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	<title>实验室测试应用说明 - NANOVEA：用于材料测试的先进轮廓仪、摩擦磨损仪、纳米压痕仪和划痕测试仪</title>
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	<description>用于材料研究和质量控制的计量仪器</description>
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	<title>实验室测试应用说明 - NANOVEA：用于材料测试的先进轮廓仪、摩擦磨损仪、纳米压痕仪和划痕测试仪</title>
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		<title>Stent Coating Adhesion and Delamination Analysis Using Nano Scratch Testing</title>
		<link>https://nanovea.com/zh/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/zh/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/zh/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/zh">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">李端杰，博士</p>				</div>
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					<p class="elementor-heading-title elementor-size-default">安德鲁-肖尔</p>				</div>
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					<h2 class="elementor-heading-title elementor-size-default">简介</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>
				</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"> 了解更多 <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/">纳诺维亚 PB1000 机械测试仪</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;">机械测试仪</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="纳米压头和划痕测试仪平台 NANOVEA PB1000，带纳米和微型压头模块" />								</a>
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					<h2 class="elementor-heading-title elementor-size-default">测试条件</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="measurement-table-wrapper"><table class="measurement-table"><thead><tr><th>Parameter</th><th>Value</th></tr></thead><tbody><tr><td>Load type</td><td>渐进的</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>锥形</td></tr><tr><td>Indenter material (tip)</td><td>钻石</td></tr><tr><td>压头尖端半径</td><td>20 µm</td></tr><tr><td>温度</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;">表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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<table class="measurement-table">
<thead>
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<th>Parameter</th>
<th>Value</th>
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</thead>
<tbody>
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<td>Load type</td>
<td>渐进的</td>
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<tr>
<td>Initial load</td>
<td>0.1 mN</td>
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<tr>
<td>Final load</td>
<td>300 mN</td>
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<tr>
<td>装载率</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>钻石</td>
</tr>
<tr>
<td>压头尖端半径</td>
<td>5 µm</td>
</tr>
</tbody>
</table>
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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">结果和讨论</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>
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				<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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									<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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									<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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				<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">总结</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">参考文献</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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				<div class="elementor-element elementor-element-cbcfaa4 elementor-widget elementor-widget-heading" data-id="cbcfaa4" data-element_type="widget" data-widget_type="heading.default">
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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/zh/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/zh">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>
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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>
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					<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/zh/dental-surface-roughness-measurement-3d-tooth-topography/">Dental Surface Roughness Measurement &#038; 3D Tooth Topography</a> appeared first on <a href="https://nanovea.com/zh">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">编写者</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>
				<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">简介</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"> 了解更多 <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">在这个应用中， <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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									<p style="text-align: center; font-size: 20pt; color: black;"><br />NANOVEA <span style="font-size: 20pt; color: #1b96cf;">JR25 Portable</span><br />光学轮廓仪</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">测量参数</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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									<div class="measurement-table-wrapper"><table class="measurement-table"><thead><tr><th>Parameter</th><th>Roughness Analysis (Area)</th><th>Roughness Analysis (Profiles)</th><th>Full 3D Reconstruction</th></tr></thead><tbody><tr><td>Optical Pen</td><td>PS2-MG140</td><td>PS2-MG140</td><td>PS5-MG35</td></tr><tr><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></tr><tr><td>X-Step Size [µm]</td><td>1.70</td><td>1.70</td><td>10.00</td></tr><tr><td>Y-Distance [mm]</td><td>2.00</td><td>1.00</td><td>7.00</td></tr><tr><td>Y-Step Size [µm]</td><td>1.70</td><td>100.00</td><td>10.00</td></tr><tr><td>Average (Avg)</td><td>1</td><td>1</td><td>1</td></tr><tr><td>Measurement Type</td><td>Direct</td><td>Direct</td><td>Direct</td></tr><tr><td>Acquisition Mode</td><td>Single Frequency</td><td>Single Frequency</td><td>Double Frequency</td></tr><tr><td>Acquisition Rate [Hz]</td><td>200</td><td>200</td><td>100–400</td></tr><tr><td>Light Intensity [%]</td><td>100</td><td>100</td><td>100</td></tr></tbody></table></div>								</div>
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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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															<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">规模</td><td>2.433</td><td>µm</td><td>均方根高度</td></tr><tr><td class="param-code">スクリート</td><td>-0.102</td><td> </td><td>倾斜度</td></tr><tr><td class="param-code">价格</td><td>3.715</td><td> </td><td>峰度</td></tr><tr><td class="param-code">ǞǞǞ</td><td>18.861</td><td>µm</td><td>最大峰高</td></tr><tr><td class="param-code">ǞǞǞ</td><td>16.553</td><td>µm</td><td>Maximum pit depth</td></tr><tr><td class="param-code">仕</td><td>35.414</td><td>µm</td><td>最大高度</td></tr><tr><td class="param-code">萨</td><td>1.888</td><td>µm</td><td>算术平均身高</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> 无</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> 无</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> 无</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> 无</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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					<h2 class="elementor-heading-title elementor-size-default">总结</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">参考文献</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>
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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>
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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/zh/dental-surface-roughness-measurement-3d-tooth-topography/">Dental Surface Roughness Measurement &#038; 3D Tooth Topography</a> appeared first on <a href="https://nanovea.com/zh">NANOVEA: Advanced Profilometers, Tribometers, Nanoindenters, and Scratch Testers for Materials Testing</a>.</p>
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		<title>手机屏幕保护膜的抗划伤测试</title>
		<link>https://nanovea.com/zh/%e6%89%8b%e6%9c%ba%e5%b1%8f%e5%b9%95%e4%bf%9d%e6%8a%a4%e8%86%9c%e7%9a%84%e6%8a%97%e5%88%92%e4%bc%a4%e6%b5%8b%e8%af%95/?utm_source=rss&#038;utm_medium=rss&#038;utm_campaign=scratch-resistance-testing-of-phone-screen-protectors</link>
					<comments>https://nanovea.com/zh/%e6%89%8b%e6%9c%ba%e5%b1%8f%e5%b9%95%e4%bf%9d%e6%8a%a4%e8%86%9c%e7%9a%84%e6%8a%97%e5%88%92%e4%bc%a4%e6%b5%8b%e8%af%95/#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/zh/%e6%89%8b%e6%9c%ba%e5%b1%8f%e5%b9%95%e4%bf%9d%e6%8a%a4%e8%86%9c%e7%9a%84%e6%8a%97%e5%88%92%e4%bc%a4%e6%b5%8b%e8%af%95/">Scratch Resistance Testing of Phone Screen Protectors</a> appeared first on <a href="https://nanovea.com/zh">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">
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					<h1 class="elementor-heading-title elementor-size-default">手机屏幕保护膜的抗划伤测试</h1>				</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">编写者</p>				</div>
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					<p class="elementor-heading-title elementor-size-default">斯泰西-佩雷拉、乔塞琳-埃斯帕萨和皮埃尔-勒鲁</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">了解手机屏幕保护膜的抗划性</h2>				</div>
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									<p data-start="327" data-end="820">手机屏幕上的保护涂层在抗划伤性、附着强度和长期耐用性方面起着至关重要的作用。随着时间的推移，划痕、微裂纹和涂层分层会降低光学清晰度和可靠性，尤其是在高使用率的环境中。为了评估不同的屏幕保护膜如何抵御机械损伤，仪器划痕测试提供了对涂层失效机制（包括附着力、内聚力和断裂行为）的量化了解。.</p><p data-start="822" data-end="1136">在这项研究中, <a href="https://nanovea.com/instruments/pb1000/">纳诺维亚 PB1000 机械测试仪</a> 用于在受控渐进加载条件下比较热塑性聚氨酯和钢化玻璃屏幕保护膜。通过精确的声发射检测，我们确定了临界失效载荷，并描述了每种材料如何对不断增加的机械应力做出反应。.</p>								</div>
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					<h2 class="elementor-heading-title elementor-size-default">屏幕保护膜的防刮测试为何重要</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">许多用户认为，保护层越厚或越硬，性能就越好，但真正的耐用性取决于材料在渐进载荷、表面变形和局部应力作用下的表现。通过仪器划痕测试，工程师可以测量涂层附着力、内聚强度、表面耐磨性，以及失效发生或扩展的确切载荷。.</p><p data-start="1622" data-end="1964">通过分析裂纹起始点、分层行为和失效模式，制造商可以验证屏幕保护膜的性能，用于研发、质量控制或比较基准。纳米和微小划痕测试提供了可重复的、数据驱动的实际耐用性洞察力，远远超出了传统的硬度评级。.</p>								</div>
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									<p>ℹ️<em data-start="1410" data-end="1468"> 了解更多 <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">涂层和屏幕保护膜的划痕和附着力测试服务。.</a></em></p>								</div>
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				<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">划痕测试目标 <br>测量屏幕保护膜的失效载荷</h2>				</div>
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									<p data-start="1702" data-end="2144">本研究的目的是展示 NANOVEA PB1000 机械测试仪如何对聚合物和玻璃屏幕保护膜进行可重复的标准化抗划伤测试。通过逐步增加施加的负载，该系统可检测到内聚力和粘合力失效的临界负载，捕捉声发射信号，并将这些事件与划痕深度、摩擦力和表面变形相关联。.</p><p data-start="2146" data-end="2656">这种方法提供了每种保护涂层的完整机械性能曲线，使制造商和研发团队能够评估材料配方、涂层附着强度、表面耐久性和最佳涂层厚度，从而提高产品性能。这些划痕评估是 NANOVEA 更广泛的产品系列的一部分。 <a href="https://nanovea.com/mechanical-testers/">机械测试解决方案</a> 用于表征研发、质量控制和生产环境中的涂层、薄膜和基材。.</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 大型平台</span><br />机械测试仪</p>								</div>
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							<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="纳米维划痕测试仪：PTFE 涂层磨损测试" />								</a>
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					<h2 class="elementor-heading-title elementor-size-default">划痕测试参数和仪器设置</h2>				</div>
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									<p data-start="1228" data-end="1620">TPU 和钢化玻璃屏幕保护膜的抗划伤性评估是在受控条件下进行的，以确保可重复性和准确的失效负载检测。以下参数定义了在 NANOVEA PB1000 机械测试仪上使用的渐进加载划痕测试装置。.</p>								</div>
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<tbody>
<tr>
<td style="width: 50.0898%; padding: 6px 8px; color: #1b96cf; font-weight: bold; text-align: left;">装载类型</td>
<td style="width: 49.9102%; padding: 6px 8px; font-weight: bold; text-align: right;">进步</td>
</tr>
<tr>
<td style="padding: 6px 8px; color: #1b96cf; font-weight: bold; width: 50.0898%; text-align: left;">初始负载</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;">终极装载</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;">滑动速度</td>
<td style="padding: 6px 8px; font-weight: bold; width: 49.9102%; text-align: right;">3.025 毫米/分钟</td>
</tr>
<tr>
<td style="padding: 6px 8px; color: #1b96cf; font-weight: bold; width: 50.0898%; text-align: left;">划痕长度</td>
<td style="padding: 6px 8px; font-weight: bold; width: 49.9102%; text-align: right;">3毫米</td>
</tr>
<tr>
<td style="padding: 6px 8px; color: #1b96cf; font-weight: bold; width: 50.0898%; text-align: left;">压头的几何形状</td>
<td style="padding: 6px 8px; font-weight: bold; width: 49.9102%; text-align: right;">岩井（120° 锥形）</td>
</tr>
<tr>
<td style="padding: 6px 8px; color: #1b96cf; font-weight: bold; width: 50.0898%; text-align: left;">压头材料（尖端）</td>
<td style="padding: 6px 8px; font-weight: bold; width: 49.9102%; text-align: right;">钻石</td>
</tr>
<tr>
<td style="padding: 6px 8px; color: #1b96cf; font-weight: bold; width: 50.0898%; text-align: left;">压头半径</td>
<td style="padding: 6px 8px; font-weight: bold; width: 49.9102%; text-align: right;">50 微米</td>
</tr>
<tr>
<td style="padding: 6px 8px; color: #1b96cf; font-weight: bold; width: 50.0898%; text-align: left;">气体环境</td>
<td style="padding: 6px 8px; font-weight: bold; width: 49.9102%; text-align: right;">空气</td>
</tr>
<tr>
<td style="padding: 6px 8px; color: #1b96cf; font-weight: bold; width: 50.0898%; text-align: left;">温度</td>
<td style="padding: 6px 8px; font-weight: bold; width: 49.9102%; text-align: right;">24 °C（室温）</td>
</tr>
</tbody>
</table>								</div>
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									<p style="text-align: center;"><span class="fontstyle0" style="color: #1b96cf;">表1:</span><span class="fontstyle0" style="color: #000000;"> <span class="fontstyle0">划痕测试使用的测试参数</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="在 NANOVEA PB1000 机械测试仪上进行划痕测试的屏幕保护膜样品" />															</div>
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				<div class="elementor-element elementor-element-8e1a70e elementor-widget elementor-widget-text-editor" data-id="8e1a70e" data-element_type="widget" data-widget_type="text-editor.default">
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									<p>在渐进加载划痕测量过程中将屏幕保护膜样品安装在 NANOVEA PB1000 机械测试仪上。.</p>								</div>
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					<h2 class="elementor-heading-title elementor-size-default">用于耐刮擦测试的屏幕保护膜样品</h2>				</div>
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									<p data-start="339" data-end="686">我们选择了两种市售的屏幕保护膜材料，以比较它们在抗划伤性、失效行为和机械耐久性方面的差异。两种样品都牢固地安装在 NANOVEA PB1000 机械测试仪上，并在相同的渐进加载条件下进行评估，以确保比较结果的一致性和公正性。.</p><p data-start="688" data-end="1108">TPU 屏幕保护膜是一种柔性聚合物薄膜，具有高弹性和较低的耐磨性，而钢化玻璃保护膜则是一种刚性脆性材料，具有高硬度和更强的冲击保护能力。在相同的负载条件下测试这两种材料，可以清楚地评估材料成分、弹性和硬度对划痕失效模式的影响。.</p>								</div>
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									<p>TPU 屏幕保护膜</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>钢化玻璃</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;">图1:</span><span class="fontstyle0" style="color: #000000;"> 为抗划伤测试准备的 TPU 和钢化玻璃屏幕保护膜。.<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">划痕测试结果：热塑性聚氨酯与钢化玻璃屏幕保护膜的失效模式对比</h2>				</div>
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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;">屏幕保护膜类型</td><td style="padding: 8px;">临界负荷 #1 (n)</td><td style="padding: 8px;">临界负荷 #2 (n)</td></tr><tr><td style="padding: 6px 8px; font-weight: bold; text-align: center;">热塑性聚氨酯</td><td style="padding: 6px 8px; text-align: center; font-weight: bold;">不适用</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;">钢化玻璃</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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									<p style="text-align: center;"><span class="fontstyle0" style="color: #1b96cf;">表2:</span><span class="fontstyle0" style="color: #000000;"> 每个屏幕保护膜样本的关键负载汇总。.</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">由于热塑性聚氨酯和钢化玻璃屏幕保护膜具有根本不同的机械特性，因此在渐进载荷划痕测试中，每种样品都表现出不同的失效模式和临界载荷阈值。表 2 总结了每种材料测得的临界载荷。.</p><p data-start="839" data-end="1181">临界载荷 #1 代表光学显微镜下第一个可观察到的内聚失效点，如裂纹开始或径向断裂。.</p><p data-start="839" data-end="1181">临界载荷 #2 相当于通过声发射（AE）监测检测到的第一个重大事件，通常代表较大的结构故障或穿透事件。.</p><h3 data-start="1188" data-end="1246"><strong data-start="1192" data-end="1244">TPU 屏幕保护膜 - 柔性聚合物特性</strong></h3><p data-start="1247" data-end="1487">热塑性聚氨酯（TPU）屏幕保护膜只出现了一次重大临界事件（临界载荷 #2）。该载荷对应于划痕轨迹上薄膜开始从手机屏幕表面翘起、剥离或分层的点。.</p><p data-start="1489" data-end="1789">一旦超过临界载荷 #2（≈2.00 N），压头的穿透力足以在测试的剩余时间内直接在手机屏幕上造成可见划痕。没有检测到单独的临界载荷 #1，这与材料的高弹性和较低的内聚强度相符。.</p><h3 data-start="1796" data-end="1864"><strong data-start="1800" data-end="1862">钢化玻璃屏幕保护膜 - 脆性失效行为</strong></h3><p data-start="1865" data-end="1977">钢化玻璃屏幕保护膜显示出两种不同的临界载荷，这是脆性材料的特征：</p><ul data-start="1979" data-end="2284"><li data-start="1979" data-end="2142"><p data-start="1981" data-end="2142">临界载荷 #1（≈3.61 N）：显微镜下观察到径向断裂和裂纹萌生，表明玻璃层的早期内聚失效。.</p></li><li data-start="2143" data-end="2284"><p data-start="2145" data-end="2284">临界载荷 #2（≈7.44 N）：较大的 AE 峰值和划痕深度的急剧增加表明保护器在较高负载下会穿透。.</p></li></ul><p data-start="2286" data-end="2495">虽然 AE 值高于热塑性聚氨酯，但手机屏幕没有受到任何损坏，这表明钢化玻璃保护层有能力在发生灾难性故障之前吸收和分散负载。.</p><p data-start="2497" data-end="2665">在这两种材料中，临界载荷 #2 与压头击穿屏幕保护膜的瞬间相对应，从而确认了每种样品的保护极限。.</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 屏幕保护膜：划痕测试数据和故障分析</h3>				</div>
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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;">划痕模块</td><td style="padding: 8px;">临界负荷 #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;">平均数</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;">标准差</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;">表 3：</span><span class="fontstyle0" style="color: #000000;"> TPU 屏幕保护膜划痕测试中测得的临界负荷。.</span></p>								</div>
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				<div class="elementor-element elementor-element-88392d4 elementor-widget elementor-widget-image" data-id="88392d4" data-element_type="widget" data-widget_type="image.default">
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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="在 NANOVEA 机械测试仪上测试 TPU 屏幕保护膜的摩擦力、法向力、声发射和深度与划痕长度的关系图。." />															</div>
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									<p style="text-align: center;"><span class="fontstyle0" style="color: #1b96cf;">图2:</span><span class="fontstyle0" style="color: #000000;"> TPU 屏幕保护膜的摩擦力、法向载荷、声发射（AE）和划痕深度与划痕长度的关系。. <span class="fontstyle0">(B) 临界载荷 #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;">图3:</span><span class="fontstyle0" style="color: #000000;"> 临界负荷 #2 时 TPU 屏幕保护膜的光学显微镜图像（放大 5 倍；图像宽度 0.8934 毫米）。.<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;">图4:</span><span class="fontstyle0" style="color: #000000;"> TPU 屏幕保护膜划痕后的全长图像，显示逐步加载测试后的完整划痕轨迹。.</span><span class="fontstyle0" style="color: #000000;"><br /></span></p>								</div>
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					<h3 class="elementor-heading-title elementor-size-default">钢化玻璃屏幕保护膜：临界载荷数据和断裂行为</h3>				</div>
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<tbody>
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<td style="padding: 8px;">划痕模块</td>
<td style="padding: 8px;">临界负荷 #1 (n)</td>
<td style="padding: 8px;">临界负荷 #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;">平均数</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;">标准差</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>
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									<p style="text-align: center;"><span class="fontstyle0" style="color: #1b96cf;">表 4：</span><span class="fontstyle0" style="color: #000000;"> 在钢化玻璃屏幕保护膜划痕测试中测得的临界载荷。.</span></p>								</div>
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									<p>ℹ️<em data-start="1410" data-end="1468"> 与非硅酸盐聚合物涂层的比较，请参阅我们关于 <a href="https://nanovea.com/ptfe-coating-wear-test/">聚四氟乙烯涂层磨损测试</a>, ，突出了低摩擦聚合物薄膜在类似渐进加载条件下的失效行为。.</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;">图5:</span><span class="fontstyle0" style="color: #000000;"> 钢化玻璃屏幕保护膜的摩擦力、法向载荷、声发射（AE）和划痕深度与划痕长度的关系。. <span class="fontstyle0">(A) 临界载荷 #1 (B) 临界载荷 #2</span><br /></span></p>								</div>
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				<div class="elementor-element elementor-element-a66761a elementor-widget elementor-widget-image" data-id="a66761a" data-element_type="widget" data-widget_type="image.default">
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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="使用 NANOVEA 机械测试仪以 5 倍放大率进行划痕测试时，显示钢化玻璃屏幕保护膜上临界载荷 #1 和临界载荷 #2 失效位置的光学显微镜图像。." />															</div>
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									<p style="text-align: center;"><span class="fontstyle0" style="color: #1b96cf;">图6:</span><span class="fontstyle0" style="color: #000000;"> 光学显微镜图像，以 5 倍放大率显示临界载荷 #1（左）和临界载荷 #2（右）的失效位置（图像宽度：0.8934 毫米）。.<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;">图7:</span><span class="fontstyle0" style="color: #000000;"> 测试后钢化玻璃划痕轨迹的光学显微镜图像，突出显示了渐进加载测试后的断裂起始点（CL#1）和最终穿透区（CL#2）。.<br /></span></p>								</div>
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					<h2 class="elementor-heading-title elementor-size-default">结论TPU 与钢化玻璃屏幕保护膜的划痕性能比较</h2>				</div>
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									<p data-start="414" data-end="843">这项研究展示了 NANOVEA PB1000 机械测试仪如何利用渐进加载和声发射 (AE) 检测技术提供受控、可重复和高灵敏度的抗划伤性测量。通过精确捕捉内聚和粘合失效事件，该系统能够清晰地比较热塑性聚氨酯和钢化玻璃屏幕保护膜在机械应力增加时的表现。.</p><p data-start="845" data-end="1188">实验结果证实，钢化玻璃的临界载荷明显高于热塑性聚氨酯，具有卓越的抗划伤性、延迟断裂的起始时间以及可靠的抗压头穿透保护。热塑性聚氨酯较低的内聚强度和较早的分层突出了其在高应力环境中的局限性。.</p><p data-start="845" data-end="1188">在确定失效载荷后，还可以使用一个分析仪对产生的划痕轨迹进行分析。 <a href="https://nanovea.com/profilometers/">非接触式 3D 光学轮廓仪</a> 测量沟槽深度、残余变形和划痕后形貌。这有助于完成每种材料的机械剖面图。.</p><p data-start="1190" data-end="1564">NANOVEA 机械测试仪专为精确和可重复的压痕、划痕和磨损测试而设计，支持符合 ISO 和 ASTM 标准的纳米和微米模块。它的多功能性使其成为评估薄膜、涂层、聚合物、玻璃和基材在研发、生产和质量控制过程中的全部机械性能的理想解决方案。.</p>								</div>
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					<h2 class="elementor-heading-title elementor-size-default">常见问题 <br> 关于耐刮擦测试</h2>				</div>
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					<h3 class="elementor-heading-title elementor-size-default">什么是耐刮擦测试？</h3>				</div>
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									<p data-start="168" data-end="494">耐刮擦测试评估材料或涂层在金刚石测针施加逐渐增加的负载时的反应。该测试可确定发生内聚或粘合失效的临界载荷，为耐用性、粘合强度和抗表面损伤能力提供可量化的衡量标准。.</p>								</div>
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					<h3 class="elementor-heading-title elementor-size-default">内聚性失效和粘性失效有何区别？</h3>				</div>
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									<p data-start="168" data-end="494">发生内聚失效 <em data-start="840" data-end="848">内</em> 涂层或材料，如开裂、撕裂或内部断裂。.<br data-start="921" data-end="924" />粘合剂失效发生在涂层从底层脱落时，表明粘合强度不足。.</p><p data-start="168" data-end="494">NANOVEA PB1000 通过同步声发射监测、划痕深度跟踪和摩擦分析来检测这两种情况。.</p>								</div>
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					<h3 class="elementor-heading-title elementor-size-default">为什么使用机械测试仪而不是手动方法？</h3>				</div>
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									<p data-start="168" data-end="494">像 NANOVEA PB1000 这样的机械测试仪可提供精确、可重复和标准化的测量，确保为研发、生产验证和质量控制提供可靠的数据。它还具有人工方法无法提供的先进功能，例如声发射检测和实时深度监测。.</p>								</div>
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					<h2 class="elementor-heading-title elementor-size-default">您的材料需要可靠的划痕测试吗？</h2>				</div>
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				</div><p>The post <a href="https://nanovea.com/zh/%e6%89%8b%e6%9c%ba%e5%b1%8f%e5%b9%95%e4%bf%9d%e6%8a%a4%e8%86%9c%e7%9a%84%e6%8a%97%e5%88%92%e4%bc%a4%e6%b5%8b%e8%af%95/">Scratch Resistance Testing of Phone Screen Protectors</a> appeared first on <a href="https://nanovea.com/zh">NANOVEA: Advanced Profilometers, Tribometers, Nanoindenters, and Scratch Testers for Materials Testing</a>.</p>
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		<title>使用 NANOVEA 摩擦仪测试岩石磨蚀性</title>
		<link>https://nanovea.com/zh/rock-abrasivity-testing/?utm_source=rss&#038;utm_medium=rss&#038;utm_campaign=rock-abrasivity-testing</link>
					<comments>https://nanovea.com/zh/rock-abrasivity-testing/#respond</comments>
		
		<dc:creator><![CDATA[nanovea]]></dc:creator>
		<pubdate>2023 年 9 月 13 日星期三 17:07:17 +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/zh/rock-abrasivity-testing/">Rock Abrasivity Testing with NANOVEA Tribometer</a> appeared first on <a href="https://nanovea.com/zh">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="23217" class="elementor elementor-23217" data-elementor-post-type="post">
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									<h1 style="text-align: center; font-style: italic; font-weight: bold;"><span style="font-size: 80px; color: #1b96cf; display: block;">岩石摩擦学：</span><span style="font-size: 32px; color: #000;">使用纳米凹凸磨耗测试仪进行岩石磨蚀性测试</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="岩石摩擦学：使用纳诺维亚摩擦磨损仪测试岩石磨蚀性" loading="lazy" />															</div>
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					<h2 class="elementor-heading-title elementor-size-default">编写者</h2>				</div>
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					<h2 class="elementor-heading-title elementor-size-default">李端杰，博士</h2>				</div>
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					<h2 class="elementor-heading-title elementor-size-default">简介</h2>				</div>
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									岩石由矿物颗粒组成。这些矿物的类型和丰度，以及矿物颗粒之间的化学键合强度，决定了岩石的机械和摩擦学特性。根据地质岩石循环，岩石可以发生转变，通常分为三种主要类型：火成岩、沉积岩和变质岩。这些岩石表现出不同的矿物和化学成分、渗透性和颗粒尺寸，这些特性导致了它们不同的耐磨性。岩石摩擦学研究岩石在各种地质和环境条件下的磨损和摩擦行为。								</div>
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					<h3 class="elementor-heading-title elementor-size-default">岩石磨料检测的重要性</h3>				</div>
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									<p>在钻井过程中，岩石会发生各种类型的磨损，包括擦伤和摩擦，导致钻头和切削工具的维修和更换造成重大的直接和间接损失。因此，岩石的可钻性、可钻性、可切削性和磨蚀性的研究在石油、天然气和采矿业中至关重要。岩石摩擦学研究在选择最有效和最具成本效益的钻井策略方面发挥着关键作用，从而提高整体效率并有助于保护材料、能源和环境。此外，最大限度地减少表面摩擦对于减少钻头和岩石之间的相互作用非常有利，从而减少工具磨损并提高钻孔/切割效率。</p>								</div>
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					<h2 class="elementor-heading-title elementor-size-default">测量目标</h2>				</div>
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									<p>在这项研究中，我们对两种岩石的摩擦学特性进行了模拟和比较，以展示 <a href="https://nanovea.com/instruments/t50/">纳诺维亚 T50 摩擦磨损测试仪</a> 以受控和监测的方式测量岩石的摩擦系数和磨损率。</p>								</div>
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									<p style="text-align: center; font-size: 20pt; color: black;">NANOVEA <span style="font-size: 20pt; color: #1b96cf;">T50 紧凑型</span><br>自由重量摩擦磨损测试仪</p>								</div>
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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：石灰石和大理石磨蚀性测试" />								</a>
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					<h2 class="elementor-heading-title elementor-size-default">样品</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="大理石和石灰石磨损与摩擦测试 - 岩石摩擦学" loading="lazy" />															</div>
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					<h2 class="elementor-heading-title elementor-size-default">测试程序</h2>				</div>
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									<p>使用 Pin-on-Disc 磨损模块的 NANOVEA T50 摩擦磨损试验机评估了两个岩石样品的摩擦系数、COF 和耐磨性。 Al2O3 球（直径 6 mm）用作计数器材料。测试后使用 NANOVEA 非接触式轮廓仪检查磨损轨迹。测试参数总结如下。</p><p>磨损率K的计算公式为K=V/(F×s)=A/(F×n)，其中V为磨损体积，F为法向载荷，s为滑动距离，A为磨损轨迹的横截面积，n 是转数。使用 NANOVEA 光学轮廓仪评估表面粗糙度和磨损轨迹轮廓，并使用光学显微镜检查磨损轨迹形态。</p><p>请注意，本研究中以 Al2O3 球作为计数器材料为例。任何不同形状的固体材料都可以使用定制夹具来模拟实际应用情况。</p>								</div>
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					<h2 class="elementor-heading-title elementor-size-default">测试参数</h2>				</div>
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<td style="width: 50%; text-align: left;"><em><strong style="color: #1b96cf;">样本</strong></em></td>
<td style="width: 52.497%; text-align: right;"><em><strong>石灰石、大理石</strong></em></td>
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<td style="width: 50%; text-align: left;"><em><strong style="color: #1b96cf;">耐磨环半径 </strong></em></td>
<td style="width: 52.497%; text-align: right;"><em><strong>5毫米</strong></em></td>
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<td style="width: 50%; text-align: left;"><em><strong style="color: #1b96cf;">常态力</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;">测试时间</strong></em></td>
<td style="width: 52.497%; text-align: right;"><em><strong>10分钟</strong></em></td>
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<td style="width: 50%; text-align: left;"><em><strong style="color: #1b96cf;">速度</strong></em></td>
<td style="width: 52.497%; text-align: right;"><em><strong>100转/分</strong></em></td>
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					<h2 class="elementor-heading-title elementor-size-default">结果与讨论</h2>				</div>
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									<p>图 1 使用 NANOVEA 机械测试仪的微压痕模块对石灰石和大理石样品的硬度 (H) 和弹性模量 (E) 进行了比较。石灰岩样品表现出较低的 H 和 E 值，分别为 0.53 和 25.9 GPa，而大理石样品的 H 值为 1.07，E 值为 49.6 GPa。石灰石样品可归因于其较大的表面不均匀性，这源于其颗粒状和多孔特性。</p><p>图 2 描绘了两个岩石样品磨损测试期间 COF 的演变。在磨损测试开始时，石灰石的 COF 最初快速增加至约 0.8，并在整个测试期间保持该值。 COF 的这种突然变化可归因于 Al2O3 球渗透到岩石样品中，这是由于磨损轨迹内接触面发生的快速磨损和粗糙化过程造成的。相比之下，在滑动距离约 5 米后，大理石样品的 COF 显着增加至更高的值，这表明与石灰石相比，其耐磨性更优异。</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="岩石硬度测试" loading="lazy" />															</div>
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									<p style="text-align: center;"><span class="fontstyle0" style="color: #1b96cf;">图1:</span><span class="fontstyle0" style="color: #000000;"> 石灰石和大理石样品的硬度和杨氏模量比较。.</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="磨损试验中石灰石和大理石样品摩擦系数（COF）的变化" loading="lazy" />															</div>
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									<p style="text-align: center;"><span class="fontstyle0" style="color: #1b96cf;">图2:</span><span class="fontstyle0" style="color: #000000;"> 磨损测试过程中石灰石和大理石样品的摩擦系数 (COF) 的演变。</span></p>								</div>
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									图 3 比较了磨损测试后石灰石和大理石样品的横截面轮廓，表 1 总结了磨损轨迹分析的结果。图 4 显示了光学显微镜下样品的磨损痕迹。磨损轨迹评估与 COF 演变观察一致：大理石样品在较长时间内保持较低的 COF，其磨损率较低，为 0.0046 mm3/N m，而石灰石的磨损率为 0.0353 mm3/N m。大理石优越的机械性能使其比石灰石具有更好的耐磨性。								</div>
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															<img decoding="async" src="https://nanovea.com/wp-content/uploads/2023/09/rock-wear-tester.jpg" title="" alt="使用纳米凹凸磨耗测试仪进行岩石磨蚀性测试" loading="lazy" />															</div>
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									<p style="text-align: center;"><span class="fontstyle0" style="color: #1b96cf;">图3:</span><span class="fontstyle0" style="color: #000000;"> 磨损轨迹的横截面轮廓。</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;">表1:</span><span class="fontstyle0" style="color: #000000;"> 磨损轨迹分析结果总结。</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;">图4:</span><span class="fontstyle0" style="color: #000000;"> 光学显微镜下的磨损痕迹。</span></p>								</div>
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					<h2 class="elementor-heading-title elementor-size-default">结论</h2>				</div>
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									<p>在这项研究中，我们展示了 NANOVEA 摩擦磨损试验机以受控和监测的方式评估两种岩石样品（即大理石和石灰石）的摩擦系数和耐磨性的能力。大理石卓越的机械性能有助于其卓越的耐磨性。这种特性使得石油和天然气行业的钻探或切割变得具有挑战性。相反，当用作高质量建筑材料（例如地砖）时，它的使用寿命会显着延长。</p><p>NANOVEA 摩擦磨损试验机提供精确且可重复的磨损和摩擦测试功能，在旋转和线性模式下均符合 ISO 和 ASTM 标准。此外，它还提供用于高温磨损、润滑和摩擦腐蚀的可选模块，所有这些模块都无缝集成到一个系统中。 NANOVEA 无与伦比的系列是确定薄或厚、软或硬涂层、薄膜、基材和岩石摩擦学的全方位摩擦学特性的理想解决方案。</p>								</div>
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				</div><p>The post <a href="https://nanovea.com/zh/rock-abrasivity-testing/">Rock Abrasivity Testing with NANOVEA Tribometer</a> appeared first on <a href="https://nanovea.com/zh">NANOVEA: Advanced Profilometers, Tribometers, Nanoindenters, and Scratch Testers for Materials Testing</a>.</p>
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		<title>喷丸表面分析</title>
		<link>https://nanovea.com/zh/%e5%96%b7%e4%b8%b8%e8%a1%a8%e9%9d%a2%e5%88%86%e6%9e%90-2/?utm_source=rss&#038;utm_medium=rss&#038;utm_campaign=shot-peened-surface-analysis</link>
					<comments>https://nanovea.com/zh/%e5%96%b7%e4%b8%b8%e8%a1%a8%e9%9d%a2%e5%88%86%e6%9e%90-2/#respond</comments>
		
		<dc:creator><![CDATA[nanovea]]></dc:creator>
		<pubdate>2023 年 8 月 16 日星期三 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/zh/%e5%96%b7%e4%b8%b8%e8%a1%a8%e9%9d%a2%e5%88%86%e6%9e%90-2/">Shot Peened Surface Analysis</a> appeared first on <a href="https://nanovea.com/zh">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">
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					<h1 class="elementor-heading-title elementor-size-default">喷丸表面分析</h1>				</div>
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					<h2 class="elementor-heading-title elementor-size-default">使用 3D 非接触式轮廓仪</h2>				</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>
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					<p class="elementor-heading-title elementor-size-default">编写者</p>				</div>
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					<p class="elementor-heading-title elementor-size-default">CRAIG LEISING</p>				</div>
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					<h2 class="elementor-heading-title elementor-size-default">简介</h2>				</div>
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									<p>喷丸是用球形金属、玻璃或陶瓷珠（通常称为“喷丸”）轰击基材的过程，其作用力旨在诱导表面塑性。分析喷丸前后的特征为增强过程理解和控制提供了重要的见解。射击留下的凹痕的表面粗糙度和覆盖面积是特别值得注意的方面。</p>								</div>
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					<h3 class="elementor-heading-title elementor-size-default">3D 非接触式轮廓仪对于喷丸表面分析的重要性</h3>				</div>
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									<p>与传统上用于喷丸表面分析的传统接触式轮廓仪不同，3D 非接触式测量可提供完整的 3D 图像，从而更全面地了解覆盖区域和表面形貌。如果没有 3D 功能，检查将仅依赖 2D 信息，这不足以表征表面。了解 3D 中的形貌、覆盖区域和粗糙度是控制或改进喷丸过程的最佳方法。纳诺维娅的 <a href="https://nanovea.com/profilometers/">3D 非接触式轮廓仪</a> 利用具有独特功能的色光技术来测量机加工和喷丸表面上的陡峭角度。此外，当其他技术由于探头接触、表面变化、角度或反射率而无法提供可靠数据时，NANOVEA 轮廓仪可以成功。</p>								</div>
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					<h2 class="elementor-heading-title elementor-size-default">测量目标</h2>				</div>
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									<p>在此应用中，NANOVEA ST400 非接触式轮廓仪用于测量原材料和两个不同喷丸表面，以进行比较审查。 3D 表面扫描后可以自动计算出无数的表面参数。在这里，我们将检查 3D 表面并选择感兴趣的区域进行进一步分析，包括量化和研究粗糙度、凹坑和表面积。</p>								</div>
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									<p style="text-align: center; font-size: 20pt; color: black;">NANOVEA <span style="font-size: 20pt; color: #1b96cf;">ST400 标准</span><br />光学 3D 轮廓仪</p>								</div>
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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轮廓仪" />								</a>
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					<h2 class="elementor-heading-title elementor-size-default">例子</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="喷丸处理表面检测" />															</div>
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					<h2 class="elementor-heading-title elementor-size-default">结果</h2>				</div>
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					<h3 class="elementor-heading-title elementor-size-default">钢表面</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="喷丸处理表面粗糙度" />															</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="喷丸处理表面特性分析" />															</div>
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					</div>
		</section>
				<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">
						<div class="elementor-container elementor-column-gap-no">
					<div class="elementor-column elementor-col-100 elementor-inner-column elementor-element elementor-element-a2a2537" data-id="a2a2537" data-element_type="column">
			<div class="elementor-widget-wrap elementor-element-populated">
						<div class="elementor-element elementor-element-63141ca elementor-widget elementor-widget-text-editor" data-id="63141ca" 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 粗糙度参数</span></p>								</div>
				</div>
				<div class="elementor-element elementor-element-2252db5 elementor-widget__width-initial elementor-widget elementor-widget-text-editor" data-id="2252db5" data-element_type="widget" data-widget_type="text-editor.default">
				<div class="elementor-widget-container">
									<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>
<tbody>
<tr>
<td>SA</td>
<td>0.399微米</td>
<td>平均粗糙度</td>
</tr>
<tr>
<td>规模</td>
<td>0.516微米</td>
<td>均方根粗糙度</td>
</tr>
<tr>
<td>仕</td>
<td>5.686微米</td>
<td>最大峰谷值</td>
</tr>
<tr>
<td>ǞǞǞ</td>
<td>2.976微米</td>
<td>最大峰值高度</td>
</tr>
<tr>
<td>ǞǞǞ</td>
<td>2.711微米</td>
<td>最大凹坑深度</td>
</tr>
<tr>
<td>价格</td>
<td>3.9344</td>
<td>峰度</td>
</tr>
<tr>
<td>スクリート</td>
<td>-0.0113</td>
<td>倾斜度</td>
</tr>
<tr>
<td>萨尔</td>
<td>0.0028毫米</td>
<td>自相关长度</td>
</tr>
<tr>
<td>斯特</td>
<td>0.0613</td>
<td>纹理纵横比</td>
</tr>
<tr>
<td>斯达尔</td>
<td>26.539 平方毫米</td>
<td>表面积</td>
</tr>
<tr>
<td>斯沃克</td>
<td>0.589微米</td>
<td>减少谷深</td>
</tr>
</tbody>
</table>
&nbsp;								</div>
				</div>
					</div>
		</div>
					</div>
		</section>
					</div>
		</div>
					</div>
		</section>
				<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">
						<div class="elementor-container elementor-column-gap-default">
					<div class="elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-28dc073" data-id="28dc073" data-element_type="column">
			<div class="elementor-widget-wrap elementor-element-populated">
						<div class="elementor-element elementor-element-79b452c elementor-widget elementor-widget-heading" data-id="79b452c" data-element_type="widget" data-widget_type="heading.default">
				<div class="elementor-widget-container">
					<h2 class="elementor-heading-title elementor-size-default">结果</h2>				</div>
				</div>
				<div class="elementor-element elementor-element-6794e46 elementor-widget elementor-widget-heading" data-id="6794e46" data-element_type="widget" data-widget_type="heading.default">
				<div class="elementor-widget-container">
					<h3 class="elementor-heading-title elementor-size-default">喷丸表面 1</h3>				</div>
				</div>
				<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">
						<div class="elementor-container elementor-column-gap-narrow">
					<div class="elementor-column elementor-col-50 elementor-inner-column elementor-element elementor-element-44113e1" data-id="44113e1" data-element_type="column">
			<div class="elementor-widget-wrap elementor-element-populated">
						<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="喷丸处理表面轮廓" />															</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">
			<div class="elementor-widget-wrap elementor-element-populated">
						<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="喷丸处理表面轮廓测量" />															</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">
					<div class="elementor-column elementor-col-50 elementor-inner-column elementor-element elementor-element-a64869f" data-id="a64869f" data-element_type="column">
			<div class="elementor-widget-wrap elementor-element-populated">
						<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;">表面覆盖率 </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="喷丸处理表面研究" />															</div>
				</div>
					</div>
		</div>
				<div class="elementor-column elementor-col-50 elementor-inner-column elementor-element elementor-element-01aa9d3" data-id="01aa9d3" data-element_type="column">
			<div class="elementor-widget-wrap elementor-element-populated">
						<div class="elementor-element elementor-element-278511c elementor-widget elementor-widget-text-editor" data-id="278511c" 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 粗糙度参数</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;
        }

        td:nth-child(3) {
            color: #1B96CF;
        }

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

<table>
    <tr>
        <td>萨</td>
        <td>4.102微米</td>
        <td>平均粗糙度</td>
    </tr>
    <tr>
        <td>规模</td>
        <td>5.153微米</td>
        <td>均方根粗糙度</td>
    </tr>
    <tr>
        <td>仕</td>
        <td>44.975微米</td>
        <td>最大峰谷值</td>
    </tr>
    <tr>
        <td>ǞǞǞ</td>
        <td>24.332微米</td>
        <td>最大峰值高度</td>
    </tr>
    <tr>
        <td>ǞǞǞ</td>
        <td>20.644微米</td>
        <td>最大凹坑深度</td>
    </tr>
    <tr>
        <td>价格</td>
        <td>3.0187</td>
        <td>峰度</td>
    </tr>
    <tr>
        <td>スクリート</td>
        <td>0.0625</td>
        <td>倾斜度</td>
    </tr>
    <tr>
        <td>萨尔</td>
        <td>0.0976毫米</td>
        <td>自相关长度</td>
    </tr>
    <tr>
        <td>斯特</td>
        <td>0.9278</td>
        <td>纹理纵横比</td>
    </tr>
    <tr>
        <td>斯达尔</td>
        <td>29.451 平方毫米</td>
        <td>表面积</td>
    </tr>
    <tr>
        <td>斯沃克</td>
        <td>5.008微米</td>
        <td>减少谷深</td>
    </tr>
</table>

</body>
</html>
								</div>
				</div>
					</div>
		</div>
					</div>
		</section>
					</div>
		</div>
					</div>
		</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">
						<div class="elementor-container elementor-column-gap-default">
					<div class="elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-500bd34" data-id="500bd34" data-element_type="column">
			<div class="elementor-widget-wrap elementor-element-populated">
						<div class="elementor-element elementor-element-44e7973 elementor-widget elementor-widget-heading" data-id="44e7973" data-element_type="widget" data-widget_type="heading.default">
				<div class="elementor-widget-container">
					<h2 class="elementor-heading-title elementor-size-default">结果</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">喷丸表面 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">
						<div class="elementor-container elementor-column-gap-narrow">
					<div class="elementor-column elementor-col-50 elementor-inner-column elementor-element elementor-element-4c7d136" data-id="4c7d136" data-element_type="column">
			<div class="elementor-widget-wrap elementor-element-populated">
						<div class="elementor-element elementor-element-8af2d8f elementor-widget elementor-widget-image" data-id="8af2d8f" data-element_type="widget" data-widget_type="image.default">
				<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="喷丸处理表面测试" />															</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">
			<div class="elementor-widget-wrap elementor-element-populated">
						<div class="elementor-element elementor-element-4123bb8 elementor-widget elementor-widget-image" data-id="4123bb8" data-element_type="widget" data-widget_type="image.default">
				<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="喷丸处理表面分析" />															</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">
						<div class="elementor-container elementor-column-gap-narrow">
					<div class="elementor-column elementor-col-50 elementor-inner-column elementor-element elementor-element-8f73d6a" data-id="8f73d6a" data-element_type="column">
			<div class="elementor-widget-wrap elementor-element-populated">
						<div class="elementor-element elementor-element-72c2bcc elementor-widget elementor-widget-text-editor" data-id="72c2bcc" 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;">表面覆盖率</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="喷丸处理表面计量学" />															</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">
			<div class="elementor-widget-wrap elementor-element-populated">
						<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 粗糙度参数</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>萨</td>
        <td>4.330微米</td>
        <td>平均粗糙度</td>
    </tr>
    <tr>
        <td>规模</td>
        <td>5.455微米</td>
        <td>均方根粗糙度</td>
    </tr>
    <tr>
        <td>仕</td>
        <td>54.013微米</td>
        <td>最大峰谷值</td>
    </tr>
    <tr>
        <td>ǞǞǞ</td>
        <td>25.908微米</td>
        <td>最大峰值高度</td>
    </tr>
    <tr>
        <td>ǞǞǞ</td>
        <td>28.105微米</td>
        <td>最大凹坑深度</td>
    </tr>
    <tr>
        <td>价格</td>
        <td>3.0642</td>
        <td>峰度</td>
    </tr>
    <tr>
        <td>スクリート</td>
        <td>0.1108</td>
        <td>倾斜度</td>
    </tr>
    <tr>
        <td>萨尔</td>
        <td>0.1034毫米</td>
        <td>自相关长度</td>
    </tr>
    <tr>
        <td>斯特</td>
        <td>0.9733</td>
        <td>纹理纵横比</td>
    </tr>
    <tr>
        <td>斯达尔</td>
        <td>29.623 平方毫米</td>
        <td>表面积</td>
    </tr>
    <tr>
        <td>斯沃克</td>
        <td>5.167微米</td>
        <td>减少谷深</td>
    </tr>
</table>
</body>
</html>
								</div>
				</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">
						<div class="elementor-container elementor-column-gap-default">
					<div class="elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-90274a3" data-id="90274a3" data-element_type="column">
			<div class="elementor-widget-wrap elementor-element-populated">
						<div class="elementor-element elementor-element-d3c023d elementor-widget elementor-widget-heading" data-id="d3c023d" data-element_type="widget" data-widget_type="heading.default">
				<div class="elementor-widget-container">
					<h2 class="elementor-heading-title elementor-size-default">结论</h2>				</div>
				</div>
				<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">
				<div class="elementor-widget-container">
									<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>在此喷丸表面分析应用中，我们演示了 NANOVEA ST400 3D 非接触式轮廓仪如何精确表征喷丸表面的形貌和纳米细节。显然，与原材料相比，表面 1 和表面 2 对此处报告的所有参数都有显着影响。对图像进行简单的目视检查即可发现表面之间的差异。通过观察覆盖区域和列出的参数进一步证实了这一点。与表面 2 相比，表面 1 表现出较低的平均粗糙度 (Sa)、较浅的凹痕 (Sv) 和较小的表面积 (Sdar)，但覆盖面积稍高。</p><p>通过这些 3D 表面测量，可以轻松识别感兴趣的区域并进行全面的测量，包括粗糙度、光洁度、纹理、形状、形貌、平整度、翘曲、平面度、体积、台阶高度等。可以快速选择二维横截面进行详细分析。该信息允许利用全套表面测量资源对喷丸表面进行全面调查。可以使用集成的 AFM 模块进一步检查感兴趣的特定区域。 NANOVEA 3D 轮廓仪的速度高达 200 毫米/秒。它们可以在尺寸、速度、扫描功能方面进行定制，甚至可以符合 1 级洁净室标准。还提供索引传送带和内联或在线使用集成等选项。</p></div></div></div></div></div></div>								</div>
				</div>
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									<p><span class="fontstyle0">特别感谢IMF的Hayden先生提供本文所示样品。工业金属表面处理有限公司 | indmetfin.com</span></p>								</div>
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				</div><p>The post <a href="https://nanovea.com/zh/%e5%96%b7%e4%b8%b8%e8%a1%a8%e9%9d%a2%e5%88%86%e6%9e%90-2/">Shot Peened Surface Analysis</a> appeared first on <a href="https://nanovea.com/zh">NANOVEA: Advanced Profilometers, Tribometers, Nanoindenters, and Scratch Testers for Materials Testing</a>.</p>
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		<title>涂料表面形态</title>
		<link>https://nanovea.com/zh/%e6%b2%b9%e6%bc%86%e8%a1%a8%e9%9d%a2%e5%bd%a2%e6%80%81/?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>2023 年 8 月 4 日星期五 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/zh/%e6%b2%b9%e6%bc%86%e8%a1%a8%e9%9d%a2%e5%bd%a2%e6%80%81/">Paint Surface Morphology</a> appeared first on <a href="https://nanovea.com/zh">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="23049" class="elementor elementor-23049" data-elementor-post-type="post">
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					<h1 class="elementor-heading-title elementor-size-default">涂料表面形态</h1>				</div>
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					<h2 class="elementor-heading-title elementor-size-default">自动实时进化监测<br>使用纳诺维三维轮廓仪</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="涂料表面形态" />															</div>
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					<p class="elementor-heading-title elementor-size-default">编写者</p>				</div>
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					<p class="elementor-heading-title elementor-size-default">李端杰，博士</p>				</div>
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					<h2 class="elementor-heading-title elementor-size-default">简介</h2>				</div>
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									<p>涂料的保护和装饰特性在汽车、船舶、军事和建筑等多个行业中发挥着重要作用。为了获得理想的性能，如防腐蚀、防紫外线和耐磨性，涂料配方和结构需要经过仔细分析、修改和优化。</p>								</div>
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					<h3 class="elementor-heading-title elementor-size-default">三维非接触式轮廓仪对干燥涂料表面形态分析的重要性</h3>				</div>
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									<p>油漆通常以液态形式涂刷，并经历一个干燥过程，包括溶剂的蒸发和液态油漆转变为固态漆膜。在干燥过程中，油漆表面会逐渐改变形状和质地。通过使用添加剂来改变涂料的表面张力和流动特性，可以形成不同的表面效果和质感。但是，如果涂料配方不当或表面处理不当，可能会出现不理想的涂料表面失效现象。</p>
<p>在干燥期间对涂料表面形态进行准确的原位监测可以直接了解干燥机理。此外，表面形态的实时演化在各种应用（例如 3D 打印）中是非常有用的信息。纳诺维娅 <a href="https://nanovea.com/profilometers/">3D 非接触式轮廓仪</a> 在不接触样品的情况下测量材料的油漆表面形态，避免滑动触笔等接触技术可能导致的任何形状改变。</p>								</div>
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					<h2 class="elementor-heading-title elementor-size-default">测量目标</h2>				</div>
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									<p>在这一应用中，配备了高速线光学传感器的 NANOVEA ST500 非接触式轮廓仪用于监测涂料在 1 小时干燥期内的表面形态。我们展示了 NANOVEA 非接触式轮廓仪对形状不断变化的材料进行自动实时三维轮廓测量的能力。</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 大面积</span><br>
  光学 3D 轮廓仪
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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轮廓仪" />								</a>
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					<h2 class="elementor-heading-title elementor-size-default">结果与讨论</h2>				</div>
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									<p>将涂料涂抹在金属板表面，然后立即使用配备高速线传感器的 NANOVEA ST500 非接触式轮廓仪对干燥涂料的原位形态演变进行自动测量。宏编程可在特定时间间隔内自动测量和记录三维表面形态：0、5、10、20、30、40、50 和 60 分钟。与手动测试或重复扫描相比，这种自动扫描程序可使用户通过依次运行设定程序来自动执行扫描任务，大大减少了工作量、时间和可能出现的用户错误。事实证明，这种自动化对涉及不同时间间隔多次扫描的长期测量极为有用。</p><p>如图 1 所示，光学线条传感器会产生一条由 192 个点组成的亮线。这 192 个光点同时扫描样品表面，大大提高了扫描速度。这可确保快速完成每次三维扫描，避免在每次扫描过程中发生重大表面变化。</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="采用三维轮廓仪进行涂料涂层分析" />															</div>
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									<p style="text-align: center;"><span class="fontstyle0" style="color: #1b96cf;">图1:</span><span class="fontstyle0" style="color: #000000;"> 光学线传感器扫描正在干燥的涂料表面。</span></p>								</div>
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									<p>图 2、图 3 和图 4 分别显示了代表性时间的假色视图、三维视图和干燥油漆形貌的二维剖面图。图像中的假色有助于检测不易辨认的特征。不同的颜色代表样品表面不同区域的高度变化。三维视图为用户提供了从不同角度观察油漆表面的理想工具。在测试的前 30 分钟，油漆表面的假色逐渐从暖色调变为冷色调，表明在此期间高度随时间逐渐降低。这一过程会减慢，正如在 30 分钟和 60 分钟时比较油漆的颜色变化轻微所显示的那样。</p><p>样品的平均高度和粗糙度 Sa 值与涂料干燥时间的函数关系如图 5 所示。 表 1 列出了干燥 0、30 和 60 分钟后涂料的完整粗糙度分析。可以看出，在干燥时间的前 30 分钟内，油漆表面的平均高度从 471 微米迅速下降到 329 微米。溶剂汽化的同时，表面纹理也随之形成，导致粗糙度 Sa 值从 7.19 微米增加到 22.6 微米。此后，涂料干燥过程减慢，导致样品高度和 Sa 值逐渐下降，在 60 分钟时分别降至 317 微米和 19.6 微米。</p><p>这项研究强调了 NANOVEA 3D 非接触式轮廓仪在实时监测干燥涂料的 3D 表面变化方面的能力，为了解涂料干燥过程提供了宝贵的资料。通过在不接触样品的情况下测量表面形态，轮廓仪避免了滑动测针等接触式技术可能对未干涂料造成的形状改变。这种非接触式方法可确保对干燥涂料表面形态进行准确可靠的分析。</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="涂料表面形态" />															</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="涂料涂层形态" />															</div>
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									<p style="text-align: center;"><span class="fontstyle0" style="color: #1b96cf;">图2:</span><span class="fontstyle0" style="color: #000000;"> 不同时间干燥涂料表面形态的变化。</span></p>								</div>
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				<section class="elementor-section elementor-inner-section elementor-element elementor-element-1364ad7 elementor-reverse-mobile elementor-section-full_width elementor-reverse-tablet elementor-section-height-default elementor-section-height-default" data-id="1364ad7" data-element_type="section">
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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="涂层表面特性表征" />															</div>
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															<img decoding="async" src="https://nanovea.com/wp-content/uploads/2023/08/Drying-Paint-Surface-QC.jpg" title="" alt="涂层表面轮廓" loading="lazy" />															</div>
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															<img decoding="async" src="https://nanovea.com/wp-content/uploads/2023/08/Drying-Paint-Surface-Profilometry.jpg" title="" alt="涂层表面分析" loading="lazy" />															</div>
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									<p style="text-align: center;"><span class="fontstyle0" style="color: #1b96cf;">图3:</span><span class="fontstyle0" style="color: #000000;"> 不同干燥时间涂料表面演变的三维视图。</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="涂层表面轮廓测量" />															</div>
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									<p style="text-align: center;"><span class="fontstyle0" style="color: #1b96cf;">图4:</span><span class="fontstyle0" style="color: #000000;"> 不同干燥时间后油漆样品的二维剖面图。</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="涂层表面研究" />															</div>
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									<p style="text-align: center;"><span class="fontstyle0" style="color: #1b96cf;">图5:</span><span class="fontstyle0" style="color: #000000;"> 样品平均高度和粗糙度值 Sa 随涂料干燥时间的变化情况。</span></p>								</div>
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					<h3 class="elementor-heading-title elementor-size-default">ISO 25178 - 表面纹理参数</h3>				</div>
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									<table class="alignright" style="width: 100%;">
<tbody>
<tr>
<td><em><b>干燥时间（分钟）</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>平方米（微米）</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>价格</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;"> 均方根高度 </span><span class="fontstyle0" style="color: #1b96cf;"> | Sku -</span><span class="fontstyle0" style="color: #000000;"> 峰度 </span><span class="fontstyle0" style="color: #1b96cf;"> | Sp -</span><span class="fontstyle0" style="color: #000000;"> 最大峰高</span><span class="fontstyle0" style="color: #1b96cf;"> | Sv -</span><span class="fontstyle0" style="color: #000000;"> 最大基坑高度</span><span class="fontstyle0" style="color: #1b96cf;"> | Sz -</span><span class="fontstyle0" style="color: #000000;"> 最大高度</span><span class="fontstyle0" style="color: #1b96cf;"> | Sv -</span><span class="fontstyle0" style="color: #000000;"> 算术平均身高</span></p>								</div>
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									<p style="text-align: center;"><span class="fontstyle0" style="color: #1b96cf;">表1:</span><span class="fontstyle0" style="color: #000000;"> <span class="fontstyle0">不同干燥时间的涂料粗糙度。</span> <br /></span></p>								</div>
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				<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">结论</h2>				</div>
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<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">
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<p>在这一应用中，我们展示了 NANOVEA ST500 3D 非接触式轮廓仪在监测干燥过程中涂料表面形态演变方面的能力。高速光学线传感器可产生一条由 192 个光点组成的线，同时扫描样品表面，从而在确保无与伦比的精确度的同时提高了研究的时间效率。</p>
<p>采集软件的宏功能可对三维表面形态进行编程自动测量，特别适用于在特定目标时间间隔内进行多次扫描的长期测量。它大大减少了时间、精力和用户出错的可能性。在涂料干燥的过程中，表面形态的渐进变化会被持续监测和实时记录，为了解涂料的干燥机理提供有价值的信息。</p>
<p>此处显示的数据仅代表分析软件中可用计算的一小部分。NANOVEA 轮廓仪几乎能够测量任何表面，无论是透明表面、暗表面、反射表面还是不透明表面。</p></div></div></div>
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					<h2 class="elementor-heading-title elementor-size-default">有类似的应用程序吗？</h2>				</div>
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									<span class="elementor-button-text">现在就与专家讨论</span>
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									<span class="elementor-button-text">快速获取价格和详细信息</span>
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				</div><p>The post <a href="https://nanovea.com/zh/%e6%b2%b9%e6%bc%86%e8%a1%a8%e9%9d%a2%e5%bd%a2%e6%80%81/">Paint Surface Morphology</a> appeared first on <a href="https://nanovea.com/zh">NANOVEA: Advanced Profilometers, Tribometers, Nanoindenters, and Scratch Testers for Materials Testing</a>.</p>
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		<title>PTFE涂层磨损测试</title>
		<link>https://nanovea.com/zh/ptfe%e6%b6%82%e5%b1%82%e7%a3%a8%e6%8d%9f%e6%b5%8b%e8%af%95/?utm_source=rss&#038;utm_medium=rss&#038;utm_campaign=ptfe-coating-wear-test</link>
					<comments>https://nanovea.com/zh/ptfe%e6%b6%82%e5%b1%82%e7%a3%a8%e6%8d%9f%e6%b5%8b%e8%af%95/#respond</comments>
		
		<dc:creator><![CDATA[nanovea]]></dc:creator>
		<pubdate>2023 年 6 月 22 日星期四 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/zh/ptfe%e6%b6%82%e5%b1%82%e7%a3%a8%e6%8d%9f%e6%b5%8b%e8%af%95/">PTFE Coating Wear Test</a> appeared first on <a href="https://nanovea.com/zh">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="22853" class="elementor elementor-22853" data-elementor-post-type="post">
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					<h1 class="elementor-heading-title elementor-size-default">ptfe涂层磨损测试</h1>				</div>
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					<h2 class="elementor-heading-title elementor-size-default">使用摩擦仪和机械测试器</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 涂层磨损测试" />															</div>
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					<p class="elementor-heading-title elementor-size-default">编写者</p>				</div>
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					<p class="elementor-heading-title elementor-size-default">李端杰，博士</p>				</div>
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					<h2 class="elementor-heading-title elementor-size-default">简介</h2>				</div>
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									<p><span class="fontstyle0">聚四氟乙烯（PTFE），通常被称为特氟隆，是一种具有特别低的摩擦系数（COF）和出色的耐磨性的聚合物，取决于应用的负载。聚四氟乙烯表现出卓越的化学惰性，熔点高达 327°C (620°F)，并在低温下保持高强度、高韧性和自润滑性。聚四氟乙烯涂层的特殊耐磨性使其在广泛的工业应用中受到追捧，如汽车、航空航天、医疗，特别是炊具。</span></p>								</div>
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					<h3 class="elementor-heading-title elementor-size-default">量化评估的重要性
ptfe涂料的定量评估</h3>				</div>
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									<p>超低的摩擦系数（COF）、出色的耐磨性和高温下特殊的化学惰性的结合，使PTFE成为不粘锅涂层的理想选择。为了在研发过程中进一步提高其机械过程，以及确保在质量控制过程中对故障预防和安全措施的最佳控制，拥有一个可靠的技术来定量评估PTFE涂层的摩擦机械过程是至关重要的。精确控制涂层的表面摩擦、磨损和粘附是确保其预期性能的关键。</p>								</div>
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					<h2 class="elementor-heading-title elementor-size-default">测量目标</h2>				</div>
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									<p>在这个应用中，使用NANOVEA摩擦仪在线性往复模式下模拟了不粘锅的PTFE涂层的磨损过程。</p>								</div>
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																<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：石灰石和大理石磨蚀性测试" />								</a>
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									<p style="text-align: center; font-size: 18pt; color: black;">NANOVEA <span style="font-size: 18pt; color: #1b96cf;">T50 紧凑型</span> <br>
自由重量摩擦磨损测试仪</p>								</div>
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									<p>此外，NANOVEA机械测试仪被用来进行微划痕附着力测试，以确定PTFE涂层附着力失效的临界负荷。</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="纳米维划痕测试仪：PTFE 涂层磨损测试" />								</a>
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									<p style="text-align: center; font-size: 18pt; color: black;">NANOVEA <span style="font-size: 18pt; color: #1b96cf;">PB1000 大型平台</span>
机械测试仪</p>								</div>
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					<h2 class="elementor-heading-title elementor-size-default">测试程序</h2>				</div>
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					<h3 class="elementor-heading-title elementor-size-default">磨损测试</h3>				</div>
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					<h3 class="elementor-heading-title elementor-size-default">使用摩擦仪的线性往复式磨损</h3>				</div>
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									<p>使用 NANOVEA 评估 PTFE 涂层样品的摩擦学行为，包括摩擦系数 (COF) 和耐磨性 <a href="https://nanovea.com/tribometers/">摩擦仪 </a>在线性往复模式下。直径为 3 毫米（100 级）的不锈钢 440 球头用于涂覆涂层。在 PTFE 涂层磨损测试期间持续监测 COF。</p><p> </p><p>磨损率K的计算公式为K=V/(F×s)=A/(F×n)，其中V为磨损体积，F为法向载荷，s为滑动距离，A为磨损轨迹的横截面积，n是冲程数。使用 NANOVEA 评估磨损轨迹轮廓 <a href="https://nanovea.com/profilometers/">光学轮廓仪</a>，并使用光学显微镜检查磨损轨迹形态。</p>								</div>
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					<h2 class="elementor-heading-title elementor-size-default">磨损测试参数</h2>				</div>
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<td style="width: 50%; text-align: left;"><em><strong style="color: #1b96cf;">负载</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;">测试时间</strong></em></td>
<td style="width: 52.497%; text-align: right;"><em><strong>5分钟</strong></em></td>
</tr>
<tr>
<td style="width: 50%; text-align: left;"><em><strong style="color: #1b96cf;">滑动率</strong></em></td>
<td style="width: 52.497%; text-align: right;"><em><strong>80转/分钟</strong></em></td>
</tr>
<tr>
<td style="width: 50%; text-align: left;"><em><strong style="color: #1b96cf;">轨迹的振幅 </strong></em></td>
<td style="width: 52.497%; text-align: right;"><em><strong>8毫米</strong></em></td>
</tr>
<tr>
<td style="width: 50%; text-align: left;"><em><strong style="color: #1b96cf;">革命</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;">球体直径</strong></em></td>
<td style="width: 52.497%; text-align: right;"><em><strong>3毫米</strong></em></td>
</tr>
<tr>
<td style="width: 50%; text-align: left;"><em><strong style="color: #1b96cf;">球体材料</strong></em></td>
<td style="width: 52.497%; text-align: right;"><em><strong>不锈钢440</strong></em></td>
</tr>
<tr>
<td style="width: 50%; text-align: left;"><em><strong style="color: #1b96cf;">润滑油</strong></em></td>
<td style="width: 52.497%; text-align: right;"><em><strong>无</strong></em></td>
</tr>
<tr>
<td style="width: 50%; text-align: left;"><em><strong style="color: #1b96cf;">气体环境</strong></em></td>
<td style="width: 52.497%; text-align: right;"><em><strong>空气</strong></em></td>
</tr>
<tr>
<td style="width: 50%; text-align: left;"><em><strong style="color: #1b96cf;">温度 </strong></em></td>
<td style="width: 52.497%; text-align: right;"><em><strong>230C (RT)</strong></em></td>
</tr>
<tr>
<td style="width: 50%; text-align: left;"><em><strong style="color: #1b96cf;">湿度</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">
						<div class="elementor-container elementor-column-gap-narrow">
					<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">测试程序</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">划痕测试</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">使用机械测试仪进行微观划痕附着力测试</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>使用 NANOVEA 进行 PTFE 划痕粘附力测量 <a href="https://nanovea.com/mechanical-testers/">机械测试仪</a> 在微划痕测试仪模式下使用 1200 Rockwell C 金刚石触针（半径 200 μm）进行测量。</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 );">为了确保结果的可重复性，在相同的测试条件下进行了三次测试。</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">划痕测试参数</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;">装载类型</strong></em></td>
<td style="width: 52.497%; text-align: right;"><em><strong>渐进的</strong></em></td>
</tr>
<tr>
<td style="width: 50%; text-align: left;"><em><strong style="color: #1b96cf;">初始负载 </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;">终极装载</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;">装载率</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;">划痕长度</strong></em></td>
<td style="width: 52.497%; text-align: right;"><em><strong>3毫米</strong></em></td>
</tr>
<tr>
<td style="width: 50%; text-align: left;"><em><strong style="color: #1b96cf;">刮擦速度，dx/dt</strong></em></td>
<td style="width: 52.497%; text-align: right;"><em><strong>6.0毫米/分钟</strong></em></td>
</tr>
<tr>
<td style="width: 50%; text-align: left;"><em><strong style="color: #1b96cf;">压头的几何形状</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;">压印材料（尖端）</strong></em></td>
<td style="width: 52.497%; text-align: right;"><em><strong>钻石</strong></em></td>
</tr>
<tr>
<td style="width: 50%; text-align: left;"><em><strong style="color: #1b96cf;">压头半径 </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">
						<div class="elementor-container elementor-column-gap-default">
					<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">结果与讨论</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">使用摩擦仪的线性往复式磨损</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>原位记录的 COF 如图 1 所示。由于 PTFE 的粘性较低，测试样品在前 130 转期间的 COF 约为 0.18。然而，一旦涂层破裂，露出下面的基材，COF 就会突然增加到~1。线性往复测试后，使用 NANOVEA 测量磨损轨迹轮廓 <a href="https://nanovea.com/profilometers/">非接触式光学轮廓仪</a>，如图 2 所示。根据获得的数据，计算出相应的磨损率为 ~2.78 × 10-3 mm3/Nm，而磨损轨迹的深度确定为 44.94 µm。</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 涂层磨损研究" />															</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">
									NANOVEA T50摩擦仪上的PTFE涂层磨损测试设置。								</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="特氟隆 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;">图1:</span><span class="fontstyle0" style="color: #000000;"> 在PTFE涂层磨损试验中COF的演变。</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="聚四氟乙烯磨损测试" />															</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;">图2:</span><span class="fontstyle0" style="color: #000000;"> 磨损轨道PTFE的Proﬁle提取。</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">
						<div class="elementor-container elementor-column-gap-extended">
					<div class="elementor-column elementor-col-50 elementor-inner-column elementor-element elementor-element-ce74c3b" data-id="ce74c3b" data-element_type="column">
			<div class="elementor-widget-wrap elementor-element-populated">
						<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">突破前的PTFE</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;">最大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;">最小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;">平均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">突破后的PTFE</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;">最大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;">最小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;">平均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;">表1:</span><span class="fontstyle0" style="color: #000000;"> 磨损试验期间，突破前和突破后的COF。</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">
						<div class="elementor-container elementor-column-gap-default">
					<div class="elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-5eba12e" data-id="5eba12e" data-element_type="column">
			<div class="elementor-widget-wrap elementor-element-populated">
						<div class="elementor-element elementor-element-77cc5ff elementor-widget elementor-widget-heading" data-id="77cc5ff" data-element_type="widget" data-widget_type="heading.default">
				<div class="elementor-widget-container">
					<h2 class="elementor-heading-title elementor-size-default">结果与讨论</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">使用机械测试仪进行微观划痕附着力测试</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">
				<div class="elementor-widget-container">
									<p>聚四氟乙烯涂层对基材的附着力是用200微米的金刚石测针进行划痕测试来测量的。显微照片显示在图3和图4中，COF的演变，以及渗透深度显示在图5中。 PTFE涂层划痕测试结果总结在表4中。随着金刚石测针的负载增加，它逐渐渗透到涂层中，导致COF的增加。当达到~8.5N的载荷时，在高压下发生了涂层的突破和基体的暴露，导致了~0.3的高COF。表2中显示的低St Dev表明了使用NANOVEA机械测试仪进行的PTFE涂层划痕测试的可重复性。</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 涂层测试" />															</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;">图3:</span><span class="fontstyle0" style="color: #000000;"> PTFE上的完整划痕的显微照片（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 涂层划痕测试" />															</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;">图4:</span><span class="fontstyle0" style="color: #000000;"> PTFE上的完整划痕的显微照片（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 涂层摩擦测试" />															</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;">图5:</span><span class="fontstyle0" style="color: #000000;"> 摩擦图显示聚四氟乙烯的临界失效点线。</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>摩擦</i></b></td>
<td style="width: 20%; height: 48px;"><b><i>故障点 [N]</i></b></td>
<td style="width: 20%; height: 48px;"><b><i>摩擦力[N]。</i></b></td>
<td style="width: 20%; height: 48px;"><b><i>基金会</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;">平均值</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;">圣地亚哥</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>
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									<p style="text-align: center;"><span class="fontstyle0" style="color: #1b96cf;">表2:</span><span class="fontstyle0" style="color: #000000;"> 划痕试验期间的临界载荷、摩擦力和COF的总结。</span></p>								</div>
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									<p>在这项研究中，我们使用NANOVEA T50摩擦仪在线性往复模式下对不粘锅的PTFE涂层的磨损过程进行了模拟。PTFE涂层表现出较低的COF（约0.18），涂层在130转左右出现了突破。使用NANOVEA机械测试仪对PTFE涂层与金属基体的附着力进行了定量评估，在这个测试中，涂层附着力失效的临界负荷是~8.5N。</p><p> </p><p>NANOVEA摩擦仪采用符合ISO和ASTM标准的旋转和线性模式，具有精确和可重复的磨损和摩擦测试能力。它们提供了高温磨损、润滑和摩擦腐蚀的可选模块，所有这些都集成在一个系统中。这种多功能性使用户能够更准确地模拟真实的应用环境，并获得对不同材料的磨损机制和摩擦学特性的理解。</p><p> </p><p>NANOVEA机械测试仪包括纳米、微观和宏观模块，每个模块都包括符合ISO和ASTM标准的压痕、划痕和磨损测试模式，在一个系统中提供最广泛和最方便的测试能力。</p>								</div>
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				</div><p>The post <a href="https://nanovea.com/zh/ptfe%e6%b6%82%e5%b1%82%e7%a3%a8%e6%8d%9f%e6%b5%8b%e8%af%95/">PTFE Coating Wear Test</a> appeared first on <a href="https://nanovea.com/zh">NANOVEA: Advanced Profilometers, Tribometers, Nanoindenters, and Scratch Testers for Materials Testing</a>.</p>
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		<title>使用摩擦仪绘制地板的渐进式磨损图</title>
		<link>https://nanovea.com/zh/%e4%bd%bf%e7%94%a8%e6%91%a9%e6%93%a6%e7%a3%a8%e6%8d%9f%e4%bb%aa%e7%bb%98%e5%88%b6%e5%9c%b0%e6%9d%bf%e7%9a%84%e6%b8%90%e8%bf%9b%e7%a3%a8%e6%8d%9f%e5%9b%be/?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/zh/%e4%bd%bf%e7%94%a8%e6%91%a9%e6%93%a6%e7%a3%a8%e6%8d%9f%e4%bb%aa%e7%bb%98%e5%88%b6%e5%9c%b0%e6%9d%bf%e7%9a%84%e6%b8%90%e8%bf%9b%e7%a3%a8%e6%8d%9f%e5%9b%be/">Progressive Wear Mapping of Flooring using Tribometer</a> appeared first on <a href="https://nanovea.com/zh">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="22326" class="elementor elementor-22326" data-elementor-post-type="post">
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					<h1 class="elementor-heading-title elementor-size-default">地板耐磨性测试</h1>				</div>
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					<h2 class="elementor-heading-title elementor-size-default">采用集成轮廓仪的摩擦磨损测试仪进行地板渐进磨损测绘</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="地板耐磨性测试" />															</div>
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					<h2 class="elementor-heading-title elementor-size-default">编写者</h2>				</div>
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					<h2 class="elementor-heading-title elementor-size-default">刘志强</h2>				</div>
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					<h2 class="elementor-heading-title elementor-size-default">简介</h2>				</div>
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									<p>地板材料被设计为耐用，但它们经常会因运动和家具使用等日常活动而受到磨损。为了确保其使用寿命，大多数类型的地板都具有防止损坏的保护性耐磨层。然而，耐磨层的厚度和耐用性根据地板类型和人流量水平而变化。此外，地板结构内的不同层，例如 UV 涂层、装饰层和釉料，具有不同的磨损率。这就是渐进式磨损映射的用武之地。使用 NANOVEA T2000 摩擦磨损测试仪和集成 <a style="background-color: #ffffff;" href="https://nanovea.com/profilometers/">3D 非接触式轮廓仪</a>，可以对地板材料的性能和寿命进行精确监控和分析。通过提供对各种地板材料磨损行为的详细了解，科学家和技术专业人员可以在选择和设计新地板系统时做出更明智的决策。</p>								</div>
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					<h3 class="elementor-heading-title elementor-size-default">渐进式磨损图对楼板的重要性</h3>				</div>
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									<p>地板测试传统上以样品的磨损率为中心来确定其抗磨损的耐久性。然而，渐进式磨损图可以在整个测试过程中分析样品的磨损率，对其磨损行为提供宝贵的见解。这种深入的分析允许在摩擦数据和磨损率之间建立关联，这可以确定磨损的根本原因。应该注意的是，在整个磨损试验中，磨损率是不恒定的。因此，观察磨损的进展情况可以对样品的磨损进行更准确的评估。超越了传统的测试方法，采用渐进式磨损图谱，促进了地坪测试领域的重大进步。</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>带有集成 3D 非接触式轮廓仪的 NANOVEA T2000 摩擦磨损试验机是磨损测试和体积损失测量的突破性解决方案。它能够在销和轮廓仪之间精确移动，消除磨损轨迹半径或位置的任何偏差，从而保证结果的可靠性。但这还不是全部 - 3D 非接触式轮廓仪的先进功能可实现高速表面测量，将扫描时间缩短至短短几秒。 NANOVEA T2000 能够施加高达 2,000 N 的负载并实现高达 5,000 rpm 的旋转速度 <a href="https://nanovea.com/tribometers/">摩擦仪</a> 在评估过程中提供多功能性和精确性。显然，该设备在渐进磨损测绘中发挥着至关重要的作用。</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="使用摩擦磨损试验机进行地板耐磨性测试" />															</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="使用轮廓仪进行地板耐磨性测试" />															</div>
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									<p style="text-align: center;"><span class="fontstyle0" style="color: #1b96cf;">图1:</span><span class="fontstyle0" style="color: #000000;"> 磨损测试前的样品设置
(左）和磨损测试后的磨损轨迹轮廓测量（右）。</span></p>								</div>
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					<h2 class="elementor-heading-title elementor-size-default">测量目标</h2>				</div>
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									<p>对两种类型的地板材料进行了渐进式磨损图测试：石材和木材。每个样品总共经历了7个测试周期，测试时间分别为2、4、8、20、40、60和120秒，从而可以比较不同时期的磨损情况。在每个测试周期后，使用NANOVEA 3D非接触式轮廓仪对磨损轨迹进行了剖析。从轮廓仪收集的数据中，可以使用NANOVEA摩擦仪软件或我们的表面分析软件Mountains中的集成功能来分析孔的体积和磨损率。</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 高负荷</span><br />气动摩擦磨损试验机</p>								</div>
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					<h2 class="elementor-heading-title elementor-size-default">样品</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="木材和石材的磨损图谱测试样本" />															</div>
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					<h2 class="elementor-heading-title elementor-size-default">磨损图谱测试参数</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;">负载</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;">测试时间</strong></em></td><td style="width: 52.497%; text-align: right;"><em><strong>变化多端</strong></em></td></tr><tr><td style="width: 50%; text-align: left;"><em><strong style="color: #1b96cf;">速度</strong></em></td><td style="width: 52.497%; text-align: right;"><em><strong>200转/分钟</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毫米</strong></em></td></tr><tr><td style="width: 50%; text-align: left;"><em><strong style="color: #1b96cf;">距离</strong></em></td><td style="width: 52.497%; text-align: right;"><em><strong>变化多端</strong></em></td></tr><tr><td style="width: 50%; text-align: left;"><em><strong style="color: #1b96cf;">球体材料</strong></em></td><td style="width: 52.497%; text-align: right;"><em><strong>碳化钨</strong></em></td></tr><tr><td style="width: 50%; text-align: left;"><em><strong style="color: #1b96cf;">球体直径</strong></em></td><td style="width: 52.497%; text-align: right;"><em><strong>10毫米</strong></em></td></tr></tbody></table>								</div>
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									<p style="text-align: center;">在7个周期中使用的测试时间为 <span class="fontstyle0" style="color: #1b96cf;">2、4、8、20、40、60和120秒</span>分别。
所走的距离是 <span class="fontstyle0" style="color: #1b96cf;">0.40，0.81，1.66，4.16，8.36，12.55，和25.11米。</span></p>								</div>
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					<h2 class="elementor-heading-title elementor-size-default">磨损测绘结果</h2>				</div>
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					<h2 class="elementor-heading-title elementor-size-default">木地板</h2>				</div>
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									<table style="border-collapse: collapse; width: 90.0426%; height: 216px;"><tbody><tr style="height: 48px;"><td style="width: 20%; height: 48px;"><b><i>测试周期</i></b></td><td style="width: 20%; height: 48px;"><b><i>最大COF</i></b></td><td style="width: 20%; height: 48px;"><b><i>最小COF</i></b></td><td style="width: 20%; height: 48px;"><b><i>平均。价值链</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;">辐射方向</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>测试周期</i></b></td><td style="width: 20%; height: 102px;"><b><i>总体积损失（µm3</i></b></td><td style="width: 20%; height: 102px;"><b><i>总距离<br />行驶（米）</i></b></td><td style="width: 19.723%; height: 102px;"><b><i>磨损率<br />(mm/Nm) x10<sup>-5</sup></i></b></td><td style="width: 19.3314%; height: 102px;"><b><i>瞬时磨损率<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>
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															<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="木材渐进式磨损率与总距离的关系" />															</div>
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															<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="木地板磨损率" />															</div>
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									<p style="text-align: center;"><span class="fontstyle0" style="color: #1b96cf;">图2:</span><span class="fontstyle0" style="color: #000000;"> 磨损率与总行驶距离的关系（左图）<br />和木地板的瞬时磨损率与测试周期（右图）。</span></p>								</div>
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															<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="地板摩擦系数测试" />															</div>
				</div>
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				<div class="elementor-column elementor-col-50 elementor-inner-column elementor-element elementor-element-1cdc909" data-id="1cdc909" data-element_type="column">
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															<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="木地板的渐进式磨损图" />															</div>
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									<p style="text-align: center;"><span class="fontstyle0" style="color: #1b96cf;">图3:</span><span class="fontstyle0" style="color: #000000;"> 木地板上的#7测试的COF图和磨损轨迹的三维视图。</span></p>								</div>
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				<div class="elementor-element elementor-element-89ac0ae elementor-widget elementor-widget-image" data-id="89ac0ae" data-element_type="widget" data-widget_type="image.default">
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															<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="磨损测绘提取的剖面图" />															</div>
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															<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="地板耐磨测试结果" />															</div>
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															<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="地板表面特性表征" />															</div>
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									<p style="text-align: center;"><span class="fontstyle0" style="color: #1b96cf;">图4:</span><span class="fontstyle0" style="color: #000000;"> #7试验的木质磨损轨道的横断面分析</span></p>								</div>
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															<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="渐进式磨损图的体积和面积分析" />															</div>
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									<p style="text-align: center;"><span class="fontstyle0" style="color: #1b96cf;">图5:</span><span class="fontstyle0" style="color: #000000;"> 木质样品测试#7的磨损轨迹的体积和面积分析。</span></p>								</div>
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									<p style="text-align: center;">
  <a href="https://www.youtube.com/watch?v=iZ8zyF9MD5M">
    <span style="color: #1b96cf; font-size: 1.5em;">完整的结果细节，请点击这里。</span>
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				<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">
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					<h2 class="elementor-heading-title elementor-size-default">磨损测绘结果</h2>				</div>
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					<h2 class="elementor-heading-title elementor-size-default">石材地板</h2>				</div>
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									<table style="border-collapse: collapse; width: 90.0426%; height: 216px;"><tbody><tr style="height: 48px;"><td style="width: 20%; height: 48px;"><b><i>测试周期</i></b></td><td style="width: 20%; height: 48px;"><b><i>最大COF</i></b></td><td style="width: 20%; height: 48px;"><b><i>最小COF</i></b></td><td style="width: 20%; height: 48px;"><b><i>平均。价值链</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;">辐射方向</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>测试周期</i></b></td><td style="width: 20%; height: 102px;"><b><i>总体积损失（µm3</i></b></td><td style="width: 20%; height: 102px;"><b><i>总距离<br />行驶（米）</i></b></td><td style="width: 19.723%; height: 102px;"><b><i>磨损率<br />(mm/Nm) x10<sup>-5</sup></i></b></td><td style="width: 19.3314%; height: 102px;"><b><i>瞬时磨损率<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>
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															<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="石材地板的磨损率与距离" />															</div>
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															<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="石材地板的瞬时磨损率图" />															</div>
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									<p style="text-align: center;"><span class="fontstyle0" style="color: #1b96cf;">图6:</span><span class="fontstyle0" style="color: #000000;"> 磨损率与总行程对比（左）。<br />和石料地板的瞬时磨损率与测试周期（右图）。</span></p>								</div>
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				<section class="elementor-section elementor-inner-section elementor-element elementor-element-98a260b elementor-section-boxed elementor-section-height-default elementor-section-height-default" data-id="98a260b" data-element_type="section">
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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="地板耐磨性摩擦学测试" />															</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="石材地面的三维轮廓磨损轨道" />															</div>
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									<p style="text-align: center;"><span class="fontstyle0" style="color: #1b96cf;">图7:</span><span class="fontstyle0" style="color: #000000;"> #7试验在石材地板上的COF图和磨损轨迹的三维视图。</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="石材地板渐进式磨损测绘提取的剖面图" />															</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="石材地坪提取剖面最大深度和高度的孔和峰的面积" />															</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="地板摩擦学测试" />															</div>
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									<p style="text-align: center;"><span class="fontstyle0" style="color: #1b96cf;">图8:</span><span class="fontstyle0" style="color: #000000;"> #7试验的石料磨损轨迹的横截面分析。</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="木地板渐进式磨损图的体积分析" />															</div>
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									<p style="text-align: center;"><span class="fontstyle0" style="color: #1b96cf;">图9：</span><span class="fontstyle0" style="color: #000000;"> #7号石料样品的磨损痕迹的体积和面积分析。</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;">完整的结果细节，请点击这里。</span><br /></a></p>								</div>
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					<h2 class="elementor-heading-title elementor-size-default">讨论</h2>				</div>
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									瞬时磨损率用以下公式计算：
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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="地板配方的渐进式磨损图" />															</div>
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									<p>其中V是一个孔的体积，N是负载，X是总距离，这个方程式描述了测试周期之间的磨损率。瞬时磨损率可以用来更好地识别整个测试过程中的磨损率变化。</p><p>两种样品都有非常不同的磨损行为。随着时间的推移，木地板开始时的磨损率很高，但很快就下降到一个较小的稳定值。对于石材地板来说，磨损率似乎从一个低值开始，并随着周期的推移趋向于一个较高的值。瞬时磨损率也显示出很小的一致性。造成这种差异的具体原因尚不确定，但可能是由于样品的结构造成的。石材地板似乎由松散的颗粒组成，与木材的紧凑结构相比，其磨损程度不同。要确定这种磨损行为的原因，还需要进行更多的测试和研究。</p><p>摩擦系数（COF）的数据似乎与观察到的磨损行为一致。木质地板的COF图在整个周期中看起来是一致的，补充了其稳定的磨损率。石材地板的平均摩擦系数在整个循环过程中都在增加，这与磨损率随循环增加的情况类似。摩擦图的形状也有明显的变化，表明球与石材样品的互动方式发生了变化。这在第二周期和第四周期最为明显。</p>								</div>
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				<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">结论</h2>				</div>
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									<p>NANOVEA T2000摩擦仪通过分析两个不同地板样品之间的磨损率，展示了其进行渐进式磨损绘图的能力。暂停连续的磨损测试，用NANOVEA 3D非接触式轮廓仪扫描表面，对材料随时间变化的磨损行为有了宝贵的了解。</p><p>NANOVEA T2000摩擦磨损仪与集成的3D非接触式轮廓仪提供了各种各样的数据，包括COF（摩擦系数）数据、表面测量、深度读数、表面可视化、体积损失、磨损率等等。这套全面的信息使用户能够更深入地了解系统和样品之间的相互作用。NANOVEA T2000摩擦磨损仪具有可控负载、高精度、易于使用、高负载、宽速度范围和附加环境模块等特点，将摩擦学提升到一个新的水平。</p>								</div>
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				</div><p>The post <a href="https://nanovea.com/zh/%e4%bd%bf%e7%94%a8%e6%91%a9%e6%93%a6%e7%a3%a8%e6%8d%9f%e4%bb%aa%e7%bb%98%e5%88%b6%e5%9c%b0%e6%9d%bf%e7%9a%84%e6%b8%90%e8%bf%9b%e7%a3%a8%e6%8d%9f%e5%9b%be/">Progressive Wear Mapping of Flooring using Tribometer</a> appeared first on <a href="https://nanovea.com/zh">NANOVEA: Advanced Profilometers, Tribometers, Nanoindenters, and Scratch Testers for Materials Testing</a>.</p>
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		<title>使用纳米压痕对软木进行动态机械分析</title>
		<link>https://nanovea.com/zh/%e4%bd%bf%e7%94%a8%e7%ba%b3%e7%b1%b3%e5%8e%8b%e7%97%95%e6%8a%80%e6%9c%af%e5%af%b9%e8%bd%af%e6%9c%a8%e5%a1%9e%e8%bf%9b%e8%a1%8c%e5%8a%a8%e6%80%81%e5%8a%9b%e5%ad%a6%e5%88%86%e6%9e%90%e7%ba%b3/?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>2023 年 5 月 17 日星期三 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/zh/%e4%bd%bf%e7%94%a8%e7%ba%b3%e7%b1%b3%e5%8e%8b%e7%97%95%e6%8a%80%e6%9c%af%e5%af%b9%e8%bd%af%e6%9c%a8%e5%a1%9e%e8%bf%9b%e8%a1%8c%e5%8a%a8%e6%80%81%e5%8a%9b%e5%ad%a6%e5%88%86%e6%9e%90%e7%ba%b3/">Dynamic Mechanical Analysis of Cork Using Nanoindentation</a> appeared first on <a href="https://nanovea.com/zh">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">
						<section class="elementor-section elementor-top-section elementor-element elementor-element-7ec3d48 elementor-section-boxed elementor-section-height-default elementor-section-height-default" data-id="7ec3d48" data-element_type="section">
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					<h1 class="elementor-heading-title elementor-size-default">动态机械分析</h1>				</div>
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					<h2 class="elementor-heading-title elementor-size-default">使用纳米压痕法对软木进行检测
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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">编写者</h2>				</div>
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					<h2 class="elementor-heading-title elementor-size-default">刘志强</h2>				</div>
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					<h2 class="elementor-heading-title elementor-size-default">简介</h2>				</div>
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									<p>动态机械分析（DMA）是一种强大的技术，用于研究材料的机械性能。在这个应用中，我们重点分析了软木，一种广泛用于葡萄酒密封和老化过程的材料。软木，从亚栎树的树皮中获得，表现出独特的细胞结构，提供类似于合成聚合物的机械性能。在一个轴上，软木具有蜂窝状结构。其他两个轴的结构是多个类似矩形的棱镜。这使软木具有不同的机械性能，取决于被测试的方向。</p>								</div>
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					<h2 class="elementor-heading-title elementor-size-default">动态机械分析（DMA）测试在评估软木机械性能方面的重要性</h2>				</div>
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									<p>软木塞的质量在很大程度上取决于其机械和物理特性，这对其在葡萄酒密封方面的有效性至关重要。决定软木塞质量的关键因素包括弹性、绝缘性、回弹力以及对气体和液体的不渗透性。通过利用动态机械分析（DMA）测试，我们可以定量评估软木塞的弹性和回弹特性，提供一个可靠的评估方法。</p><p>NANOVEA PB1000机械测试仪在 <a href="https://nanovea.com/nano-indentation-tester/">纳米压痕</a> DMA模式可以对这些特性进行表征，特别是杨氏模量、存储模量、损失模量和tan delta（tan（δ））。DMA测试还允许收集关于软木材料的相移、硬度、应力和应变的宝贵数据。通过这些综合分析，我们对软木塞的机械行为及其在葡萄酒密封应用中的适用性有了更深入的了解。</p>								</div>
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									<p style="text-align: left;">测量目标</p>								</div>
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									<p>在这项研究中，使用NANOVEA PB1000机械测试仪在纳米压痕模式下对四个软木塞进行动态机械分析（DMA）。软木塞的质量被标示为：1 - Flor, 2 - First, 3 - Colmated, 4 - Synthetic rubber.对每个软木塞在轴向和径向都进行了DMA压痕测试。通过分析软木塞的机械反应，我们旨在深入了解其动态行为，并评估其在不同方向上的性能。</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">了解更多</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">测试参数</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;">最大力气</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;">装载率</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;">卸载率</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;">频度</strong></em></td><td style="width: 52.497%; text-align: right;"><em><strong>1赫兹</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;">压头类型</span></p><p><span style="line-height: 1.2em; color: #1b96cf; text-align: center; font-weight: bold; font-size: 2em; font-style: italic;">球类</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钢</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毫米直径</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">结果</h2>				</div>
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									<p style="text-align: left;">在下面的表格和图表中，杨氏模量、储存模量、损失模量和tan delta在每个样品和方向之间进行了比较。</p><p style="text-align: left;"><b><i>杨氏模量： </i></b>Stiﬀness；高值表示stiﬀ，低值表示flexible。</p><p style="text-align: left;"><b><i>储存模数： </i></b>弹性反应；储存在材料中的能量。</p><p style="text-align: left;"><b><i>损失模量： </i></b>粘性反应；由于热而损失的能量。</p><p style="text-align: left;"><b><i>谭（δ）： </i></b>阻尼；高值表示更多的阻尼。</p><p><em><strong style="color: #1b96cf;">轴向</strong></em></p><table style="border-collapse: collapse; width: 98.7212%; height: 8px;"><tbody><tr><td style="width: 20%;"><b><i>塞子</i></b></td><td style="width: 20%;"><b><i>杨氏模量</i></b></td><td style="width: 20%;"><b><i>存储模量</i></b></td><td style="width: 20%;"><b><i>亏损模式</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;">辐射方向</strong></em></p><table style="border-collapse: collapse; width: 98.7212%; height: 8px;"><tbody><tr><td style="width: 20%;"><b><i>塞子</i></b></td><td style="width: 20%;"><b><i>杨氏模量</i></b></td><td style="width: 20%;"><b><i>存储模量</i></b></td><td style="width: 20%;"><b><i>亏损模式</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>杨氏模量</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>存储模量</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>亏损模式</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>在软木塞之间，在轴向测试时，杨氏模量差别不大。只有塞子#2和#3在径向和轴向之间的杨氏模量有明显差异。因此，储能模量和损耗模量在径向方向上也将高于轴向方向。塞子#4显示出与天然软木塞类似的特性，除了损失模量。这相当有趣，因为这意味着天然软木塞比合成橡胶材料具有更高的粘性。</p>								</div>
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					<h2 class="elementor-heading-title elementor-size-default">结论</h2>				</div>
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									<p>纳诺维娅 <a href="https://nanovea.com/mechanical-testers/">机械测试仪</a> 在纳米划痕测试仪模式下，可以模拟许多现实生活中油漆涂层和硬质涂层的故障。通过以受控和密切监控的方式施加不断增加的负载，该仪器可以识别发生负载故障的情况。然后可以将其用作确定耐刮擦性定量值的方法。测试的涂层没有风化，已知在约 22 mN 时出现第一道裂纹。值接近 5 mN，很明显，7 年一圈已经使油漆退化。</p>
<p>对原始轮廓进行补偿，可以获得划痕期间的修正深度，也可以测量划痕后的残留深度。这就提供了关于涂层在增加载荷下的塑性与弹性行为的额外信息。裂纹和变形的信息对改善硬涂层都有很大的作用。非常小的标准偏差也显示了该仪器技术的可重复性，这可以帮助制造商提高他们的硬涂层/涂料的质量，并研究风化的影响。</p>								</div>
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					<h2 class="elementor-heading-title elementor-size-default">有类似的应用程序吗？</h2>				</div>
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				</div><p>The post <a href="https://nanovea.com/zh/%e4%bd%bf%e7%94%a8%e7%ba%b3%e7%b1%b3%e5%8e%8b%e7%97%95%e6%8a%80%e6%9c%af%e5%af%b9%e8%bd%af%e6%9c%a8%e5%a1%9e%e8%bf%9b%e8%a1%8c%e5%8a%a8%e6%80%81%e5%8a%9b%e5%ad%a6%e5%88%86%e6%9e%90%e7%ba%b3/">Dynamic Mechanical Analysis of Cork Using Nanoindentation</a> appeared first on <a href="https://nanovea.com/zh">NANOVEA: Advanced Profilometers, Tribometers, Nanoindenters, and Scratch Testers for Materials Testing</a>.</p>
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		<title>金属基材上涂料的纳米划痕和划痕测试</title>
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		<dc:creator><![CDATA[nanovea]]></dc:creator>
		<pubdate>2023 年 5 月 2 日星期二 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/zh/%e9%87%91%e5%b1%9e%e5%9f%ba%e6%9d%bf%e4%b8%8a%e7%9a%84%e7%ba%b3%e7%b1%b3%e5%88%92%e7%97%95-%e9%a9%ac%e8%b7%af%e6%b5%8b%e8%af%95-%e7%96%bc%e7%97%9b/">Nano Scratch &#038; Mar Testing of Paint on Metal Substrate</a> appeared first on <a href="https://nanovea.com/zh">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">纳米划痕和 Mar 测试</h1>				</div>
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					<h2 class="elementor-heading-title elementor-size-default">金属基材上的油漆</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">编写者</h2>				</div>
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					<h2 class="elementor-heading-title elementor-size-default">苏珊娜-卡贝罗</h2>				</div>
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					<h2 class="elementor-heading-title elementor-size-default">简介</h2>				</div>
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									<p>带或不带硬涂层的油漆是最常用的涂料之一。我们在汽车上、墙壁上、电器上以及几乎任何需要一些保护性涂层或只是为了美观的东西上都能看到它。用于保护底层基材的油漆通常含有防止油漆起火的化学品，或者仅仅是防止其失色或开裂。通常情况下，用于审美目的的油漆有各种颜色，但不一定是为了保护其底层，也不一定是为了延长使用寿命。</p><p>然而，所有的油漆都会随着时间的推移发生一些风化。涂料的风化往往会改变其属性，使之与制造者的意图不符。它可以更快断裂，受热后剥落，颜色变淡或开裂。随着时间的推移，油漆的不同属性的变化是为什么制造商oﬀ了如此广泛的选择。油漆是为满足个别客户的不同要求而定制的。</p>								</div>
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					<h2 class="elementor-heading-title elementor-size-default">纳米划痕测试对质量控制的重要性</h2>				</div>
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									<p>涂料制造商的一个主要关注点是他们的产品是否能够承受开裂。一旦油漆开始开裂，它就不能保护它所应用的基材；因此，不能满足他们的客户。例如，如果一根树枝碰巧划过一辆汽车的侧面，紧接着油漆就开始开裂，油漆的制造商就会因为油漆质量差而失去业务。油漆的质量是非常重要的，因为如果油漆下的金属暴露出来，它可能会因为新的暴露而开始生锈或腐蚀。</p><p> </p><p>像这样的原因适用于其他几个光谱，如家庭和办公用品和电子产品，玩具，研究工具等。虽然当他们第一次将油漆涂在金属涂层上时，油漆可能是抗裂的，但随着时间的推移，当样品上发生了一些风化后，其性能可能会发生变化。这就是为什么让油漆样品在其风化阶段进行测试非常重要。虽然在高负荷的压力下开裂可能是不可避免的，但制造商必须预测随着时间的推移，这种变化可能会有多大的削弱，以及aﬀecting scratch必须有多深，以便为他们的消费者提供最好的产品。</p>								</div>
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									<p style="text-align: left;">测量目标</p>								</div>
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									<p>我们必须以控制和监测的方式来模拟划痕的过程，以观察样品的行为eﬀects。在这个应用中，NANOVEA PB1000机械测试仪在纳米划痕测试模式下被用来测量导致金属基体上约7年的30-50微米厚的油漆样品失效所需的负载。</p>								</div>
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									<p><em>一支2 μm的钻石头测针在0.015 mN到20.00 mN的渐进负荷下，对涂层进行划痕。我们用0.2 mN的载荷对涂料进行了前后扫描，以确定划痕的真实深度值。真实深度分析了测试期间样品的塑性和弹性变形；而后扫描只分析了划痕的塑性变形。涂层因开裂而失效的点被当作是失效点。我们以ASTMD7187为指导来确定我们的测试参数。</em></p><p><em> </em></p><p><em>我们可以得出结论，使用风化的样品；因此，在较弱的阶段测试油漆样品，为我们提供了较低的故障点。</em></p><p><em> </em></p><p><em>对这个样本进行了五次测试，以便</em></p><p><em>确定准确的失效临界载荷。</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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									<span class="elementor-button-text">了解更多</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">测试参数</h2>				</div>
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									<p style="text-align: center;"><b><i>以下</i></b><b><i> ASTM D7027</i></b></p>								</div>
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									<p style="text-align: left;">使用配备了高速传感器的NANOVEA ST400扫描粗糙度标准件的表面，该传感器产生了192个点的亮线，如图1所示。这192个点同时扫描样品表面，导致扫描速度大大增加。</p>								</div>
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<td style="width: 50%; text-align: left;"><em><strong style="color: #1b96cf;">装载类型</strong></em></td>
<td style="width: 52.497%; text-align: right;"><em><strong>渐进的</strong></em></td>
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<td style="width: 50%; text-align: left;"><em><strong style="color: #1b96cf;">初始负载</strong></em></td>
<td style="width: 52.497%; text-align: right;"><em><strong>0.015 mN</strong></em></td>
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<td style="width: 50%; text-align: left;"><em><strong style="color: #1b96cf;">终极装载</strong></em></td>
<td style="width: 52.497%; text-align: right;"><em><strong>20 mN</strong></em></td>
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<td style="width: 50%; text-align: left;"><em><strong style="color: #1b96cf;">装载率</strong></em></td>
<td style="width: 52.497%; text-align: right;"><em><strong>20 mN/min</strong></em></td>
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<td style="width: 50%; text-align: left;"><em><strong style="color: #1b96cf;">划痕长度</strong></em></td>
<td style="width: 52.497%; text-align: right;"><em><strong>1.6毫米</strong></em></td>
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<td style="width: 50%; text-align: left;"><em><strong style="color: #1b96cf;">刮擦速度，dx/dt</strong></em></td>
<td style="width: 52.497%; text-align: right;"><em><strong>1.601毫米/分钟</strong></em></td>
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<td style="width: 50%; text-align: left;"><em><strong style="color: #1b96cf;">预扫描加载</strong></em></td>
<td style="width: 52.497%; text-align: right;"><em><strong>0.2 mN</strong></em></td>
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<td style="width: 50%; text-align: left;"><em><strong style="color: #1b96cf;">扫瞄后加载</strong></em></td>
<td style="width: 52.497%; text-align: right;"><em><strong>0.2 mN</strong></em></td>
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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="锥形压头90°锥体2µm尖端半径" />															</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;">压头类型</span><br /><br /><span style="line-height: 1.2em; color: #1b96cf; text-align: center; font-weight: bold; font-size: 2em; font-style: italic;">锥形</span><br /><br /><span style="line-height: 1.2em; color: #1b96cf; text-align: center; font-weight: bold; font-size: 1.5em; font-style: italic;">钻石90°锥体</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微米的尖端半径</span></p>								</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="锥形压头 钻石90°锥体 2微米尖端半径" />															</div>
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					<h2 class="elementor-heading-title elementor-size-default">结果</h2>				</div>
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									<p style="text-align: left;">本节介绍了在划痕试验中收集的故障数据。第一部分描述了在划痕中观察到的故障，并定义了所报告的临界载荷。下一部分包含了所有样品的临界载荷的汇总表，以及一个图形表示。最后一部分介绍了每个样品的详细结果：每个划痕的临界载荷，每个故障的显微照片，以及测试的图表。</p>								</div>
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									<p><strong><em>观察到的故障和关键负载的定义</em></strong></p>								</div>
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				<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>关键的失败：</em></strong></p>								</div>
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									<p><strong><em>初始损害</em></strong></p>								</div>
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									<p>这是沿划痕轨道观察到的第一个损伤点。</p>								</div>
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															<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="纳米级划痕 临界故障 初始损坏" />															</div>
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				<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>关键的失败：</em></strong></p>								</div>
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									<p><strong><em>完全损坏</em></strong></p>								</div>
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									<p>在这一点上，损坏比较严重的地方是油漆沿着刮痕裂开了。</p>								</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="纳米级划痕 关键故障 完全损坏" />															</div>
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		</div>
					</div>
		</section>
					</div>
		</div>
					</div>
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				<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>详细结果</em></strong></p>								</div>
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									<p><strong><em>* 失效值取自于基材开裂点。</em></strong></p>								</div>
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<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;">重要负载</strong></em></td>
</tr>
<tr style="height: 72px;">
<td style="width: 23.333%;  text-align: center; height: 72px;"><em><strong style="color: #1b96cf;">划痕模块</strong></em></td>
<td style="width: 33.3333%; text-align: CENTER; height: 72px;"><em><strong style="color: #1b96cf;">初始伤害[mN] 。</strong></em></td>
<td style="width: 44.8155%; text-align: CENTER; height: 72px;"><em><strong style="color: #1b96cf;">完全损坏 [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;">平均数</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="从纳米划痕测试中得到的完整划痕的显微照片（1000倍放大）。" />															</div>
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									<p style="text-align: center;"><span class="fontstyle0" style="color: #1b96cf;">图2:</span><span class="fontstyle0" style="color: #000000;"> 完整划痕的显微照片（1000倍放大）。</span></p>								</div>
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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="纳米划痕测试的初始损伤显微照片（1000倍放大）。" />															</div>
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									<p style="text-align: center;"><span class="fontstyle0" style="color: #1b96cf;">图3:</span><span class="fontstyle0" style="color: #000000;"> 初始损伤的显微照片（1000倍放大）。</span></p>								</div>
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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="纳米划痕测试的完全损坏的显微照片（1000倍放大）。" />															</div>
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									<p style="text-align: center;"><span class="fontstyle0" style="color: #1b96cf;">图4:</span><span class="fontstyle0" style="color: #000000;"> 完全损坏的显微照片（1000倍放大）。</span></p>								</div>
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															<img loading="lazy" decoding="async" width="955" height="434" src="https://nanovea.com/wp-content/uploads/2023/05/Friction-Force-and-Coefficient-of-Friction-NANOVEA.jpg" class="attachment-large size-large wp-image-22043" alt="线性纳米划痕测试的摩擦力和摩擦系数" />															</div>
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									<p style="text-align: center;"><span class="fontstyle0" style="color: #1b96cf;">图5:</span><span class="fontstyle0" style="color: #000000;"> 摩擦力和摩擦系数。</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="线性纳米划痕表面轮廓" />															</div>
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									<p style="text-align: center;"><span class="fontstyle0" style="color: #1b96cf;">图6:</span><span class="fontstyle0" style="color: #000000;"> 表面轮廓。</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="线性纳米划痕测试的真实深度和残余深度" />															</div>
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									<p style="text-align: center;"><span class="fontstyle0" style="color: #1b96cf;">图7:</span><span class="fontstyle0" style="color: #000000;"> 真实深度和残余深度。</span></p>								</div>
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				<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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					<h2 class="elementor-heading-title elementor-size-default">结论</h2>				</div>
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									<p>纳诺维娅 <a href="https://nanovea.com/mechanical-testers/">机械测试仪</a> 在里面 <a href="https://nanovea.com/scratch-tester/">纳米划痕测试仪</a> 模式可以模拟许多现实生活中的油漆涂层和硬涂层的故障。通过以受控和密切监测的方式施加越来越大的负载，该仪器可以确定在何种负载下会发生故障。然后，这可以作为确定耐刮擦性的定量值的方法。所测试的涂层，在没有风化的情况下，已知在大约22毫牛时出现第一道裂纹。如果数值接近5 mN，很明显，7年的搭接已经使涂料退化了。</p><p>对原始轮廓的补偿可以在划痕期间获得修正的深度，并测量划痕后的残余深度。这就提供了关于涂层在增加载荷下的塑性与弹性行为的额外信息。裂纹和变形的信息对改善硬涂层都有很大的作用。非常小的标准偏差也显示了仪器技术的可重复性，这可以帮助制造商提高其硬涂层/涂料的质量，并研究风化的影响。</p>								</div>
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					<h2 class="elementor-heading-title elementor-size-default">有类似的应用程序吗？</h2>				</div>
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					<a class="elementor-button elementor-size-sm" role="button">
						<span class="elementor-button-content-wrapper">
									<span class="elementor-button-text">现在就与专家讨论</span>
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				</div><p>The post <a href="https://nanovea.com/zh/%e9%87%91%e5%b1%9e%e5%9f%ba%e6%9d%bf%e4%b8%8a%e7%9a%84%e7%ba%b3%e7%b1%b3%e5%88%92%e7%97%95-%e9%a9%ac%e8%b7%af%e6%b5%8b%e8%af%95-%e7%96%bc%e7%97%9b/">Nano Scratch &#038; Mar Testing of Paint on Metal Substrate</a> appeared first on <a href="https://nanovea.com/zh">NANOVEA: Advanced Profilometers, Tribometers, Nanoindenters, and Scratch Testers for Materials Testing</a>.</p>
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