechanischem Tester</h3>				</div>
				</div>
				<div class="elementor-element elementor-element-3802982 elementor-widget elementor-widget-text-editor" data-id="3802982" data-element_type="widget" data-widget_type="text-editor.default">
				<div class="elementor-widget-container">
									<p>Die Messung der PTFE-Kratzhaftung wurde mit dem NANOVEA durchgeführt <a href="https://nanovea.com/mechanical-testers/">Mechanischer Tester</a> mit einem 1200 Rockwell C Diamantstift (200 μm Radius) im Micro Scratch Tester-Modus.</p><p><span style="color: var( --e-global-color-text ); font-family: var( --e-global-typography-text-font-family ), Sans-serif; font-size: var( --e-global-typography-text-font-size ); font-weight: var( --e-global-typography-text-font-weight );">Um die Reproduzierbarkeit der Ergebnisse sicherzustellen, wurden drei Tests unter identischen Testbedingungen durchgeführt.</span></p>								</div>
				</div>
					</div>
		</div>
					</div>
		</section>
				<section class="elementor-section elementor-top-section elementor-element elementor-element-c60c719 elementor-section-boxed elementor-section-height-default elementor-section-height-default" data-id="c60c719" data-element_type="section">
						<div class="elementor-container elementor-column-gap-no">
					<div class="elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-83a58b4" data-id="83a58b4" data-element_type="column">
			<div class="elementor-widget-wrap elementor-element-populated">
						<div class="elementor-element elementor-element-643c444 elementor-widget elementor-widget-heading" data-id="643c444" data-element_type="widget" data-widget_type="heading.default">
				<div class="elementor-widget-container">
					<h2 class="elementor-heading-title elementor-size-default">SCRATCH-TEST-PARAMETER</h2>				</div>
				</div>
				<div class="elementor-element elementor-element-8f0178d elementor-widget elementor-widget-text-editor" data-id="8f0178d" data-element_type="widget" data-widget_type="text-editor.default">
				<div class="elementor-widget-container">
									<table style="border-collapse: collapse; width: 100%;">
<tbody>
<tr>
<td style="width: 50%; text-align: left;"><em><strong style="color: #1b96cf;">LADUNGSTYP</strong></em></td>
<td style="width: 52.497%; text-align: right;"><em><strong>Progressiv</strong></em></td>
</tr>
<tr>
<td style="width: 50%; text-align: left;"><em><strong style="color: #1b96cf;">ANFANGSLADUNG </strong></em></td>
<td style="width: 52.497%; text-align: right;"><em><strong>0,01 mN</strong></em></td>
</tr>
<tr>
<td style="width: 50%; text-align: left;"><em><strong style="color: #1b96cf;">ENDLADUNG</strong></em></td>
<td style="width: 52.497%; text-align: right;"><em><strong>20 mN</strong></em></td>
</tr>
<tr>
<td style="width: 50%; text-align: left;"><em><strong style="color: #1b96cf;">LADUNGSVERFAHREN</strong></em></td>
<td style="width: 52.497%; text-align: right;"><em><strong>40 mN/min</strong></em></td>
</tr>
<tr>
<td style="width: 50%; text-align: left;"><em><strong style="color: #1b96cf;">SCRATCH LENGTH</strong></em></td>
<td style="width: 52.497%; text-align: right;"><em><strong>3 mm</strong></em></td>
</tr>
<tr>
<td style="width: 50%; text-align: left;"><em><strong style="color: #1b96cf;">KREUZGESCHWINDIGKEIT, dx/dt</strong></em></td>
<td style="width: 52.497%; text-align: right;"><em><strong>6,0 mm/min</strong></em></td>
</tr>
<tr>
<td style="width: 50%; text-align: left;"><em><strong style="color: #1b96cf;">EINDRINGKÖRPERGEOMETRIE</strong></em></td>
<td style="width: 52.497%; text-align: right;"><em><strong>120o Rockwell C</strong></em></td>
</tr>
<tr>
<td style="width: 50%; text-align: left;"><em><strong style="color: #1b96cf;">INDENTER MATERIAL (Spitze)</strong></em></td>
<td style="width: 52.497%; text-align: right;"><em><strong>Diamant</strong></em></td>
</tr>
<tr>
<td style="width: 50%; text-align: left;"><em><strong style="color: #1b96cf;">RADIUS DER EINDRINGKÖRPERSPITZE </strong></em></td>
<td style="width: 52.497%; text-align: right;"><em><strong>200 μm</strong></em></td>
</tr>
</tbody>
</table>								</div>
				</div>
					</div>
		</div>
					</div>
		</section>
				<section class="elementor-section elementor-top-section elementor-element elementor-element-c8c9bdf elementor-section-boxed elementor-section-height-default elementor-section-height-default" data-id="c8c9bdf" data-element_type="section">
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					<div class="elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-724e51f" data-id="724e51f" data-element_type="column">
			<div class="elementor-widget-wrap elementor-element-populated">
						<div class="elementor-element elementor-element-ec6977f elementor-widget elementor-widget-heading" data-id="ec6977f" data-element_type="widget" data-widget_type="heading.default">
				<div class="elementor-widget-container">
					<h2 class="elementor-heading-title elementor-size-default">ERGEBNISSE &amp; DISKUSSION</h2>				</div>
				</div>
				<div class="elementor-element elementor-element-51ed2c5 elementor-widget elementor-widget-heading" data-id="51ed2c5" data-element_type="widget" data-widget_type="heading.default">
				<div class="elementor-widget-container">
					<h3 class="elementor-heading-title elementor-size-default">LINEARER HIN- UND HERGESTELLTER VERSCHLEIß MIT EINEM TRIBOMETER</h3>				</div>
				</div>
				<div class="elementor-element elementor-element-dcde8ed elementor-widget elementor-widget-text-editor" data-id="dcde8ed" data-element_type="widget" data-widget_type="text-editor.default">
				<div class="elementor-widget-container">
									<p>Der in situ aufgezeichnete COF ist in ABBILDUNG 1 dargestellt. Die Testprobe wies während der ersten 130 Umdrehungen einen COF von ~0,18 auf, was auf die geringe Klebrigkeit von PTFE zurückzuführen ist. Allerdings kam es zu einem plötzlichen Anstieg des COF auf ~1, sobald die Beschichtung durchbrach und das darunter liegende Substrat freilegte. Im Anschluss an die linearen Hin- und Herbewegungstests wurde das Verschleißspurprofil mit dem NANOVEA gemessen <a href="https://nanovea.com/profilometers/">Berührungsloses optisches Profilometer</a>, wie in ABBILDUNG 2 dargestellt. Aus den erhaltenen Daten wurde die entsprechende Verschleißrate mit ~2,78 × 10-3 mm3/Nm berechnet, während die Tiefe der Verschleißspur mit 44,94 µm ermittelt wurde.</p>								</div>
				</div>
				<div class="elementor-element elementor-element-ebeca8a elementor-widget elementor-widget-image" data-id="ebeca8a" data-element_type="widget" data-widget_type="image.default">
				<div class="elementor-widget-container">
															<img loading="lazy" decoding="async" width="600" height="343" src="https://nanovea.com/wp-content/uploads/2023/06/PTFE-tribological-testing-of-cookware-coatings.jpg" class="attachment-medium_large size-medium_large wp-image-22868" alt="PTFE-BESCHICHTUNG VERSCHLEISSSTUDIE" />															</div>
				</div>
				<div class="elementor-element elementor-element-56fb15b elementor-widget elementor-widget-text-editor" data-id="56fb15b" data-element_type="widget" data-widget_type="text-editor.default">
				<div class="elementor-widget-container">
									Testaufbau für den PTFE-Beschichtungsverschleiß auf dem NANOVEA T50 Tribometer.								</div>
				</div>
				<div class="elementor-element elementor-element-7d46f96 elementor-widget elementor-widget-image" data-id="7d46f96" data-element_type="widget" data-widget_type="image.default">
				<div class="elementor-widget-container">
															<img loading="lazy" decoding="async" width="768" height="303" src="https://nanovea.com/wp-content/uploads/2023/06/PTFE-Coefficient-of-Friction-COF.jpg" class="attachment-medium_large size-medium_large wp-image-22863" alt="TEFLON COF" />															</div>
				</div>
				<div class="elementor-element elementor-element-0a82ff4 elementor-widget elementor-widget-text-editor" data-id="0a82ff4" data-element_type="widget" data-widget_type="text-editor.default">
				<div class="elementor-widget-container">
									<p style="text-align: center;"><span class="fontstyle0" style="color: #1b96cf;">ABBILDUNG 1:</span><span class="fontstyle0" style="color: #000000;"> COF-Entwicklung während des PTFE-Beschichtungsverschleißtests.</span></p>								</div>
				</div>
				<div class="elementor-element elementor-element-bb143b0 elementor-widget elementor-widget-image" data-id="bb143b0" data-element_type="widget" data-widget_type="image.default">
				<div class="elementor-widget-container">
															<img loading="lazy" decoding="async" width="768" height="284" src="https://nanovea.com/wp-content/uploads/2023/06/PTFE-QC-Wear-Track.jpg" class="attachment-medium_large size-medium_large wp-image-22864" alt="PTFE-VERSCHLEISSTEST" />															</div>
				</div>
				<div class="elementor-element elementor-element-e8eb8fa elementor-widget elementor-widget-text-editor" data-id="e8eb8fa" data-element_type="widget" data-widget_type="text-editor.default">
				<div class="elementor-widget-container">
									<p style="text-align: center;"><span class="fontstyle0" style="color: #1b96cf;">ABBILDUNG 2:</span><span class="fontstyle0" style="color: #000000;"> Profilextraktion der Verschleißspur PTFE.</span></p>								</div>
				</div>
				<section class="elementor-section elementor-inner-section elementor-element elementor-element-5af507a elementor-section-boxed elementor-section-height-default elementor-section-height-default" data-id="5af507a" data-element_type="section">
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					<div class="elementor-column elementor-col-50 elementor-inner-column elementor-element elementor-element-ce74c3b" data-id="ce74c3b" data-element_type="column">
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						<div class="elementor-element elementor-element-43cc09b elementor-widget elementor-widget-heading" data-id="43cc09b" data-element_type="widget" data-widget_type="heading.default">
				<div class="elementor-widget-container">
					<h3 class="elementor-heading-title elementor-size-default">PTFE Vor dem Durchbruch</h3>				</div>
				</div>
				<div class="elementor-element elementor-element-d0f1ac7 elementor-widget elementor-widget-text-editor" data-id="d0f1ac7" data-element_type="widget" data-widget_type="text-editor.default">
				<div class="elementor-widget-container">
									<table style="border-collapse: collapse; width: 100%;">
<tbody>
<tr>
<td style="width: 50%; text-align: left;"><em><strong style="color: #1b96cf;">Max COF</strong></em></td>
<td style="width: 52.497%; text-align: right;"><em><strong>0.217</strong></em></td>
</tr>
<tr>
<td style="width: 50%; text-align: left;"><em><strong style="color: #1b96cf;">Min COF</strong></em></td>
<td style="width: 52.497%; text-align: right;"><em><strong>0.125</strong></em></td>
</tr>
<tr>
<td style="width: 50%; text-align: left;"><em><strong style="color: #1b96cf;">Durchschnittlicher COF</strong></em></td>
<td style="width: 52.497%; text-align: right;"><em><strong>0.177</strong></em></td>
</tr>
</tbody>
</table>								</div>
				</div>
					</div>
		</div>
				<div class="elementor-column elementor-col-50 elementor-inner-column elementor-element elementor-element-a891337" data-id="a891337" data-element_type="column">
			<div class="elementor-widget-wrap elementor-element-populated">
						<div class="elementor-element elementor-element-8866853 elementor-widget elementor-widget-heading" data-id="8866853" data-element_type="widget" data-widget_type="heading.default">
				<div class="elementor-widget-container">
					<h3 class="elementor-heading-title elementor-size-default">PTFE Nach Durchbruch</h3>				</div>
				</div>
				<div class="elementor-element elementor-element-3484322 elementor-widget elementor-widget-text-editor" data-id="3484322" data-element_type="widget" data-widget_type="text-editor.default">
				<div class="elementor-widget-container">
									<table style="border-collapse: collapse; width: 100%;">
<tbody>
<tr>
<td style="width: 50%; text-align: left;"><em><strong style="color: #1b96cf;">Max COF</strong></em></td>
<td style="width: 52.497%; text-align: right;"><em><strong>0.217</strong></em></td>
</tr>
<tr>
<td style="width: 50%; text-align: left;"><em><strong style="color: #1b96cf;">Min COF</strong></em></td>
<td style="width: 52.497%; text-align: right;"><em><strong>0.125</strong></em></td>
</tr>
<tr>
<td style="width: 50%; text-align: left;"><em><strong style="color: #1b96cf;">Durchschnittlicher COF</strong></em></td>
<td style="width: 52.497%; text-align: right;"><em><strong>0.177</strong></em></td>
</tr>
</tbody>
</table>								</div>
				</div>
					</div>
		</div>
					</div>
		</section>
				<div class="elementor-element elementor-element-3455e16 elementor-widget elementor-widget-text-editor" data-id="3455e16" data-element_type="widget" data-widget_type="text-editor.default">
				<div class="elementor-widget-container">
									<p style="text-align: center;"><span class="fontstyle0" style="color: #1b96cf;">TABELLE 1:</span><span class="fontstyle0" style="color: #000000;"> COF vor und nach Durchbruch beim Verschleißtest.</span></p>								</div>
				</div>
					</div>
		</div>
					</div>
		</section>
				<section class="elementor-section elementor-top-section elementor-element elementor-element-d3e37f5 elementor-section-boxed elementor-section-height-default elementor-section-height-default" data-id="d3e37f5" data-element_type="section">
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				<div class="elementor-widget-container">
					<h2 class="elementor-heading-title elementor-size-default">ERGEBNISSE &amp; DISKUSSION</h2>				</div>
				</div>
				<div class="elementor-element elementor-element-29d3f80 elementor-widget elementor-widget-heading" data-id="29d3f80" data-element_type="widget" data-widget_type="heading.default">
				<div class="elementor-widget-container">
					<h3 class="elementor-heading-title elementor-size-default">Mikrokratz-Haftungstest mit mechanischem Tester</h3>				</div>
				</div>
				<div class="elementor-element elementor-element-380bdec elementor-widget elementor-widget-text-editor" data-id="380bdec" data-element_type="widget" data-widget_type="text-editor.default">
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									<p>Die Haftung der PTFE-Beschichtung auf dem Untergrund wird mittels Kratztests mit einem 200 µm Diamantstift gemessen. Die mikroskopische Aufnahme ist in ABBILDUNG 3 und ABBILDUNG 4 dargestellt. Die Entwicklung des COF und der Eindringtiefe ist in ABBILDUNG 5 dargestellt. Die Ergebnisse des Kratztests für die PTFE-Beschichtung sind in TABELLE 4 zusammengefasst. Mit zunehmender Belastung des Diamantstifts drang dieser zunehmend in die Beschichtung ein. was zu einer Erhöhung des COF führt. Bei Erreichen einer Belastung von ~8,5 N erfolgte der Durchbruch der Beschichtung und die Freilegung des Substrats unter hohem Druck, was zu einem hohen COF von ~0,3 führte. Der in TABELLE 2 gezeigte niedrige St Dev zeigt die Wiederholbarkeit des mit dem NANOVEA Mechanical Tester durchgeführten Kratztests für die PTFE-Beschichtung.</p>								</div>
				</div>
				<div class="elementor-element elementor-element-c5b6e9a elementor-widget elementor-widget-image" data-id="c5b6e9a" data-element_type="widget" data-widget_type="image.default">
				<div class="elementor-widget-container">
															<img loading="lazy" decoding="async" width="768" height="247" src="https://nanovea.com/wp-content/uploads/2023/06/PTFE-scratch-test.jpg" class="attachment-medium_large size-medium_large wp-image-22865" alt="PTFE BESCHICHTUNG TEST" />															</div>
				</div>
				<div class="elementor-element elementor-element-6c3284e elementor-widget elementor-widget-text-editor" data-id="6c3284e" data-element_type="widget" data-widget_type="text-editor.default">
				<div class="elementor-widget-container">
									<p style="text-align: center;"><span class="fontstyle0" style="color: #1b96cf;">ABBILDUNG 3:</span><span class="fontstyle0" style="color: #000000;"> Mikroaufnahme des vollständigen Kratzers auf PTFE (10X).</span></p>								</div>
				</div>
				<div class="elementor-element elementor-element-0300e3b elementor-widget elementor-widget-image" data-id="0300e3b" data-element_type="widget" data-widget_type="image.default">
				<div class="elementor-widget-container">
															<img loading="lazy" decoding="async" width="768" height="466" src="https://nanovea.com/wp-content/uploads/2023/06/PTFE-scratch-testing-NANOVEA.jpg" class="attachment-medium_large size-medium_large wp-image-22866" alt="PTFE-BESCHICHTUNG KRATZTEST" />															</div>
				</div>
				<div class="elementor-element elementor-element-9d031a5 elementor-widget elementor-widget-text-editor" data-id="9d031a5" data-element_type="widget" data-widget_type="text-editor.default">
				<div class="elementor-widget-container">
									<p style="text-align: center;"><span class="fontstyle0" style="color: #1b96cf;">ABBILDUNG 4:</span><span class="fontstyle0" style="color: #000000;"> Mikroaufnahme des vollständigen Kratzers auf PTFE (10X).</span></p>								</div>
				</div>
				<div class="elementor-element elementor-element-61723a1 elementor-widget elementor-widget-image" data-id="61723a1" data-element_type="widget" data-widget_type="image.default">
				<div class="elementor-widget-container">
															<img loading="lazy" decoding="async" width="768" height="315" src="https://nanovea.com/wp-content/uploads/2023/06/PTFE-testing-critical-point-of-failure.jpg" class="attachment-medium_large size-medium_large wp-image-22867" alt="PTFE-BESCHICHTUNG REIBUNGSTEST" />															</div>
				</div>
				<div class="elementor-element elementor-element-3fdb4a6 elementor-widget elementor-widget-text-editor" data-id="3fdb4a6" data-element_type="widget" data-widget_type="text-editor.default">
				<div class="elementor-widget-container">
									<p style="text-align: center;"><span class="fontstyle0" style="color: #1b96cf;">ABBILDUNG 5:</span><span class="fontstyle0" style="color: #000000;"> Reibungsdiagramm, das die Linie des kritischen Versagenspunkts für PTFE zeigt.</span></p>								</div>
				</div>
				<div class="elementor-element elementor-element-c7cfe10 elementor-widget elementor-widget-text-editor" data-id="c7cfe10" data-element_type="widget" data-widget_type="text-editor.default">
				<div class="elementor-widget-container">
									<table style="border-collapse: collapse; width: 90.0426%; height: 216px;">
<tbody>
<tr style="height: 48px;">
<td style="width: 20%; height: 48px;"><b><i>SCRATCH</i></b></td>
<td style="width: 20%; height: 48px;"><b><i>Fehlerpunkt [N]</i></b></td>
<td style="width: 20%; height: 48px;"><b><i>Reibungskraft [N]</i></b></td>
<td style="width: 20%; height: 48px;"><b><i>COF</i></b></td>
</tr>
<tr style="height: 24px;">
<td style="width: 20%; height: 24px;">1</td>
<td style="width: 20%; height: 24px;">0.335</td>
<td style="width: 20%; height: 24px;">0.124</td>
<td style="width: 20%; height: 24px;">0.285</td>
</tr>
<tr style="height: 24px;">
<td style="width: 20%; height: 24px;">2</td>
<td style="width: 20%; height: 24px;">0.337</td>
<td style="width: 20%; height: 24px;">0.207</td>
<td style="width: 20%; height: 24px;">0.310</td>
</tr>
<tr style="height: 24px;">
<td style="width: 20%; height: 24px;">3</td>
<td style="width: 20%; height: 24px;">0.380</td>
<td style="width: 20%; height: 24px;">0.229</td>
<td style="width: 20%; height: 24px;">0.295</td>
</tr>
<tr style="height: 24px;">
<td style="width: 20%; height: 24px;">Durchschnitt</td>
<td style="width: 20%; height: 24px;">8.52</td>
<td style="width: 20%; height: 24px;">2.47</td>
<td style="width: 20%; height: 24px;">0.297</td>
</tr>
<tr style="height: 24px;">
<td style="width: 20%; height: 24px;">St. Dev</td>
<td style="width: 20%; height: 24px;">0.17</td>
<td style="width: 20%; height: 24px;">0.16</td>
<td style="width: 20%; height: 24px;">0.012</td>
</tr>
</tbody>
</table>								</div>
				</div>
				<div class="elementor-element elementor-element-cfdb718 elementor-widget elementor-widget-text-editor" data-id="cfdb718" data-element_type="widget" data-widget_type="text-editor.default">
				<div class="elementor-widget-container">
									<p style="text-align: center;"><span class="fontstyle0" style="color: #1b96cf;">TABELLE 2:</span><span class="fontstyle0" style="color: #000000;"> Zusammenfassung der kritischen Belastung, der Reibungskraft und des COF während des Kratztests.</span></p>								</div>
				</div>
					</div>
		</div>
					</div>
		</section>
				<section class="elementor-section elementor-top-section elementor-element elementor-element-93e0d41 elementor-section-boxed elementor-section-height-default elementor-section-height-default" data-id="93e0d41" data-element_type="section">
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					<h2 class="elementor-heading-title elementor-size-default">SCHLUSSFOLGERUNG</h2>				</div>
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				<div class="elementor-element elementor-element-fedc4ac elementor-widget elementor-widget-text-editor" data-id="fedc4ac" data-element_type="widget" data-widget_type="text-editor.default">
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									<p>In dieser Studie haben wir eine Simulation des Verschleißprozesses einer PTFE-Beschichtung für Antihaftpfannen mit dem NANOVEA T50 Tribometer im linearen Hin- und Herbewegungsmodus durchgeführt. Die PTFE-Beschichtung wies einen niedrigen COF von ~0,18 auf, der Durchbruch der Beschichtung erfolgte bei etwa 130 Umdrehungen. Die quantitative Bewertung der Haftung der PTFE-Beschichtung auf dem Metallsubstrat wurde mit dem NANOVEA Mechanical Tester durchgeführt, der die kritische Belastung für das Versagen der Beschichtungshaftung in diesem Test auf ~8,5 N feststellte.</p><p> </p><p>Die NANOVEA-Tribometer bieten präzise und wiederholbare Verschleiß- und Reibungstestfunktionen im ISO- und ASTM-konformen Rotations- und Linearmodus. Sie bieten optionale Module für Hochtemperaturverschleiß, Schmierung und Tribokorrosion, alle integriert in einem einzigen System. Diese Vielseitigkeit ermöglicht es Benutzern, reale Anwendungsumgebungen genauer zu simulieren und ein besseres Verständnis für die Verschleißmechanismen und tribologischen Eigenschaften verschiedener Materialien zu erlangen.</p><p> </p><p>Die mechanischen Tester von NANOVEA bieten Nano-, Mikro- und Makromodule, die jeweils ISO- und ASTM-konforme Eindring-, Kratz- und Verschleißtestmodi umfassen und so die umfassendste und benutzerfreundlichste Palette an Testfunktionen bieten, die in einem einzigen System verfügbar sind.</p>								</div>
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				</div><p>The post <a href="https://nanovea.com/de/verschleisstest-der-ptfe-beschichtung/">PTFE Coating Wear Test</a> appeared first on <a href="https://nanovea.com/de">NANOVEA: Advanced Profilometers, Tribometers, Nanoindenters, and Scratch Testers for Materials Testing</a>.</p>
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		<title>Progressive Abnutzung von Bodenbelägen mit Tribometer</title>
		<link>https://nanovea.com/de/progressive-verschleiskartierung-von-bodenbelagen-mit-tribometer/?utm_source=rss&#038;utm_medium=rss&#038;utm_campaign=progressive-wear-mapping-of-flooring-using-tribometer</link>
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		<dc:creator><![CDATA[nanovea]]></dc:creator>
		<pubdate>Tue, 06 Jun 2023 15:51:48 +0000</pubdate>
				<category><![CDATA[Application Notes]]></category>
		<category><![CDATA[Laboratory Testing]]></category>
		<category><![CDATA[Profilometry | Volume and Area]]></category>
		<category><![CDATA[Ring on Ring Tribology]]></category>
		<category><![CDATA[Tribology Testing]]></category>
		<guid ispermalink="false">https://nanovea.com/?p=22326</guid>

					<description><![CDATA[<p>Flooring Wear Testing Progressive Wear Mapping of Flooring​ using Tribometer with integrated Profilometer Prepared by FRANK LIU INTRODUCTION Flooring materials are designed to be durable, but they often suﬀer wear and tear from everyday activities such as movement and furniture use. To ensure their longevity, most types of ﬂooring have a protective wear layer that [&#8230;]</p>
<p>The post <a href="https://nanovea.com/de/progressive-verschleiskartierung-von-bodenbelagen-mit-tribometer/">Progressive Wear Mapping of Flooring using Tribometer</a> appeared first on <a href="https://nanovea.com/de">NANOVEA: Advanced Profilometers, Tribometers, Nanoindenters, and Scratch Testers for Materials Testing</a>.</p>
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					<h1 class="elementor-heading-title elementor-size-default">Prüfung der Abriebfestigkeit von Bodenbelägen</h1>				</div>
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					<h2 class="elementor-heading-title elementor-size-default">Progressive Verschleißkartierung von Bodenbelägen unter Verwendung eines Tribometers mit integriertem Profilometer</h2>				</div>
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															<img loading="lazy" decoding="async" width="768" height="217" src="https://nanovea.com/wp-content/uploads/2023/06/Floor-QC-Progressive-Wear-Testing-on-Flooring.jpg" class="attachment-medium_large size-medium_large wp-image-22330" alt="Prüfung der Abriebfestigkeit von Bodenbelägen" />															</div>
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					<h2 class="elementor-heading-title elementor-size-default">Vorbereitet von</h2>				</div>
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					<h2 class="elementor-heading-title elementor-size-default">FRANK LIU</h2>				</div>
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					<h2 class="elementor-heading-title elementor-size-default">EINFÜHRUNG</h2>				</div>
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									<p>Bodenbeläge sind auf Langlebigkeit ausgelegt, unterliegen jedoch häufig der Abnutzung durch alltägliche Aktivitäten wie Bewegung und Möbelnutzung. Um ihre Langlebigkeit zu gewährleisten, verfügen die meisten Bodenbeläge über eine schützende Nutzschicht, die Beschädigungen widersteht. Die Dicke und Haltbarkeit der Nutzschicht variiert jedoch je nach Bodenbelagsart und Beanspruchungsgrad. Darüber hinaus weisen verschiedene Schichten innerhalb der Bodenbelagsstruktur, wie UV-Beschichtungen, Dekorschichten und Glasuren, unterschiedliche Abnutzungsraten auf. Hier kommt die progressive Verschleißkartierung ins Spiel. Mit dem NANOVEA T2000 Tribometer mit integriertem <a style="background-color: #ffffff;" href="https://nanovea.com/profilometers/">3D berührungsloses Profilometer</a>Eine präzise Überwachung und Analyse der Leistung und Langlebigkeit von Bodenbelagsmaterialien ist möglich. Durch detaillierte Einblicke in das Abnutzungsverhalten verschiedener Bodenbelagsmaterialien können Wissenschaftler und Techniker fundiertere Entscheidungen bei der Auswahl und Gestaltung neuer Bodenbelagssysteme treffen.</p>								</div>
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					<h3 class="elementor-heading-title elementor-size-default">BEDEUTUNG DER PROGRESSIVEN VERSCHLEISSABBILDUNG FÜR BODENPLATTEN</h3>				</div>
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									<p>Bei der Prüfung von Bodenbelägen wird traditionell die Abnutzungsrate einer Probe untersucht, um ihre Beständigkeit gegen Verschleiß zu bestimmen. Mit der progressiven Abnutzungskartierung kann jedoch die Abnutzungsrate der Probe während des gesamten Tests analysiert werden, was wertvolle Einblicke in das Abnutzungsverhalten liefert. Diese eingehende Analyse ermöglicht Korrelationen zwischen Reibungsdaten und Verschleißrate, wodurch die Grundursachen des Verschleißes ermittelt werden können. Es ist zu beachten, dass die Verschleißraten bei Verschleißtests nicht konstant sind. Die Beobachtung des Verschleißverlaufs ermöglicht daher eine genauere Beurteilung des Verschleißes der Probe. Die Einführung der progressiven Abnutzungskartierung hat über die traditionellen Prüfmethoden hinaus zu bedeutenden Fortschritten auf dem Gebiet der Bodenbelagsprüfung beigetragen.</p>								</div>
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									<div class="group w-full text-gray-800 dark:text-gray-100 border-b border-black/10 dark:border-gray-900/50 bg-gray-50 dark:bg-[#444654]"><div class="flex p-4 gap-4 text-base md:gap-6 md:max-w-2xl lg:max-w-xl xl:max-w-3xl md:py-6 lg:px-0 m-auto"><div class="relative flex w-[calc(100%-50px)] flex-col gap-1 md:gap-3 lg:w-[calc(100%-115px)]"><div class="flex flex-grow flex-col gap-3"><div class="min-h-[20px] flex flex-col items-start gap-4 whitespace-pre-wrap break-words"><div class="markdown prose w-full break-words dark:prose-invert light"><p>Das NANOVEA T2000 Tribometer mit integriertem berührungslosen 3D-Profilometer ist eine bahnbrechende Lösung für Verschleißtests und Volumenverlustmessungen. Seine Fähigkeit, sich präzise zwischen dem Stift und dem Profilometer zu bewegen, garantiert die Zuverlässigkeit der Ergebnisse, indem es Abweichungen im Radius oder in der Position der Verschleißspur eliminiert. Aber das ist noch nicht alles – die erweiterten Funktionen des 3D-Berührungslos-Profilometers ermöglichen Hochgeschwindigkeits-Oberflächenmessungen und reduzieren die Scanzeit auf nur wenige Sekunden. Mit der Fähigkeit, Lasten von bis zu 2.000 N aufzubringen und Schleudergeschwindigkeiten von bis zu 5.000 U/min zu erreichen, ist die NANOVEA T2000 <a href="https://nanovea.com/tribometers/">Tribometer</a> bietet Vielseitigkeit und Präzision im Bewertungsprozess. Es ist klar, dass diese Ausrüstung eine entscheidende Rolle bei der Kartierung des fortschreitenden Verschleißes spielt.</p></div></div></div><div class="flex justify-between lg:block"><div class="text-gray-400 flex self-end lg:self-center justify-center mt-2 gap-2 md:gap-3 lg:gap-1 lg:absolute lg:top-0 lg:translate-x-full lg:right-0 lg:mt-0 lg:pl-2 visible"> </div></div></div></div></div>								</div>
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															<img loading="lazy" decoding="async" width="555" height="448" src="https://nanovea.com/wp-content/uploads/2023/06/Wear-Testing-Sample-Setup.jpg" class="attachment-large size-large wp-image-22347" alt="Prüfung der Abriebfestigkeit von Bodenbelägen mit einem Tribometer" />															</div>
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															<img loading="lazy" decoding="async" width="458" height="446" src="https://nanovea.com/wp-content/uploads/2023/06/Post-wear-test-wear-track-profilometry.jpg" class="attachment-large size-large wp-image-22333" alt="Prüfung der Abriebfestigkeit von Bodenbelägen mit einem Profilometer" />															</div>
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									<p style="text-align: center;"><span class="fontstyle0" style="color: #1b96cf;">ABBILDUNG 1:</span><span class="fontstyle0" style="color: #000000;"> Aufbau der Probe vor der Verschleißprüfung
(links) und Profilometrie der Abnutzungsspur nach der Prüfung (rechts).</span></p>								</div>
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					<h2 class="elementor-heading-title elementor-size-default">MESSZIEL</h2>				</div>
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									<p>Progressive Verschleißtests wurden an zwei Arten von Bodenbelägen durchgeführt: Stein und Holz. Jede Probe wurde insgesamt 7 Testzyklen mit ansteigender Testdauer von 2, 4, 8, 20, 40, 60 und 120 Sekunden unterzogen, um einen Vergleich der Abnutzung über die Zeit zu ermöglichen. Nach jedem Testzyklus wurde die Verschleißspur mit dem berührungslosen 3D-Profilometer NANOVEA profiliert. Anhand der vom Profilometer erfassten Daten können das Volumen des Lochs und die Verschleißrate mit den integrierten Funktionen der NANOVEA Tribometer-Software oder unserer Oberflächenanalyse-Software Mountains analysiert werden.</p>								</div>
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									<p style="text-align: center; font-size: 20pt; color: black;">NANOVEA <span style="font-size: 20pt; color: #1b96cf;">T2000 Hohe Belastung</span><br />Pneumatisches Tribometer</p>								</div>
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																<a href="https://nanovea.com/instruments/t2000/">
							<img loading="lazy" decoding="async" width="591" height="579" src="https://nanovea.com/wp-content/uploads/2022/06/NANOVEA-Tribometer-T2000.png" class="elementor-animation-grow attachment-medium_large size-medium_large wp-image-20089" alt="NANOVEA T2000 Pneumatisches Tribometer für hohe Belastungen" />								</a>
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					<h2 class="elementor-heading-title elementor-size-default">DIE MUSTER</h2>				</div>
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															<img loading="lazy" decoding="async" width="458" height="456" src="https://nanovea.com/wp-content/uploads/2023/06/Wood-Floor-and-Stone-Flooring-Wear-Test.jpg" class="attachment-medium_large size-medium_large wp-image-22348" alt="wear mapping test samples Holz und Stein" />															</div>
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					<h2 class="elementor-heading-title elementor-size-default">PARAMETER DER VERSCHLEISSABBILDUNGSTESTS</h2>				</div>
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									<table style="border-collapse: collapse; width: 102.375%;"><tbody><tr><td style="width: 50%; text-align: left;"><em><strong style="color: #1b96cf;">LOAD</strong></em></td><td style="width: 52.497%; text-align: right;"><em><strong>40 N</strong></em></td></tr><tr><td style="width: 50%; text-align: left;"><em><strong style="color: #1b96cf;">TESTDAUER</strong></em></td><td style="width: 52.497%; text-align: right;"><em><strong>variiert</strong></em></td></tr><tr><td style="width: 50%; text-align: left;"><em><strong style="color: #1b96cf;">SPEED</strong></em></td><td style="width: 52.497%; text-align: right;"><em><strong>200 Umdrehungen pro Minute</strong></em></td></tr><tr><td style="width: 50%; text-align: left;"><em><strong style="color: #1b96cf;">RADIUS</strong></em></td><td style="width: 52.497%; text-align: right;"><em><strong>10 mm</strong></em></td></tr><tr><td style="width: 50%; text-align: left;"><em><strong style="color: #1b96cf;">DISTANZ</strong></em></td><td style="width: 52.497%; text-align: right;"><em><strong>variiert</strong></em></td></tr><tr><td style="width: 50%; text-align: left;"><em><strong style="color: #1b96cf;">KUGELMATERIAL</strong></em></td><td style="width: 52.497%; text-align: right;"><em><strong>Wolframkarbid</strong></em></td></tr><tr><td style="width: 50%; text-align: left;"><em><strong style="color: #1b96cf;">KUGEL-DIAMETER</strong></em></td><td style="width: 52.497%; text-align: right;"><em><strong>10 mm</strong></em></td></tr></tbody></table>								</div>
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									<p style="text-align: center;">Die Testdauer für die 7 Zyklen betrug <span class="fontstyle0" style="color: #1b96cf;">2, 4, 8, 20, 40, 60 und 120 Sekunden</span>jeweils.
Die zurückgelegten Entfernungen waren <span class="fontstyle0" style="color: #1b96cf;">0,40, 0,81, 1,66, 4,16, 8,36, 12,55 und 25,11 Meter.</span></p>								</div>
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						<div class="elementor-element elementor-element-b5ca5d5 elementor-widget elementor-widget-heading" data-id="b5ca5d5" data-element_type="widget" data-widget_type="heading.default">
				<div class="elementor-widget-container">
					<h2 class="elementor-heading-title elementor-size-default">ERGEBNISSE DER VERSCHLEISSKARTIERUNG</h2>				</div>
				</div>
				<div class="elementor-element elementor-element-1552ab3 elementor-widget elementor-widget-heading" data-id="1552ab3" data-element_type="widget" data-widget_type="heading.default">
				<div class="elementor-widget-container">
					<h2 class="elementor-heading-title elementor-size-default">Holzboden</h2>				</div>
				</div>
				<div class="elementor-element elementor-element-7871976 elementor-widget elementor-widget-text-editor" data-id="7871976" data-element_type="widget" data-widget_type="text-editor.default">
				<div class="elementor-widget-container">
									<table style="border-collapse: collapse; width: 90.0426%; height: 216px;"><tbody><tr style="height: 48px;"><td style="width: 20%; height: 48px;"><b><i>Test-Zyklus</i></b></td><td style="width: 20%; height: 48px;"><b><i>Max COF</i></b></td><td style="width: 20%; height: 48px;"><b><i>Min COF</i></b></td><td style="width: 20%; height: 48px;"><b><i>Avg. COF</i></b></td></tr><tr style="height: 24px;"><td style="width: 20%; height: 24px;">1</td><td style="width: 20%; height: 24px;">0.335</td><td style="width: 20%; height: 24px;">0.124</td><td style="width: 20%; height: 24px;">0.275</td></tr><tr style="height: 24px;"><td style="width: 20%; height: 24px;">2</td><td style="width: 20%; height: 24px;">0.337</td><td style="width: 20%; height: 24px;">0.207</td><td style="width: 20%; height: 24px;">0.295</td></tr><tr style="height: 24px;"><td style="width: 20%; height: 24px;">3</td><td style="width: 20%; height: 24px;">0.380</td><td style="width: 20%; height: 24px;">0.229</td><td style="width: 20%; height: 24px;">0.329</td></tr><tr style="height: 24px;"><td style="width: 20%; height: 24px;">4</td><td style="width: 20%; height: 24px;">0.393</td><td style="width: 20%; height: 24px;">0.265</td><td style="width: 20%; height: 24px;">0.354</td></tr><tr style="height: 24px;"><td style="width: 20%; height: 24px;">5</td><td style="width: 20%; height: 24px;">0.352</td><td style="width: 20%; height: 24px;">0.205</td><td style="width: 20%; height: 24px;">0.314</td></tr><tr style="height: 24px;"><td style="width: 20%; height: 24px;">6</td><td style="width: 20%; height: 24px;">0.345</td><td style="width: 20%; height: 24px;">0.199</td><td style="width: 20%; height: 24px;">0.312</td></tr><tr style="height: 24px;"><td style="width: 20%; height: 24px;">7</td><td style="width: 20%; height: 24px;">0.315</td><td style="width: 20%; height: 24px;">0.211</td><td style="width: 20%; height: 24px;">0.293</td></tr></tbody></table><p><em><strong style="color: #1b96cf;"> </strong></em></p><p><em><strong style="color: #1b96cf;">RADIALE ORIENTIERUNG</strong></em></p><table style="border-collapse: collapse; width: 98.7212%; height: 270px;"><tbody><tr style="height: 102px;"><td style="width: 20%; height: 102px;"><b><i>Test-Zyklus</i></b></td><td style="width: 20%; height: 102px;"><b><i>Gesamtvolumenverlust (µm3)</i></b></td><td style="width: 20%; height: 102px;"><b><i>Gesamtabstand<br />Zurückgelegte Strecke (m)</i></b></td><td style="width: 19.723%; height: 102px;"><b><i>Abnutzungsrate<br />(mm/Nm) x10<sup>-5</sup></i></b></td><td style="width: 19.3314%; height: 102px;"><b><i>Momentane Verschleißrate<br />(mm/Nm) x10<sup>-5</sup></i></b></td></tr><tr style="height: 24px;"><td style="width: 20%; height: 24px;">1</td><td style="width: 20%; height: 24px;">296247687</td><td style="width: 20%; height: 24px;">0.40</td><td style="width: 19.723%; height: 24px;">1833.746</td><td style="width: 19.3314%; height: 24px;">1833.746</td></tr><tr style="height: 24px;"><td style="width: 20%; height: 24px;">2</td><td style="width: 20%; height: 24px;">355245227</td><td style="width: 20%; height: 24px;">1.22</td><td style="width: 19.723%; height: 24px;">1093.260</td><td style="width: 19.3314%; height: 24px;">181.5637</td></tr><tr style="height: 24px;"><td style="width: 20%; height: 24px;">3</td><td style="width: 20%; height: 24px;">596371326</td><td style="width: 20%; height: 24px;">2.88</td><td style="width: 19.723%; height: 24px;">898.242</td><td style="width: 19.3314%; height: 24px;">363.1791</td></tr><tr style="height: 24px;"><td style="width: 20%; height: 24px;">4</td><td style="width: 20%; height: 24px;">883747767</td><td style="width: 20%; height: 24px;">7.04</td><td style="width: 19.723%; height: 24px;">530.629</td><td style="width: 19.3314%; height: 24px;">172.5496</td></tr><tr style="height: 24px;"><td style="width: 20%; height: 24px;">5</td><td style="width: 20%; height: 24px;">1207179951</td><td style="width: 20%; height: 24px;">15.40</td><td style="width: 19.723%; height: 24px;">360.889</td><td style="width: 19.3314%; height: 24px;">96.69074</td></tr><tr style="height: 24px;"><td style="width: 20%; height: 24px;">6</td><td style="width: 20%; height: 24px;">1472745318</td><td style="width: 20%; height: 24px;">27.95</td><td style="width: 19.723%; height: 24px;">293.329</td><td style="width: 19.3314%; height: 24px;">52.89311</td></tr><tr style="height: 24px;"><td style="width: 20%; height: 24px;">7</td><td style="width: 20%; height: 24px;">1851319210</td><td style="width: 20%; height: 24px;">53.06</td><td style="width: 19.723%; height: 24px;">184.343</td><td style="width: 19.3314%; height: 24px;">37.69599</td></tr></tbody></table>								</div>
				</div>
				<section class="elementor-section elementor-inner-section elementor-element elementor-element-641ab11 elementor-section-boxed elementor-section-height-default elementor-section-height-default" data-id="641ab11" data-element_type="section">
						<div class="elementor-container elementor-column-gap-default">
					<div class="elementor-column elementor-col-50 elementor-inner-column elementor-element elementor-element-bad4df2" data-id="bad4df2" data-element_type="column">
			<div class="elementor-widget-wrap elementor-element-populated">
						<div class="elementor-element elementor-element-fb0c784 elementor-widget elementor-widget-image" data-id="fb0c784" data-element_type="widget" data-widget_type="image.default">
				<div class="elementor-widget-container">
															<img loading="lazy" decoding="async" width="619" height="403" src="https://nanovea.com/wp-content/uploads/2023/06/Progressive-Tribology-Mapping-of-Flooring-21.jpg" class="attachment-large size-large wp-image-22334" alt="Progressiver Holzverschleiß im Vergleich zur Gesamtstrecke" />															</div>
				</div>
					</div>
		</div>
				<div class="elementor-column elementor-col-50 elementor-inner-column elementor-element elementor-element-af91e9d" data-id="af91e9d" data-element_type="column">
			<div class="elementor-widget-wrap elementor-element-populated">
						<div class="elementor-element elementor-element-dfb76d1 elementor-widget elementor-widget-image" data-id="dfb76d1" data-element_type="widget" data-widget_type="image.default">
				<div class="elementor-widget-container">
															<img loading="lazy" decoding="async" width="619" height="403" src="https://nanovea.com/wp-content/uploads/2023/06/Wood-Floor-Wear-Rate.jpg" class="attachment-large size-large wp-image-22350" alt="Abnutzungsrate von Holzböden" />															</div>
				</div>
					</div>
		</div>
					</div>
		</section>
				<div class="elementor-element elementor-element-143a125 elementor-widget elementor-widget-text-editor" data-id="143a125" data-element_type="widget" data-widget_type="text-editor.default">
				<div class="elementor-widget-container">
									<p style="text-align: center;"><span class="fontstyle0" style="color: #1b96cf;">ABBILDUNG 2:</span><span class="fontstyle0" style="color: #000000;"> Verschleißrate im Vergleich zur zurückgelegten Gesamtstrecke (links)<br />und momentane Abnutzungsrate im Vergleich zum Testzyklus (rechts) für Holzfußböden.</span></p>								</div>
				</div>
				<section class="elementor-section elementor-inner-section elementor-element elementor-element-d103b46 elementor-section-boxed elementor-section-height-default elementor-section-height-default" data-id="d103b46" data-element_type="section">
						<div class="elementor-container elementor-column-gap-default">
					<div class="elementor-column elementor-col-50 elementor-inner-column elementor-element elementor-element-3a5b214" data-id="3a5b214" data-element_type="column">
			<div class="elementor-widget-wrap elementor-element-populated">
						<div class="elementor-element elementor-element-6ff3d30 elementor-widget elementor-widget-image" data-id="6ff3d30" data-element_type="widget" data-widget_type="image.default">
				<div class="elementor-widget-container">
															<img loading="lazy" decoding="async" width="595" height="347" src="https://nanovea.com/wp-content/uploads/2023/06/Wood-Flooring-Wear-Test-COF.jpg" class="attachment-large size-large wp-image-22352" alt="Prüfung des Reibungskoeffizienten von Bodenbelägen" />															</div>
				</div>
					</div>
		</div>
				<div class="elementor-column elementor-col-50 elementor-inner-column elementor-element elementor-element-1cdc909" data-id="1cdc909" data-element_type="column">
			<div class="elementor-widget-wrap elementor-element-populated">
						<div class="elementor-element elementor-element-d57ad14 elementor-widget elementor-widget-image" data-id="d57ad14" data-element_type="widget" data-widget_type="image.default">
				<div class="elementor-widget-container">
															<img loading="lazy" decoding="async" width="585" height="387" src="https://nanovea.com/wp-content/uploads/2023/06/Wood-Floor-Wear-Track-Profilometer.jpg" class="attachment-large size-large wp-image-22351" alt="Kartierung der progressiven Abnutzung von Holzböden" />															</div>
				</div>
					</div>
		</div>
					</div>
		</section>
				<div class="elementor-element elementor-element-aa3cabd elementor-widget elementor-widget-text-editor" data-id="aa3cabd" data-element_type="widget" data-widget_type="text-editor.default">
				<div class="elementor-widget-container">
									<p style="text-align: center;"><span class="fontstyle0" style="color: #1b96cf;">ABBILDUNG 3:</span><span class="fontstyle0" style="color: #000000;"> COF-Diagramm und 3D-Ansicht der Abnutzungsspur von Test #7 auf Holzfußboden.</span></p>								</div>
				</div>
				<div class="elementor-element elementor-element-89ac0ae elementor-widget elementor-widget-image" data-id="89ac0ae" data-element_type="widget" data-widget_type="image.default">
				<div class="elementor-widget-container">
															<img loading="lazy" decoding="async" width="1024" height="172" src="https://nanovea.com/wp-content/uploads/2023/06/Wood-Floor-QC-Tribometer.jpg" class="attachment-large size-large wp-image-22349" alt="Verschleißabbildung extrahiertes Profil" />															</div>
				</div>
				<div class="elementor-element elementor-element-192e2cf elementor-widget elementor-widget-image" data-id="192e2cf" data-element_type="widget" data-widget_type="image.default">
				<div class="elementor-widget-container">
															<img loading="lazy" decoding="async" width="1024" height="274" src="https://nanovea.com/wp-content/uploads/2023/06/Wood-Flooring-Wear-Tester.jpg" class="attachment-large size-large wp-image-22329" alt="Ergebnisse der Abriebtests für Bodenbeläge" />															</div>
				</div>
				<div class="elementor-element elementor-element-7ca0504 elementor-widget elementor-widget-image" data-id="7ca0504" data-element_type="widget" data-widget_type="image.default">
				<div class="elementor-widget-container">
															<img loading="lazy" decoding="async" width="1024" height="305" src="https://nanovea.com/wp-content/uploads/2023/06/Progressive-Tribology-Mapping-of-Flooring-27.jpg" class="attachment-large size-large wp-image-22335" alt="Charakterisierung von Bodenbelägen" />															</div>
				</div>
				<div class="elementor-element elementor-element-56fb15b elementor-widget elementor-widget-text-editor" data-id="56fb15b" data-element_type="widget" data-widget_type="text-editor.default">
				<div class="elementor-widget-container">
									<p style="text-align: center;"><span class="fontstyle0" style="color: #1b96cf;">ABBILDUNG 4:</span><span class="fontstyle0" style="color: #000000;"> Querschnittsanalyse der Holzabriebspur aus Test #7</span></p>								</div>
				</div>
				<div class="elementor-element elementor-element-3a5f744 elementor-widget elementor-widget-image" data-id="3a5f744" data-element_type="widget" data-widget_type="image.default">
				<div class="elementor-widget-container">
															<img loading="lazy" decoding="async" width="794" height="910" src="https://nanovea.com/wp-content/uploads/2023/06/Stone-Floor-Wear-Test-Volume-and-Area-Analysis.jpg" class="attachment-large size-large wp-image-22342" alt="Progressive Verschleißkartierung Volumen- und Flächenanalyse" />															</div>
				</div>
				<div class="elementor-element elementor-element-7a3d760 elementor-widget elementor-widget-text-editor" data-id="7a3d760" data-element_type="widget" data-widget_type="text-editor.default">
				<div class="elementor-widget-container">
									<p style="text-align: center;"><span class="fontstyle0" style="color: #1b96cf;">ABBILDUNG 5:</span><span class="fontstyle0" style="color: #000000;"> Volumen- und Flächenanalyse der Abnutzungsspur an der Holzprobe #7.</span></p>								</div>
				</div>
				<div class="elementor-element elementor-element-dc3da62 elementor-widget elementor-widget-text-editor" data-id="dc3da62" data-element_type="widget" data-widget_type="text-editor.default">
				<div class="elementor-widget-container">
									<p style="text-align: center;">
  <a href="https://www.youtube.com/watch?v=iZ8zyF9MD5M">
    <span style="color: #1b96cf; font-size: 1.5em;">Die vollständigen Ergebnisse finden Sie hier.</span>
  </a>
</p>
								</div>
				</div>
					</div>
		</div>
					</div>
		</section>
				<section class="elementor-section elementor-top-section elementor-element elementor-element-1df9a23 elementor-section-boxed elementor-section-height-default elementor-section-height-default" data-id="1df9a23" data-element_type="section">
						<div class="elementor-container elementor-column-gap-no">
					<div class="elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-971dc5c" data-id="971dc5c" data-element_type="column">
			<div class="elementor-widget-wrap elementor-element-populated">
						<div class="elementor-element elementor-element-c91d508 elementor-widget elementor-widget-heading" data-id="c91d508" data-element_type="widget" data-widget_type="heading.default">
				<div class="elementor-widget-container">
					<h2 class="elementor-heading-title elementor-size-default">ERGEBNISSE DER VERSCHLEISSKARTIERUNG</h2>				</div>
				</div>
				<div class="elementor-element elementor-element-eb8bfd6 elementor-widget elementor-widget-heading" data-id="eb8bfd6" data-element_type="widget" data-widget_type="heading.default">
				<div class="elementor-widget-container">
					<h2 class="elementor-heading-title elementor-size-default">Steinboden</h2>				</div>
				</div>
				<div class="elementor-element elementor-element-d6db219 elementor-widget elementor-widget-text-editor" data-id="d6db219" data-element_type="widget" data-widget_type="text-editor.default">
				<div class="elementor-widget-container">
									<table style="border-collapse: collapse; width: 90.0426%; height: 216px;"><tbody><tr style="height: 48px;"><td style="width: 20%; height: 48px;"><b><i>Test-Zyklus</i></b></td><td style="width: 20%; height: 48px;"><b><i>Max COF</i></b></td><td style="width: 20%; height: 48px;"><b><i>Min COF</i></b></td><td style="width: 20%; height: 48px;"><b><i>Avg. COF</i></b></td></tr><tr style="height: 24px;"><td style="width: 20%; height: 24px;">1</td><td style="width: 20%; height: 24px;">0.249</td><td style="width: 20%; height: 24px;">0.035</td><td style="width: 20%; height: 24px;">0.186</td></tr><tr style="height: 24px;"><td style="width: 20%; height: 24px;">2</td><td style="width: 20%; height: 24px;">0.349</td><td style="width: 20%; height: 24px;">0.197</td><td style="width: 20%; height: 24px;">0.275</td></tr><tr style="height: 24px;"><td style="width: 20%; height: 24px;">3</td><td style="width: 20%; height: 24px;">0.294</td><td style="width: 20%; height: 24px;">0.154</td><td style="width: 20%; height: 24px;">0.221</td></tr><tr style="height: 24px;"><td style="width: 20%; height: 24px;">4</td><td style="width: 20%; height: 24px;">0.503</td><td style="width: 20%; height: 24px;">0.124</td><td style="width: 20%; height: 24px;">0.273</td></tr><tr style="height: 24px;"><td style="width: 20%; height: 24px;">5</td><td style="width: 20%; height: 24px;">0.548</td><td style="width: 20%; height: 24px;">0.106</td><td style="width: 20%; height: 24px;">0.390</td></tr><tr style="height: 24px;"><td style="width: 20%; height: 24px;">6</td><td style="width: 20%; height: 24px;">0.510</td><td style="width: 20%; height: 24px;">0.129</td><td style="width: 20%; height: 24px;">0.434</td></tr><tr style="height: 24px;"><td style="width: 20%; height: 24px;">7</td><td style="width: 20%; height: 24px;">0.527</td><td style="width: 20%; height: 24px;">0.181</td><td style="width: 20%; height: 24px;">0.472</td></tr></tbody></table><p><em><strong style="color: #1b96cf;"> </strong></em></p><p><em><strong style="color: #1b96cf;">RADIALE ORIENTIERUNG</strong></em></p><table style="border-collapse: collapse; width: 98.7212%; height: 270px;"><tbody><tr style="height: 102px;"><td style="width: 20%; height: 102px;"><b><i>Test-Zyklus</i></b></td><td style="width: 20%; height: 102px;"><b><i>Gesamtvolumenverlust (µm3)</i></b></td><td style="width: 20%; height: 102px;"><b><i>Gesamtabstand<br />Zurückgelegte Strecke (m)</i></b></td><td style="width: 19.723%; height: 102px;"><b><i>Abnutzungsrate<br />(mm/Nm) x10<sup>-5</sup></i></b></td><td style="width: 19.3314%; height: 102px;"><b><i>Momentane Verschleißrate<br />(mm/Nm) x10<sup>-5</sup></i></b></td></tr><tr style="height: 24px;"><td style="width: 20%; height: 24px;">1</td><td style="width: 20%; height: 24px;">96278846</td><td style="width: 20%; height: 24px;">0.40</td><td style="width: 19.723%; height: 24px;">595.957</td><td style="width: 19.3314%; height: 24px;">595.9573</td></tr><tr style="height: 24px;"><td style="width: 20%; height: 24px;">2</td><td style="width: 20%; height: 24px;">804289731</td><td style="width: 20%; height: 24px;">1.22</td><td style="width: 19.723%; height: 24px;">2475.185</td><td style="width: 19.3314%; height: 24px;">2178.889</td></tr><tr style="height: 24px;"><td style="width: 20%; height: 24px;">3</td><td style="width: 20%; height: 24px;">1316147855</td><td style="width: 20%; height: 24px;">2.88</td><td style="width: 19.723%; height: 24px;">1982.355</td><td style="width: 19.3314%; height: 24px;">770.9501</td></tr><tr style="height: 24px;"><td style="width: 20%; height: 24px;">4</td><td style="width: 20%; height: 24px;">3136530215</td><td style="width: 20%; height: 24px;">7.04</td><td style="width: 19.723%; height: 24px;">1883.269</td><td style="width: 19.3314%; height: 24px;">1093.013</td></tr><tr style="height: 24px;"><td style="width: 20%; height: 24px;">5</td><td style="width: 20%; height: 24px;">10821732180</td><td style="width: 20%; height: 24px;">15.40</td><td style="width: 19.723%; height: 24px;">3235.180</td><td style="width: 19.3314%; height: 24px;">2297.508</td></tr><tr style="height: 24px;"><td style="width: 20%; height: 24px;">6</td><td style="width: 20%; height: 24px;">20174960343</td><td style="width: 20%; height: 24px;">27.95</td><td style="width: 19.723%; height: 24px;">4018.282</td><td style="width: 19.3314%; height: 24px;">1862.899</td></tr><tr style="height: 24px;"><td style="width: 20%; height: 24px;">7</td><td style="width: 20%; height: 24px;">42512063420</td><td style="width: 20%; height: 24px;">53.06</td><td style="width: 19.723%; height: 24px;">4233.081</td><td style="width: 19.3314%; height: 24px;">2224.187</td></tr></tbody></table>								</div>
				</div>
				<section class="elementor-section elementor-inner-section elementor-element elementor-element-636f9cc elementor-section-boxed elementor-section-height-default elementor-section-height-default" data-id="636f9cc" data-element_type="section">
						<div class="elementor-container elementor-column-gap-default">
					<div class="elementor-column elementor-col-50 elementor-inner-column elementor-element elementor-element-a9b8323" data-id="a9b8323" data-element_type="column">
			<div class="elementor-widget-wrap elementor-element-populated">
						<div class="elementor-element elementor-element-300085f elementor-widget elementor-widget-image" data-id="300085f" data-element_type="widget" data-widget_type="image.default">
				<div class="elementor-widget-container">
															<img loading="lazy" decoding="async" width="608" height="401" src="https://nanovea.com/wp-content/uploads/2023/06/Stone-Flooring-Wear-Rate.jpg" class="attachment-large size-large wp-image-22345" alt="Verschleißrate von Steinböden im Vergleich zur Entfernung" />															</div>
				</div>
					</div>
		</div>
				<div class="elementor-column elementor-col-50 elementor-inner-column elementor-element elementor-element-00f4773" data-id="00f4773" data-element_type="column">
			<div class="elementor-widget-wrap elementor-element-populated">
						<div class="elementor-element elementor-element-83b9896 elementor-widget elementor-widget-image" data-id="83b9896" data-element_type="widget" data-widget_type="image.default">
				<div class="elementor-widget-container">
															<img loading="lazy" decoding="async" width="606" height="401" src="https://nanovea.com/wp-content/uploads/2023/06/Stone-Floor-Wear-Rate-Test.jpg" class="attachment-large size-large wp-image-22341" alt="Diagramm für die momentane Abnutzungsrate von Steinböden" />															</div>
				</div>
					</div>
		</div>
					</div>
		</section>
				<div class="elementor-element elementor-element-402cd58 elementor-widget elementor-widget-text-editor" data-id="402cd58" data-element_type="widget" data-widget_type="text-editor.default">
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									<p style="text-align: center;"><span class="fontstyle0" style="color: #1b96cf;">ABBILDUNG 6:</span><span class="fontstyle0" style="color: #000000;"> Verschleißrate im Vergleich zur zurückgelegten Gesamtstrecke (links)<br />und momentane Abnutzungsrate im Vergleich zum Testzyklus (rechts) für Steinböden.</span></p>								</div>
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															<img loading="lazy" decoding="async" width="579" height="325" src="https://nanovea.com/wp-content/uploads/2023/06/Stone-Flooring-Wear-Test-COF.jpg" class="attachment-large size-large wp-image-22346" alt="Tribologische Prüfung der Abriebfestigkeit von Bodenbelägen" />															</div>
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															<img loading="lazy" decoding="async" width="590" height="397" src="https://nanovea.com/wp-content/uploads/2023/06/Stone-Floor-QC-Wear-Track.jpg" class="attachment-large size-large wp-image-22340" alt="Steinboden 3d Profil der Verschleißspur" />															</div>
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									<p style="text-align: center;"><span class="fontstyle0" style="color: #1b96cf;">ABBILDUNG 7:</span><span class="fontstyle0" style="color: #000000;"> COF-Diagramm und 3D-Ansicht der Abnutzungsspur von Test #7 auf Steinboden.</span></p>								</div>
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															<img loading="lazy" decoding="async" width="1024" height="214" src="https://nanovea.com/wp-content/uploads/2023/06/Stone-Floor-Wear-Tester.jpg" class="attachment-large size-large wp-image-22343" alt="Steinböden mit progressivem Verschleiß, extrahiertes Profil" />															</div>
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															<img loading="lazy" decoding="async" width="1024" height="277" src="https://nanovea.com/wp-content/uploads/2023/06/Stone-Flooring-QC-Testing.jpg" class="attachment-large size-large wp-image-22344" alt="Steinböden extrahiert Profil maximale Tiefe und Höhe Bereich des Lochs und Spitze" />															</div>
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															<img loading="lazy" decoding="async" width="1024" height="306" src="https://nanovea.com/wp-content/uploads/2023/06/Progressive-Tribology-Mapping-of-Flooring-35.jpg" class="attachment-large size-large wp-image-22336" alt="Tribologische Prüfung von Bodenbelägen" />															</div>
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									<p style="text-align: center;"><span class="fontstyle0" style="color: #1b96cf;">ABBILDUNG 8:</span><span class="fontstyle0" style="color: #000000;"> Querschnittsanalyse der Steinverschleißspur von Test #7.</span></p>								</div>
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															<img loading="lazy" decoding="async" width="824" height="929" src="https://nanovea.com/wp-content/uploads/2023/06/Progressive-Tribology-Mapping-of-Flooring-36.jpg" class="attachment-large size-large wp-image-22337" alt="Volumenanalyse der fortschreitenden Abnutzung von Holzböden" />															</div>
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									<p style="text-align: center;"><span class="fontstyle0" style="color: #1b96cf;">ABBILDUNG 9:</span><span class="fontstyle0" style="color: #000000;"> Volumen- und Flächenanalyse der Abnutzungsspur an der Steinprobe #7.</span></p>								</div>
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									<p style="text-align: center;"><a href="https://www.youtube.com/watch?v=3VW3AtMbzls"><br /><span style="color: #1b96cf; font-size: 1.5em;">Die vollständigen Ergebnisse finden Sie hier.</span><br /></a></p>								</div>
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					<h2 class="elementor-heading-title elementor-size-default">DISKUSSION</h2>				</div>
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									Die momentane Verschleißrate wird mit der folgenden Gleichung berechnet:
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															<img loading="lazy" decoding="async" width="150" height="44" src="https://nanovea.com/wp-content/uploads/2023/06/Progressive-Tribology-Mapping-of-Flooring-37.jpg" class="attachment-thumbnail size-thumbnail wp-image-22338" alt="Abbildung der progressiven Abnutzung der Bodenbelagsformel" />															</div>
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									<p>Diese Gleichung beschreibt die Verschleißrate zwischen den Prüfzyklen, wobei V das Volumen eines Lochs, N die Last und X die Gesamtstrecke ist. Die momentane Abnutzungsrate kann verwendet werden, um Änderungen der Abnutzungsrate während des Tests besser zu erkennen.</p><p>Beide Proben weisen ein sehr unterschiedliches Abnutzungsverhalten auf. Im Laufe der Zeit beginnt der Holzboden mit einer hohen Abnutzungsrate, sinkt aber schnell auf einen kleineren, gleichmäßigen Wert. Bei den Steinböden scheint die Abnutzungsrate bei einem niedrigen Wert zu beginnen und im Laufe der Zyklen auf einen höheren Wert zu steigen. Auch die momentane Abnutzungsrate zeigt wenig Konstanz. Der genaue Grund für den Unterschied ist nicht sicher, könnte aber auf die Struktur der Proben zurückzuführen sein. Der Steinboden scheint aus losen, kornähnlichen Partikeln zu bestehen, die sich anders abnutzen als die kompakte Struktur des Holzes. Um die Ursache für dieses Abnutzungsverhalten herauszufinden, wären weitere Tests und Untersuchungen erforderlich.</p><p>Die Daten des Reibungskoeffizienten (COF) scheinen mit dem beobachteten Verschleißverhalten übereinzustimmen. Die COF-Kurve für den Holzfußboden scheint über die Zyklen hinweg konsistent zu sein, was die gleichmäßige Verschleißrate ergänzt. Bei den Steinböden steigt der durchschnittliche COF über die Zyklen hinweg an, ähnlich wie die Verschleißrate mit den Zyklen zunimmt. Es gibt auch offensichtliche Veränderungen in der Form der Reibungskurven, was auf Veränderungen in der Wechselwirkung zwischen der Kugel und der Steinprobe hindeutet. Am deutlichsten ist dies in Zyklus 2 und Zyklus 4.</p>								</div>
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					<h2 class="elementor-heading-title elementor-size-default">SCHLUSSFOLGERUNG</h2>				</div>
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									<p>Das NANOVEA T2000 Tribometer zeigt seine Fähigkeit, progressiven Verschleiß zu kartieren, indem es die Verschleißrate zwischen zwei verschiedenen Bodenbelagsproben analysiert. Die Unterbrechung des kontinuierlichen Verschleißtests und das Scannen der Oberfläche mit dem berührungslosen NANOVEA 3D-Profilometer liefert wertvolle Erkenntnisse über das Verschleißverhalten des Materials im Laufe der Zeit.</p><p>Das NANOVEA T2000 Tribometer mit dem integrierten berührungslosen 3D-Profilometer liefert eine Vielzahl von Daten, darunter COF-Daten (Reibungskoeffizient), Oberflächenmessungen, Tiefenmessungen, Oberflächenvisualisierung, Volumenverlust, Verschleißrate und mehr. Diese umfassenden Informationen ermöglichen dem Benutzer ein tieferes Verständnis der Wechselwirkungen zwischen dem System und der Probe. Mit seiner kontrollierten Belastung, der hohen Präzision, der einfachen Bedienung, der hohen Belastung, dem großen Geschwindigkeitsbereich und den zusätzlichen Umgebungsmodulen hebt das NANOVEA T2000 Tribometer die Tribologie auf ein neues Niveau.</p>								</div>
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				</div><p>The post <a href="https://nanovea.com/de/progressive-verschleiskartierung-von-bodenbelagen-mit-tribometer/">Progressive Wear Mapping of Flooring using Tribometer</a> appeared first on <a href="https://nanovea.com/de">NANOVEA: Advanced Profilometers, Tribometers, Nanoindenters, and Scratch Testers for Materials Testing</a>.</p>
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		<title>Dynamisch-mechanische Analyse von Kork mittels Nanoindentation</title>
		<link>https://nanovea.com/de/dynamische-mechanische-analyse-von-kork-mittels-nanoindentation/?utm_source=rss&#038;utm_medium=rss&#038;utm_campaign=dynamic-mechanical-analysis-of-cork-using-nanoindentation</link>
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		<dc:creator><![CDATA[nanovea]]></dc:creator>
		<pubdate>Wed, 17 May 2023 14:15:13 +0000</pubdate>
				<category><![CDATA[Application Notes]]></category>
		<category><![CDATA[Indentation | Hardness and Elastic]]></category>
		<category><![CDATA[Indentation | Loss and Storage]]></category>
		<category><![CDATA[Laboratory Testing]]></category>
		<category><![CDATA[Mechanical Testing]]></category>
		<guid ispermalink="false">https://nanovea.com/?p=22101</guid>

					<description><![CDATA[<p>DYNAMIC MECHANICAL ANALYSIS OF CORK USING NANOINDENTATION Prepared by FRANK LIU INTRODUCTION Dynamic Mechanical Analysis (DMA) is a powerful technique used to investigate the mechanical properties of materials. In this application, we focus on the analysis of cork, a widely used material in wine sealing and aging processes. Cork, obtained from the bark of the [&#8230;]</p>
<p>The post <a href="https://nanovea.com/de/dynamische-mechanische-analyse-von-kork-mittels-nanoindentation/">Dynamic Mechanical Analysis of Cork Using Nanoindentation</a> appeared first on <a href="https://nanovea.com/de">NANOVEA: Advanced Profilometers, Tribometers, Nanoindenters, and Scratch Testers for Materials Testing</a>.</p>
]]></description>
										<content:encoded><![CDATA[<div data-elementor-type="wp-post" data-elementor-id="22101" class="elementor elementor-22101" data-elementor-post-type="post">
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					<h1 class="elementor-heading-title elementor-size-default">DYNAMISCHE MECHANISCHE ANALYSE</h1>				</div>
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					<h2 class="elementor-heading-title elementor-size-default">VON KORK MITTELS NANOINDENTATION
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															<img loading="lazy" decoding="async" width="768" height="217" src="https://nanovea.com/wp-content/uploads/2023/05/Dynamic-Mechanical-Analysis-of-Cork-with-Nanoindentation.jpg" class="attachment-medium_large size-medium_large wp-image-22111" alt="" />															</div>
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					<h2 class="elementor-heading-title elementor-size-default">Vorbereitet von</h2>				</div>
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					<h2 class="elementor-heading-title elementor-size-default">FRANK LIU</h2>				</div>
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					<h2 class="elementor-heading-title elementor-size-default">EINFÜHRUNG</h2>				</div>
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									<p>Die dynamisch-mechanische Analyse (DMA) ist eine leistungsstarke Technik zur Untersuchung der mechanischen Eigenschaften von Materialien. In dieser Anwendung konzentrieren wir uns auf die Analyse von Kork, einem weit verbreiteten Material für die Versiegelung und Reifung von Wein. Kork, der aus der Rinde der Eiche Quercus suber gewonnen wird, weist ausgeprägte zelluläre Strukturen auf, die mechanische Eigenschaften aufweisen, die denen von synthetischen Polymeren ähneln. In einer Achse hat der Kork eine wabenförmige Struktur. Die beiden anderen Achsen sind in mehrere rechteckige Prismen unterteilt. Dies verleiht dem Kork je nach der geprüften Ausrichtung unterschiedliche mechanische Eigenschaften.</p>								</div>
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					<h2 class="elementor-heading-title elementor-size-default">BEDEUTUNG DER DYNAMISCH-MECHANISCHEN ANALYSE (DMA) BEI DER BEWERTUNG DER MECHANISCHEN EIGENSCHAFTEN VON KORK</h2>				</div>
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									<p>Die Qualität von Korken hängt in hohem Maße von ihren mechanischen und physikalischen Eigenschaften ab, die für ihre Effektivität beim Verschließen von Wein entscheidend sind. Zu den Schlüsselfaktoren, die die Korkqualität bestimmen, gehören Flexibilität, Isolierung, Elastizität und Undurchlässigkeit für Gas und Flüssigkeiten. Mit Hilfe der dynamisch-mechanischen Analyse (DMA) können wir die Elastizität und das Rückstellvermögen von Korken quantitativ bewerten und so eine zuverlässige Methode zur Beurteilung bieten.</p><p>Der mechanische Tester NANOVEA PB1000 im <a href="https://nanovea.com/nano-indentation-tester/">Nanoindentation</a> Modus ermöglicht die Charakterisierung dieser Eigenschaften, insbesondere des Elastizitätsmoduls, des Speichermoduls, des Verlustmoduls und des tan delta (tan (δ)). Die DMA-Prüfung ermöglicht auch die Erfassung wertvoller Daten zu Phasenverschiebung, Härte, Spannung und Dehnung des Korkmaterials. Durch diese umfassenden Analysen erhalten wir tiefere Einblicke in das mechanische Verhalten von Korken und ihre Eignung für Weinverschlussanwendungen.</p>								</div>
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									<p style="text-align: left;">MESSZIEL</p>								</div>
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									<p>In dieser Studie wird die dynamisch-mechanische Analyse (DMA) von vier Korken mit dem NANOVEA PB1000 Mechanikprüfgerät im Nanoindentationsmodus durchgeführt. Die Qualität der Korken ist wie folgt gekennzeichnet: 1 - Flor, 2 - First, 3 - Colmated, 4 - Synthetischer Gummi. Für jeden Korken wurden DMA-Eindringtests in axialer und radialer Richtung durchgeführt. Durch die Analyse der mechanischen Reaktion der Korken wollten wir Einblicke in ihr dynamisches Verhalten gewinnen und ihre Leistung unter verschiedenen Ausrichtungen bewerten.</p>								</div>
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									<p style="text-align: left;">NANOVEA</p>								</div>
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									<p style="text-align: left;">PB1000</p>								</div>
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									<span class="elementor-button-text">MEHR LERNEN</span>
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																<a href="https://nanovea.com/instruments/pb1000/">
							<img loading="lazy" decoding="async" width="768" height="1021" src="https://nanovea.com/wp-content/uploads/2023/04/PB1000-w-slider.png" class="elementor-animation-grow attachment-medium_large size-medium_large wp-image-22002" alt="" />								</a>
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					<h2 class="elementor-heading-title elementor-size-default">PRÜFPARAMETER</h2>				</div>
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									<table style="border-collapse: collapse; width: 102.375%;"><tbody><tr><td style="width: 50%; text-align: left;"><em><strong style="color: #1b96cf;">MAX FORCE</strong></em></td><td style="width: 52.497%; text-align: right;"><em><strong>75 mN</strong></em></td></tr><tr><td style="width: 50%; text-align: left;"><em><strong style="color: #1b96cf;">LADUNGSVERFAHREN</strong></em></td><td style="width: 52.497%; text-align: right;"><em><strong>150 mN/min</strong></em></td></tr><tr><td style="width: 50%; text-align: left;"><em><strong style="color: #1b96cf;">ENTLADUNGSRATE</strong></em></td><td style="width: 52.497%; text-align: right;"><em><strong>150 mN/min</strong></em></td></tr><tr><td style="width: 50%; text-align: left;"><em><strong style="color: #1b96cf;">AMPLITUDE</strong></em></td><td style="width: 52.497%; text-align: right;"><em><strong>5 mN</strong></em></td></tr><tr><td style="width: 50%; text-align: left;"><em><strong style="color: #1b96cf;">FREQUENZ</strong></em></td><td style="width: 52.497%; text-align: right;"><em><strong>1 Hz</strong></em></td></tr><tr><td style="width: 50%; text-align: left;"><em><strong style="color: #1b96cf;">CREEP</strong></em></td><td style="width: 52.497%; text-align: right;"><em><strong>60 s</strong></em></td></tr></tbody></table>								</div>
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									<p><span style="line-height: 1.2em; color: #ff; text-align: center; text-transform: uppercase; font-weight: bold; font-size: 1.2em; font-style: italic;">Eindringkörpertyp</span></p><p><span style="line-height: 1.2em; color: #1b96cf; text-align: center; font-weight: bold; font-size: 2em; font-style: italic;">Kugel</span></p><p><span style="line-height: 1.2em; color: #1b96cf; text-align: center; font-weight: bold; font-size: 1.5em; font-style: italic;">51200 Stahl</span></p><p><span style="line-height: 1.2em; color: #ff; text-align: center; font-weight: bold; background-color: #fff; font-size: 1.5em; font-style: italic;">3 mm Durchmesser</span></p>								</div>
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															<img loading="lazy" decoding="async" width="883" height="440" src="https://nanovea.com/wp-content/uploads/2023/05/Cork-Material-Testing.jpg" class="attachment-large size-large wp-image-22104" alt="" />															</div>
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					<h2 class="elementor-heading-title elementor-size-default">ERGEBNISSE</h2>				</div>
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									<p style="text-align: left;">In den nachstehenden Tabellen und Diagrammen werden der Elastizitätsmodul, der Speichermodul, der Verlustmodul und tan delta für jede Probe und Orientierung verglichen.</p><p style="text-align: left;"><b><i>Elastizitätsmodul: </i></b>Stiﬀness; hohe Werte bedeuten stiﬀ, niedrige Werte bedeuten ﬂexibel.</p><p style="text-align: left;"><b><i>Speichermodul: </i></b>Elastische Reaktion; im Material gespeicherte Energie.</p><p style="text-align: left;"><b><i>Verlustmodul: </i></b>Viskose Reaktion; Energieverlust durch Wärme.</p><p style="text-align: left;"><b><i>Tan (δ): </i></b>Befeuchtung; hohe Werte bedeuten mehr Befeuchtung.</p><p><em><strong style="color: #1b96cf;">AXIALE AUSRICHTUNG</strong></em></p><table style="border-collapse: collapse; width: 98.7212%; height: 8px;"><tbody><tr><td style="width: 20%;"><b><i>Stopper</i></b></td><td style="width: 20%;"><b><i>ELASTIZITÄTSMODUL</i></b></td><td style="width: 20%;"><b><i>SPEICHERMODUL</i></b></td><td style="width: 20%;"><b><i>MODULUS VERLUST</i></b></td><td style="width: 20%;"><b><i>TAN</i></b></td></tr><tr><td style="width: 20%;"><b><i>#</i></b></td><td style="width: 20%;"><b><i>(MPa)</i></b></td><td style="width: 20%;"><b><i>(MPa)</i></b></td><td style="width: 20%;"><b><i>(MPa)</i></b></td><td style="width: 20%;"><b><i>(δ)</i></b></td></tr><tr><td style="width: 20%;">1</td><td style="width: 20%;">22.5675</td><td style="width: 20%;">22.27209</td><td style="width: 20%;">3.624947</td><td style="width: 20%;">0.162964</td></tr><tr><td style="width: 20%;">2</td><td style="width: 20%;">18.54664</td><td style="width: 20%;">18.27153</td><td style="width: 20%;">3.162349</td><td style="width: 20%;">0.17409</td></tr><tr><td style="width: 20%;">3</td><td style="width: 20%;">23.75381</td><td style="width: 20%;">23.47267</td><td style="width: 20%;">3.617819</td><td style="width: 20%;">0.154592</td></tr><tr><td style="width: 20%;">4</td><td style="width: 20%;">23.6972</td><td style="width: 20%;">23.58064</td><td style="width: 20%;">2.347008</td><td style="width: 20%;">0.099539</td></tr></tbody></table><p><br /><br /><em><strong style="color: #1b96cf;">RADIALE ORIENTIERUNG</strong></em></p><table style="border-collapse: collapse; width: 98.7212%; height: 8px;"><tbody><tr><td style="width: 20%;"><b><i>Stopper</i></b></td><td style="width: 20%;"><b><i>ELASTIZITÄTSMODUL</i></b></td><td style="width: 20%;"><b><i>SPEICHERMODUL</i></b></td><td style="width: 20%;"><b><i>MODULUS VERLUST</i></b></td><td style="width: 19.0544%;"><b><i>TAN</i></b></td></tr><tr><td style="width: 20%;"><b><i>#</i></b></td><td style="width: 20%;"><b><i>(MPa)</i></b></td><td style="width: 20%;"><b><i>(MPa)</i></b></td><td style="width: 20%;"><b><i>(MPa)</i></b></td><td style="width: 19.0544%;"><b><i>(δ)</i></b></td></tr><tr><td style="width: 20%;">1</td><td style="width: 20%;">24.78863</td><td style="width: 20%;">24.56542</td><td style="width: 20%;">3.308224</td><td style="width: 19.0544%;">0.134865</td></tr><tr><td style="width: 20%;">2</td><td style="width: 20%;">26.66614</td><td style="width: 20%;">26.31739</td><td style="width: 20%;">4.286216</td><td style="width: 19.0544%;">0.163006</td></tr><tr><td style="width: 20%;">3</td><td style="width: 20%;">44.07867</td><td style="width: 20%;">43.61426</td><td style="width: 20%;">6.365979</td><td style="width: 19.0544%;">0.146033</td></tr><tr><td style="width: 20%;">4</td><td style="width: 20%;">28.04751</td><td style="width: 20%;">27.94148</td><td style="width: 20%;">2.435978</td><td style="width: 19.0544%;">0.087173</td></tr></tbody></table>								</div>
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									<p>ELASTIZITÄTSMODUL</p>								</div>
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															<img loading="lazy" decoding="async" width="681" height="329" src="https://nanovea.com/wp-content/uploads/2023/05/Cork-Testing-Youngs-Modulus.jpg" class="attachment-large size-large wp-image-22108" alt="" />															</div>
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									<p>SPEICHERMODUL</p>								</div>
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															<img loading="lazy" decoding="async" width="681" height="329" src="https://nanovea.com/wp-content/uploads/2023/05/Cork-Testing-Storage-Modulus.jpg" class="attachment-large size-large wp-image-22106" alt="" />															</div>
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									<p>MODULUS VERLUST</p>								</div>
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															<img loading="lazy" decoding="async" width="681" height="329" src="https://nanovea.com/wp-content/uploads/2023/05/Cork-Testing-Loss-Modulus.jpg" class="attachment-large size-large wp-image-22105" alt="" />															</div>
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									<p>TAN DELTA</p>								</div>
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															<img loading="lazy" decoding="async" width="681" height="329" src="https://nanovea.com/wp-content/uploads/2023/05/Cork-Testing-Tan-Delta.jpg" class="attachment-large size-large wp-image-22107" alt="" />															</div>
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									<p>Zwischen den Korken ist der Elastizitätsmodul nicht sehr unterschiedlich, wenn sie in axialer Richtung geprüft werden. Nur die Korken #2 und #3 zeigten einen deutlichen Unterschied im Elastizitätsmodul zwischen radialer und axialer Richtung. Infolgedessen sind auch der Speichermodul und der Verlustmodul in radialer Richtung höher als in axialer Richtung. Der Stopfen #4 zeigt ähnliche Eigenschaften wie die Naturkorkstopfen, mit Ausnahme des Verlustmoduls. Dies ist recht interessant, da es bedeutet, dass der Naturkorken eine zähere Eigenschaft hat als das synthetische Gummimaterial.</p>								</div>
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									<p>Die NANOVEA <a href="https://nanovea.com/mechanical-testers/">Mechanischer Tester</a> Im Nano-Scratch-Tester-Modus können viele reale Fehler von Lackbeschichtungen und Hartbeschichtungen simuliert werden. Durch die kontrollierte und genau überwachte Anwendung steigender Lasten ermöglicht das Instrument die Erkennung, bei welcher Last Ausfälle auftreten. Daraus lassen sich dann quantitative Werte für die Kratzfestigkeit ermitteln. Es ist bekannt, dass die getestete Beschichtung ohne Witterungseinflüsse einen ersten Riss bei etwa 22 mN aufweist. Bei Werten, die näher bei 5 mN liegen, ist klar, dass die 7-Jahres-Runde den Lack beschädigt hat.</p>
<p>Die Kompensation des ursprünglichen Profils ermöglicht es, die korrigierte Tiefe während des Ritzens zu erhalten und auch die Resttiefe nach dem Ritzen zu messen. Dies gibt zusätzliche Informationen über das plastische bzw. elastische Verhalten der Beschichtung bei zunehmender Belastung. Sowohl die Rissbildung als auch die Informationen über die Verformung können von großem Nutzen für die Verbesserung der Hartstoffschicht sein. Die sehr geringen Standardabweichungen zeigen auch die Reproduzierbarkeit der Technik des Geräts, die den Herstellern helfen kann, die Qualität ihrer Hartbeschichtung/Lackierung zu verbessern und Bewitterungseffekte zu untersuchen.</p>								</div>
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				</div><p>The post <a href="https://nanovea.com/de/dynamische-mechanische-analyse-von-kork-mittels-nanoindentation/">Dynamic Mechanical Analysis of Cork Using Nanoindentation</a> appeared first on <a href="https://nanovea.com/de">NANOVEA: Advanced Profilometers, Tribometers, Nanoindenters, and Scratch Testers for Materials Testing</a>.</p>
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		<title>Nano Scratch &amp; Mar Testing von Farbe auf Metallsubstrat</title>
		<link>https://nanovea.com/de/nano-kratzfestigkeitsprufung-von-farbe-auf-metallsubstrat/?utm_source=rss&#038;utm_medium=rss&#038;utm_campaign=nano-scratch-mar-testing-of-paint-on-metal-substrate</link>
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		<dc:creator><![CDATA[nanovea]]></dc:creator>
		<pubdate>Tue, 02 May 2023 15:12:43 +0000</pubdate>
				<category><![CDATA[Application Notes]]></category>
		<category><![CDATA[Laboratory Testing]]></category>
		<category><![CDATA[Mechanical Testing]]></category>
		<category><![CDATA[Scratch Testing | Adhesive Failure]]></category>
		<category><![CDATA[Scratch Testing | Cohesive Failure]]></category>
		<guid ispermalink="false">https://nanovea.com/?p=22041</guid>

					<description><![CDATA[<p>Nano Scratch &#38; Mar Testing of Paint on Metal Substrate Prepared by SUSANA CABELLO INTRODUCTION Paint with or without hard coat is one of the most commonly used coatings. We see it on cars, on walls, on appliances and virtually anything that needs some protective coatings or simply for aesthetic purposes. The paints that are [&#8230;]</p>
<p>The post <a href="https://nanovea.com/de/nano-kratzfestigkeitsprufung-von-farbe-auf-metallsubstrat/">Nano Scratch &#038; Mar Testing of Paint on Metal Substrate</a> appeared first on <a href="https://nanovea.com/de">NANOVEA: Advanced Profilometers, Tribometers, Nanoindenters, and Scratch Testers for Materials Testing</a>.</p>
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										<content:encoded><![CDATA[<div data-elementor-type="wp-post" data-elementor-id="22041" class="elementor elementor-22041" data-elementor-post-type="post">
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					<h1 class="elementor-heading-title elementor-size-default">Nano Scratch &amp; Mar Testing</h1>				</div>
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					<h2 class="elementor-heading-title elementor-size-default">von Farbe auf Metallsubstrat</h2>				</div>
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															<img loading="lazy" decoding="async" width="768" height="217" src="https://nanovea.com/wp-content/uploads/2023/05/Nano-Scratch-Testing-of-Paint.jpg" class="attachment-medium_large size-medium_large wp-image-22051" alt="" />															</div>
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					<h2 class="elementor-heading-title elementor-size-default">Vorbereitet von</h2>				</div>
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					<h2 class="elementor-heading-title elementor-size-default">SUSANA CABELLO</h2>				</div>
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					<h2 class="elementor-heading-title elementor-size-default">EINFÜHRUNG</h2>				</div>
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									<p>Farbe mit oder ohne Hartauftrag ist eine der am häufigsten verwendeten Beschichtungen. Wir sehen sie auf Autos, Wänden, Geräten und praktisch überall, wo eine Schutzschicht benötigt wird oder wo sie einfach nur der Ästhetik dient. Die Farben, die den Untergrund schützen sollen, enthalten oft Chemikalien, die verhindern, dass die Farbe Feuer fängt, oder die einfach verhindern, dass sie ihre Farbe verliert oder Risse bekommt. Die für ästhetische Zwecke verwendeten Farben sind oft in verschiedenen Farben erhältlich, aber nicht unbedingt für den Schutz des Untergrunds oder für eine lange Lebensdauer gedacht.</p><p>Dennoch unterliegt jede Farbe im Laufe der Zeit einer gewissen Verwitterung. Durch die Verwitterung von Farbe können sich die vom Hersteller beabsichtigten Eigenschaften oft ändern. Sie kann schneller abplatzen, bei Hitze abblättern, ihre Farbe verlieren oder Risse bekommen. Die unterschiedlichen Eigenschaften von Farben, die sich im Laufe der Zeit verändern, sind der Grund, warum die Hersteller eine so große Auswahl anbieten. Die Farben sind auf die unterschiedlichen Anforderungen der einzelnen Kunden zugeschnitten.</p>								</div>
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					<h2 class="elementor-heading-title elementor-size-default">BEDEUTUNG DER NANORITZPRÜFUNG FÜR DIE QUALITÄTSKONTROLLE</h2>				</div>
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									<p>Ein wichtiges Anliegen der Farbenhersteller ist die Widerstandsfähigkeit ihrer Produkte gegen Rissbildung. Sobald der Lack Risse bekommt, kann er den Untergrund, auf den er aufgetragen wurde, nicht mehr schützen und stellt somit den Kunden nicht mehr zufrieden. Wenn z. B. ein Ast die Seite eines Autos streift und sofort danach der Lack abplatzt, verliert der Lackhersteller aufgrund der schlechten Qualität des Lacks sein Geschäft. Die Qualität der Farbe ist sehr wichtig, denn wenn das Metall unter der Farbe freiliegt, kann es aufgrund der neuen Exposition zu rosten oder zu korrodieren beginnen.</p><p> </p><p>Diese Gründe gelten auch für andere Bereiche wie Haushalts- und Büroartikel, Elektronik, Spielzeug, Forschungswerkzeuge und vieles mehr. Auch wenn die Farbe beim ersten Auftragen auf Metallbeschichtungen rissbeständig ist, können sich die Eigenschaften im Laufe der Zeit ändern, wenn die Probe etwas verwittert ist. Aus diesem Grund ist es sehr wichtig, die Lackproben im bewitterten Zustand zu prüfen. Auch wenn die Rissbildung unter hoher Belastung unvermeidlich ist, muss der Hersteller vorhersagen, wie stark die Veränderungen im Laufe der Zeit ausfallen und wie tief der Riss sein muss, damit er seinen Kunden die bestmöglichen Produkte anbieten kann.</p>								</div>
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									<p style="text-align: left;">MESSZIEL</p>								</div>
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									<p>Wir müssen den Prozess des Kratzens in einer kontrollierten und überwachten Weise simulieren, um das Verhalten der Probe zu beobachten. In dieser Anwendung wird der NANOVEA PB1000 Mechanik-Tester im Nano-Scratch-Testing-Modus verwendet, um die Last zu messen, die erforderlich ist, um ein Versagen einer etwa 7 Jahre alten, 30-50 μm dicken Lackprobe auf einem Metallsubstrat zu verursachen.</p>								</div>
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									<p><em>Ein 2 μm großer, diamantbestückter Stift wird mit einer progressiven Kraft von 0,015 mN bis 20,00 mN verwendet, um die Beschichtung zu zerkratzen. Wir haben einen Vor- und Nachscan des Lacks mit einer Belastung von 0,2 mN durchgeführt, um den Wert für die tatsächliche Tiefe des Kratzers zu ermitteln. Die wahre Tiefe analysiert die plastische und elastische Verformung der Probe während der Prüfung, während der Post-Scan nur die plastische Verformung des Kratzers analysiert. Der Punkt, an dem die Beschichtung durch Rissbildung versagt, wird als Versagenspunkt angesehen. Wir haben die ASTMD7187 als Leitfaden für die Festlegung unserer Prüfparameter verwendet.</em></p><p><em> </em></p><p><em>Daraus können wir schließen, dass wir eine verwitterte Probe verwendet haben und daher bei der Prüfung einer Farbprobe in ihrem schwächeren Stadium weniger Fehlerpunkte auftraten.</em></p><p><em> </em></p><p><em>An dieser Probe wurden fünf Tests durchgeführt, um</em></p><p><em>die genauen versagenskritischen Lasten zu bestimmen.</em></p>								</div>
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									<p style="text-align: left;">NANOVEA</p>								</div>
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									<p style="text-align: left;">PB1000</p>								</div>
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					<h2 class="elementor-heading-title elementor-size-default">PRÜFPARAMETER</h2>				</div>
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									<p style="text-align: center;"><b><i>unter</i></b><b><i> ASTM D7027</i></b></p>								</div>
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									<p style="text-align: left;">Die Oberfläche eines Rauheitsnormals wurde mit einem NANOVEA ST400 abgetastet, der mit einem Hochgeschwindigkeitssensor ausgestattet ist, der eine helle Linie mit 192 Punkten erzeugt, wie in ABBILDUNG 1 dargestellt. Diese 192 Punkte tasten die Probenoberfläche gleichzeitig ab, was zu einer deutlich höheren Abtastgeschwindigkeit führt.</p>								</div>
				</div>
				<div class="elementor-element elementor-element-ab573c0 elementor-widget elementor-widget-text-editor" data-id="ab573c0" data-element_type="widget" data-widget_type="text-editor.default">
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									<table style="border-collapse: collapse; width: 102.375%;">
<tbody>
<tr>
<td style="width: 50%; text-align: left;"><em><strong style="color: #1b96cf;">LADUNGSTYP</strong></em></td>
<td style="width: 52.497%; text-align: right;"><em><strong>Progressiv</strong></em></td>
</tr>
<tr>
<td style="width: 50%; text-align: left;"><em><strong style="color: #1b96cf;">ANFANGSLADUNG</strong></em></td>
<td style="width: 52.497%; text-align: right;"><em><strong>0,015 mN</strong></em></td>
</tr>
<tr>
<td style="width: 50%; text-align: left;"><em><strong style="color: #1b96cf;">ENDLADUNG</strong></em></td>
<td style="width: 52.497%; text-align: right;"><em><strong>20 mN</strong></em></td>
</tr>
<tr>
<td style="width: 50%; text-align: left;"><em><strong style="color: #1b96cf;">LADUNGSVERFAHREN</strong></em></td>
<td style="width: 52.497%; text-align: right;"><em><strong>20 mN/min</strong></em></td>
</tr>
<tr>
<td style="width: 50%; text-align: left;"><em><strong style="color: #1b96cf;">SCRATCH LENGTH</strong></em></td>
<td style="width: 52.497%; text-align: right;"><em><strong>1,6 mm</strong></em></td>
</tr>
<tr>
<td style="width: 50%; text-align: left;"><em><strong style="color: #1b96cf;">KREUZGESCHWINDIGKEIT, dx/dt</strong></em></td>
<td style="width: 52.497%; text-align: right;"><em><strong>1.601 mm/min</strong></em></td>
</tr>
<tr>
<td style="width: 50%; text-align: left;"><em><strong style="color: #1b96cf;">PRE-SCAN LADEN</strong></em></td>
<td style="width: 52.497%; text-align: right;"><em><strong>0,2 mN</strong></em></td>
</tr>
<tr>
<td style="width: 50%; text-align: left;"><em><strong style="color: #1b96cf;">POST-SCAN LADEN</strong></em></td>
<td style="width: 52.497%; text-align: right;"><em><strong>0,2 mN</strong></em></td>
</tr>
</tbody>
</table>								</div>
				</div>
				<section class="elementor-section elementor-inner-section elementor-element elementor-element-adc0716 elementor-section-content-middle elementor-section-boxed elementor-section-height-default elementor-section-height-default" data-id="adc0716" data-element_type="section">
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															<img loading="lazy" decoding="async" width="778" height="650" src="https://nanovea.com/wp-content/uploads/2023/05/Nano-Scrach-Harndess-Tester.jpg" class="attachment-large size-large wp-image-22072" alt="Konischer Eindringkörper 90° Konus 2 µm Spitzenradius" />															</div>
				</div>
					</div>
		</div>
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						<div class="elementor-element elementor-element-59f0cbf elementor-widget elementor-widget-text-editor" data-id="59f0cbf" data-element_type="widget" data-widget_type="text-editor.default">
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									<p><span style="line-height: 1.2em; color: #ff; text-align: center; text-transform: uppercase; font-weight: bold; font-size: 1.2em; font-style: italic;">Eindringkörpertyp</span><br /><br /><span style="line-height: 1.2em; color: #1b96cf; text-align: center; font-weight: bold; font-size: 2em; font-style: italic;">Konisch</span><br /><br /><span style="line-height: 1.2em; color: #1b96cf; text-align: center; font-weight: bold; font-size: 1.5em; font-style: italic;">Diamant 90° Kegel</span><br /><br /><span style="line-height: 1.2em; color: #ff; text-align: center; font-weight: bold; background-color: #fff; font-size: 1.5em; font-style: italic;">2 µm Spitzenradius</span></p>								</div>
				</div>
					</div>
		</div>
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															<img loading="lazy" decoding="async" width="301" height="301" src="https://nanovea.com/wp-content/uploads/2023/05/Nano-Scratch-on-Paint-Testing.jpg" class="attachment-large size-large wp-image-22047" alt="Konischer Eindringkörper Diamant 90° Kegel 2 µm Spitzenradius" />															</div>
				</div>
					</div>
		</div>
					</div>
		</section>
					</div>
		</div>
					</div>
		</section>
				<section class="elementor-section elementor-top-section elementor-element elementor-element-f562115 elementor-section-boxed elementor-section-height-default elementor-section-height-default" data-id="f562115" data-element_type="section">
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					<h2 class="elementor-heading-title elementor-size-default">ERGEBNISSE</h2>				</div>
				</div>
				<div class="elementor-element elementor-element-7871976 elementor-widget elementor-widget-text-editor" data-id="7871976" data-element_type="widget" data-widget_type="text-editor.default">
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									<p style="text-align: left;">In diesem Abschnitt werden die während des Scratch-Tests gesammelten Daten zu den Ausfällen vorgestellt. Der erste Abschnitt beschreibt die im Kratzversuch beobachteten Ausfälle und definiert die gemeldeten kritischen Belastungen. Der nächste Teil enthält eine zusammenfassende Tabelle mit den kritischen Belastungen für alle Proben und eine grafische Darstellung. Der letzte Teil enthält die detaillierten Ergebnisse für jede Probe: die kritischen Lasten für jeden Kratzer, die Mikrofotografien jedes Versagens und die Grafik des Tests.</p>								</div>
				</div>
				<div class="elementor-element elementor-element-6b97563 elementor-widget elementor-widget-text-editor" data-id="6b97563" data-element_type="widget" data-widget_type="text-editor.default">
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									<p><strong><em>BEOBACHTETE AUSFÄLLE UND DEFINITION DER KRITISCHEN LASTEN</em></strong></p>								</div>
				</div>
				<section class="elementor-section elementor-inner-section elementor-element elementor-element-94a28d2 elementor-section-boxed elementor-section-height-default elementor-section-height-default" data-id="94a28d2" data-element_type="section">
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									<p><strong><em>KRITISCHES VERSAGEN:</em></strong></p>								</div>
				</div>
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									<p><strong><em>ANFANGSSCHADEN</em></strong></p>								</div>
				</div>
				<div class="elementor-element elementor-element-d9ded9d elementor-widget elementor-widget-text-editor" data-id="d9ded9d" data-element_type="widget" data-widget_type="text-editor.default">
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									<p>Dies ist der erste Punkt, an dem der Schaden entlang der Kratzspur beobachtet wird.</p>								</div>
				</div>
					</div>
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				<div class="elementor-column elementor-col-50 elementor-inner-column elementor-element elementor-element-db7cc34" data-id="db7cc34" data-element_type="column">
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				<div class="elementor-widget-container">
															<img loading="lazy" decoding="async" width="297" height="238" src="https://nanovea.com/wp-content/uploads/2023/05/Nanoscratch-Testing-NANOVEA.jpg" class="attachment-large size-large wp-image-22042" alt="Nanokratzer kritisches Versagen Anfangsschaden" />															</div>
				</div>
					</div>
		</div>
					</div>
		</section>
				<section class="elementor-section elementor-inner-section elementor-element elementor-element-6a3b44c elementor-section-boxed elementor-section-height-default elementor-section-height-default" data-id="6a3b44c" data-element_type="section">
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									<p><strong><em>KRITISCHES VERSAGEN:</em></strong></p>								</div>
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				<div class="elementor-element elementor-element-be091e9 elementor-widget elementor-widget-text-editor" data-id="be091e9" data-element_type="widget" data-widget_type="text-editor.default">
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									<p><strong><em>VOLLSTÄNDIGER SCHADEN</em></strong></p>								</div>
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				<div class="elementor-element elementor-element-f10a039 elementor-widget elementor-widget-text-editor" data-id="f10a039" data-element_type="widget" data-widget_type="text-editor.default">
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									<p>An diesem Punkt ist der Schaden größer, da der Lack entlang der Kratzspur abplatzt und Risse aufweist.</p>								</div>
				</div>
					</div>
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															<img loading="lazy" decoding="async" width="297" height="266" src="https://nanovea.com/wp-content/uploads/2023/05/Nano-Scratch-Testing-NANOVEA.jpg" class="attachment-large size-large wp-image-22050" alt="Nanokratzer kritisches Versagen vollständige Beschädigung" />															</div>
				</div>
					</div>
		</div>
					</div>
		</section>
					</div>
		</div>
					</div>
		</section>
				<section class="elementor-section elementor-top-section elementor-element elementor-element-5f1efa4 elementor-section-boxed elementor-section-height-default elementor-section-height-default" data-id="5f1efa4" data-element_type="section">
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									<p><strong><em>DETAILLIERTE ERGEBNISSE</em></strong></p>								</div>
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									<p><strong><em>* Versagenswerte an der Stelle, an der das Substrat reißt.</em></strong></p>								</div>
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									<table style="border-collapse: collapse; width: 104.762%; height: 228px;">
<tbody>
<tr style="height: 36px;">
<td style="width: 101.482%; text-align: center; font-size: 1.5em; height: 36px;" colspan="3"><em><strong style="color: #1b96cf;">KRITISCHE LASTEN</strong></em></td>
</tr>
<tr style="height: 72px;">
<td style="width: 23.333%;  text-align: center; height: 72px;"><em><strong style="color: #1b96cf;">SCRATCH</strong></em></td>
<td style="width: 33.3333%; text-align: CENTER; height: 72px;"><em><strong style="color: #1b96cf;">ANFANGSSCHADEN [mN]</strong></em></td>
<td style="width: 44.8155%; text-align: CENTER; height: 72px;"><em><strong style="color: #1b96cf;">VOLLSTÄNDIGE SCHÄDIGUNG [µm]</strong></em></td>
</tr>
<tr style="height: 24px;">
<td style="width: 23.333%; text-align: center; height: 24px;"><em><strong style="color: #ff;">1</strong></em></td>
<td style="width: 33.3333%;  text-align: center;; height: 24px;"><em><strong style="color: #ff;">14.513</strong></em></td>
<td style="width: 43.3333%; text-align: center; height: 24px;"><em><strong style="color: #ff;">4.932</strong></em></td>
</tr>
<tr style="height: 24px;">
<td style="width: 23.333%; text-align: center; height: 24px;"><em><strong style="color: #ff;">2</strong></em></td>
<td style="width: 33.3333%; text-align: center; height: 24px;"><em><strong style="color: #ff;">3.895</strong></em></td>
<td style="width: 43.3333%; text-align: center; height: 24px;"><em><strong style="color: #ff;">4.838</strong></em></td>
</tr>
<tr style="height: 24px;">
<td style="width: 23.333%; text-align: center; height: 24px;"><em><strong style="color: #ff;">3</strong></em></td>
<td style="width: 33.3333%; text-align: center; height: 24px;"><em><strong style="color: #ff;">3.917</strong></em></td>
<td style="width: 43.3333%; text-align: center; height: 24px;"><em><strong style="color: #ff;">4.930</strong></em></td>
</tr>
<tr>
<td></td>
</tr>
<tr style="height: 24px;">
<td style="width: 23.333%;  text-align: center; height: 24px;"><em><strong style="color: #1b96cf;">DURCHSCHNITT</strong></em></td>
<td style="width: 33.3333%; text-align: center; height: 24px;"><em><strong style="color: #1b96cf;">3.988</strong></em></td>
<td style="width: 44.8155%; text-align: center; height: 24px;"><em><strong style="color: #1b96cf;">4.900</strong></em></td>
</tr>
<tr style="height: 24px;">
<td style="width: 23.333%; text-align: center; height: 24px;"><em><strong style="color: #1b96cf;">STD DEV</strong></em></td>
<td style="width: 33.3333%; text-align: center; height: 24px;"><em><strong style="color: #1b96cf;">0.143</strong></em></td>
<td style="width: 44.8155%; text-align: center; height: 24px;"><em><strong style="color: #1b96cf;">0.054</strong></em></td>
</tr>
</tbody>
</table>								</div>
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															<img loading="lazy" decoding="async" width="1024" height="59" src="https://nanovea.com/wp-content/uploads/2023/05/Micrograph-of-Full-Scratch-Testing.jpg" class="attachment-large size-large wp-image-22070" alt="Mikroskopische Aufnahme eines vollständigen Kratzers aus einem Nanokratztest (1000-fache Vergrößerung)." />															</div>
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									<p style="text-align: center;"><span class="fontstyle0" style="color: #1b96cf;">ABBILDUNG 2:</span><span class="fontstyle0" style="color: #000000;"> Mikroskopische Aufnahme eines vollständigen Kratzers (1000-fache Vergrößerung).</span></p>								</div>
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				<section class="elementor-section elementor-top-section elementor-element elementor-element-0350dcd elementor-section-boxed elementor-section-height-default elementor-section-height-default" data-id="0350dcd" data-element_type="section">
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															<img loading="lazy" decoding="async" width="583" height="439" src="https://nanovea.com/wp-content/uploads/2023/05/Nano-Scratch-Tester.jpg" class="attachment-large size-large wp-image-22049" alt="Mikroskopische Aufnahme der anfänglichen Beschädigung durch den Nanokratztest (1000-fache Vergrößerung)" />															</div>
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									<p style="text-align: center;"><span class="fontstyle0" style="color: #1b96cf;">ABBILDUNG 3:</span><span class="fontstyle0" style="color: #000000;"> Mikroskopische Aufnahme der ursprünglichen Beschädigung (1000-fache Vergrößerung).</span></p>								</div>
				</div>
					</div>
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				<div class="elementor-column elementor-col-50 elementor-inner-column elementor-element elementor-element-a1d8def" data-id="a1d8def" data-element_type="column">
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															<img loading="lazy" decoding="async" width="586" height="439" src="https://nanovea.com/wp-content/uploads/2023/05/Nano-Scratch-Tester-NANOVEA.jpg" class="attachment-large size-large wp-image-22048" alt="Mikroskopische Aufnahme der vollständigen Beschädigung durch den Nanokratztest (1000-fache Vergrößerung)." />															</div>
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									<p style="text-align: center;"><span class="fontstyle0" style="color: #1b96cf;">ABBILDUNG 4:</span><span class="fontstyle0" style="color: #000000;"> Mikroskopische Aufnahme der vollständigen Beschädigung (1000-fache Vergrößerung).</span></p>								</div>
				</div>
					</div>
		</div>
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									<p style="text-align: center;"><span class="fontstyle0" style="color: #1b96cf;">ABBILDUNG 5:</span><span class="fontstyle0" style="color: #000000;"> Reibungskraft und Reibungskoeffizient.</span></p>								</div>
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															<img loading="lazy" decoding="async" width="916" height="424" src="https://nanovea.com/wp-content/uploads/2023/05/Friction-Force-and-COF-on-Paint.jpg" class="attachment-large size-large wp-image-22044" alt="Linearer Nanokratzer Oberflächenprofil" />															</div>
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									<p style="text-align: center;"><span class="fontstyle0" style="color: #1b96cf;">ABBILDUNG 6:</span><span class="fontstyle0" style="color: #000000;"> Oberflächenprofil.</span></p>								</div>
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															<img loading="lazy" decoding="async" width="916" height="424" src="https://nanovea.com/wp-content/uploads/2023/05/Nano-Scratch-True-Depth-Residual-Depth.jpg" class="attachment-large size-large wp-image-22071" alt="Linearer Nano-Kratztest Echte Tiefe und Resttiefe" />															</div>
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									<p style="text-align: center;"><span class="fontstyle0" style="color: #1b96cf;">ABBILDUNG 7:</span><span class="fontstyle0" style="color: #000000;"> Wahre Tiefe und Resttiefe.</span></p>								</div>
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									<p>Die NANOVEA <a href="https://nanovea.com/mechanical-testers/">Mechanischer Tester</a> im <a href="https://nanovea.com/scratch-tester/">Nano-Kratzer-Tester</a> Modus ermöglicht die Simulation vieler realer Fehlfunktionen von Farb- und Hartbeschichtungen. Durch die kontrollierte und genau überwachte Aufbringung zunehmender Lasten lässt sich mit dem Gerät feststellen, bei welcher Belastung Ausfälle auftreten. Dies kann dann zur Bestimmung quantitativer Werte für die Kratzfestigkeit genutzt werden. Bei der getesteten Beschichtung ohne Bewitterung ist bekannt, dass der erste Riss bei etwa 22 mN auftritt. Bei Werten, die näher bei 5 mN liegen, ist es klar, dass die 7-jährige Überlappung den Lack verschlechtert hat.</p><p>Die Kompensation des ursprünglichen Profils ermöglicht die Ermittlung der korrigierten Tiefe während des Ritzens und die Messung der Resttiefe nach dem Ritzen. Dies gibt zusätzliche Informationen über das plastische bzw. elastische Verhalten der Beschichtung bei zunehmender Belastung. Sowohl die Rissbildung als auch die Informationen über die Verformung können von großem Nutzen für die Verbesserung der Hartstoffschicht sein. Die sehr geringen Standardabweichungen zeigen auch die Reproduzierbarkeit der Gerätetechnik, die den Herstellern helfen kann, die Qualität ihrer Hartstoffbeschichtung/Lackierung zu verbessern und Bewitterungseffekte zu untersuchen.</p>								</div>
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				</div><p>The post <a href="https://nanovea.com/de/nano-kratzfestigkeitsprufung-von-farbe-auf-metallsubstrat/">Nano Scratch &#038; Mar Testing of Paint on Metal Substrate</a> appeared first on <a href="https://nanovea.com/de">NANOVEA: Advanced Profilometers, Tribometers, Nanoindenters, and Scratch Testers for Materials Testing</a>.</p>
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