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	<title>Profilométrie - Notes d'application sur la texture et le grain - NANOVEA : Profilomètres, tribomètres, nanoindeurs et appareils de test de rayures avancés pour les essais de matériaux</title>
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	<title>Profilométrie - Notes d'application sur la texture et le grain - NANOVEA : Profilomètres, tribomètres, nanoindeurs et appareils de test de rayures avancés pour les essais de matériaux</title>
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		<title>Stent Coating Adhesion and Delamination Analysis Using Nano Scratch Testing</title>
		<link>https://nanovea.com/fr/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/fr/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/fr/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/fr">NANOVEA: Advanced Profilometers, Tribometers, Nanoindenters, and Scratch Testers for Materials Testing</a>.</p>
]]></description>
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									<p>Application Note | Stent Coating Adhesion Testing</p>								</div>
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					<h1 class="elementor-heading-title elementor-size-default">Stent Coating Adhesion and Delamination Analysis Using Nano Scratch Testing</h1>				</div>
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					<h2 class="elementor-heading-title elementor-size-default">Quantifying Coating Failure and Adhesion Performance on Drug-Eluting Stents</h2>				</div>
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															<img fetchpriority="high" decoding="async" width="1400" height="420" src="https://nanovea.com/wp-content/uploads/2026/03/stent-coating-delamination-nano-scratch-critical-load.jpg" class="attachment-full size-full wp-image-26273" alt="stent coating adhesion testing nano scratch delamination critical load" />															</div>
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					<p class="elementor-heading-title elementor-size-default">Duanjie Li, PhD</p>				</div>
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					<p class="elementor-heading-title elementor-size-default">Andrew Shore</p>				</div>
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					<h2 class="elementor-heading-title elementor-size-default">Introduction</h2>				</div>
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									<p data-start="836" data-end="1458">Blood is carried through arteries from the heart to the rest of the body. Any weakening or blockage of these vessels can pose significant health risks and may become life-threatening. A stent is a small mesh tube inserted into the lumen of a blood vessel to treat narrowed or weakened arteries. Stent implantation is now a widely used procedure to support the arterial wall and restore blood flowᶦ.</p>								</div>
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															<img decoding="async" width="1200" height="320" src="https://nanovea.com/wp-content/uploads/2026/03/medical-stent-mesh-structure-metal-stent-geometry.jpg" class="attachment-full size-full wp-image-26304" alt="" />															</div>
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									<p>Metal stent mesh geometry illustrating the structural complexity of vascular implant design.</p>								</div>
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					<h2 class="elementor-heading-title elementor-size-default">Why coating adhesion matters in drug-eluting stents</h2>				</div>
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									<p data-start="786" data-end="1054">Drug-eluting stents represent a major advancement in stent technology. They incorporate a biodegradable, biocompatible polymer coating that enables controlled drug release at the arterial site, helping to inhibit intimal thickening and reduce the risk of restenosisᶦᶦ.</p><p data-start="1056" data-end="1284">A critical concern in these systems is the delamination of the polymer coating from the metallic stent substrate. This coating carries the drug-eluting layer, and its adhesion directly impacts device performance and reliability.</p><p data-start="1286" data-end="1537">To improve coating adhesion, stents are often designed with complex geometries. In this study, the polymer coating is located at the bottom of grooves within the stent mesh. This configuration presents a significant challenge for adhesion measurement.</p><p data-start="1539" data-end="1795">A reliable method is required to quantitatively evaluate the interfacial strength between the polymer coating and the metal substrate. The small diameter of the stent mesh, comparable to a human hair, combined with its three-dimensional geometry, requires:</p><ul data-start="1796" data-end="1916"><li data-section-id="1n0qc6y" data-start="1796" data-end="1834">ultrafine X-Y positioning accuracy</li><li data-section-id="1003zy" data-start="1835" data-end="1870">precise control of applied load</li><li data-section-id="q3r43w" data-start="1871" data-end="1916">accurate depth measurement during testing</li></ul>								</div>
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									<p>ℹ️<em data-start="1410" data-end="1468"> En savoir plus sur <a href="https://nanovea.com/nanoindentation-and-scratch-testing-lab-services/">nanoindentation and scratch testing lab services for coating adhesion and failure analysis</a>.</em></p>								</div>
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					<h2 class="elementor-heading-title elementor-size-default">Measurement Method</h2>				</div>
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									<p data-start="267" data-end="454">Nano scratch testing is performed using the <a href="https://nanovea.com/instruments/pb1000/">NANOVEA PB1000 Essai mécanique</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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					<h2 class="elementor-heading-title elementor-size-default">Conditions d'essai</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>Progressif</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>Conique</td></tr><tr><td>Indenter material (tip)</td><td>Diamant</td></tr><tr><td>Rayon de la pointe du pénétrateur</td><td>20 µm</td></tr><tr><td>Température</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;">Tableau 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>
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<td>Load type</td>
<td>Progressif</td>
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<td>Initial load</td>
<td>0.1 mN</td>
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<tr>
<td>Final load</td>
<td>300 mN</td>
</tr>
<tr>
<td>Taux de chargement</td>
<td>300 mN/min</td>
</tr>
<tr>
<td>Scratch length</td>
<td>0.25 mm</td>
</tr>
<tr>
<td>Scratch speed</td>
<td>0.25 mm/min</td>
</tr>
<tr>
<td>Indenter geometry</td>
<td>40° cone</td>
</tr>
<tr>
<td>Indenter material (tip)</td>
<td>Diamant</td>
</tr>
<tr>
<td>Rayon de la pointe du pénétrateur</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">Résultats et discussion</h2>				</div>
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				<section class="elementor-section elementor-top-section elementor-element elementor-element-55f91f5 elementor-section-boxed elementor-section-height-default elementor-section-height-default" data-id="55f91f5" data-element_type="section">
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									<p data-start="548" data-end="837">The stent mesh has a diameter of approximately 100 μm, comparable to a human hair. Precise positioning is therefore critical to ensure the scratch test is performed at the center of the stent mesh. The NANOVEA Mechanical Tester provides X–Y positioning accuracy down to 0.25 μm, enabling accurate test placement under the integrated optical microscope.</p>								</div>
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					<h3 class="elementor-heading-title elementor-size-default">1. Regular Stent Samples</h3>				</div>
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									<p data-start="641" data-end="857">Nano scratch testing is performed with a progressively increasing load up to 300 mN. The full scratch track on the stent is shown in Fig. 3a, while failure behavior at different stages is presented in Fig. 3b and 3c.</p><p data-start="859" data-end="893">Two critical loads are identified:</p><ul data-start="894" data-end="1061"><li data-section-id="14iz9qw" data-start="894" data-end="972">Lc1: the load at which the first visible damage appears on the coating</li><li data-section-id="1mmzt6b" data-start="973" data-end="1061">Lc2: the load at which the coating is fully removed and the substrate is exposed</li></ul><p data-start="1063" data-end="1226">The evolution of coefficient of friction (COF) and penetration depth is shown in Fig. 4, providing insight into the progression of coating failure during the test.</p><p data-start="1228" data-end="1499">The first signs of coating damage appear at Lc1 ≈ 14.5 mN. As the applied load increases, the diamond tip progressively penetrates the polymer coating, resulting in a wider and deeper scratch track. During this phase, the COF increases from approximately 0.05 to 0.7.</p><p data-start="1501" data-end="1756">At Lc2 ≈ 78.1 mN, the coating is fully delaminated from the metal substrate. Beyond this point, as the load continues to increase, both COF and penetration depth remain relatively stable due to the mechanical support of the underlying metal substrate.</p>								</div>
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				<section class="elementor-section elementor-top-section elementor-element elementor-element-23d3399 elementor-reverse-mobile elementor-section-boxed elementor-section-height-default elementor-section-height-default" data-id="23d3399" data-element_type="section">
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															<img loading="lazy" decoding="async" width="1200" height="404" src="https://nanovea.com/wp-content/uploads/2026/03/stent-coating-nano-scratch-track-full-progressive-load.jpg" class="attachment-full size-full wp-image-26293" alt="nano scratch track stent coating progressive load adhesion testing" />															</div>
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									<p>(a) Full Scratch Track</p>								</div>
				</div>
				<section class="elementor-section elementor-inner-section elementor-element elementor-element-7016a63 elementor-reverse-mobile elementor-section-full_width elementor-reverse-tablet elementor-section-height-default elementor-section-height-default" data-id="7016a63" data-element_type="section">
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															<img loading="lazy" decoding="async" width="897" height="670" src="https://nanovea.com/wp-content/uploads/2026/03/stent-coating-initial-failure-lc1-nano-scratch-14-5mn.jpg" class="attachment-large size-large wp-image-26294" alt="" />															</div>
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									<p>(b) <strong data-start="599" data-end="616">Lc1 ≈ 14.5 mN</strong></p>								</div>
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															<img loading="lazy" decoding="async" width="897" height="670" src="https://nanovea.com/wp-content/uploads/2026/03/stent-coating-delamination-lc2-nano-scratch-78-1mn.jpg" class="attachment-large size-large wp-image-26295" alt="stent coating delamination lc2 nano scratch 78.1 mN adhesion testing" />															</div>
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									<p>(c) <strong data-start="625" data-end="642">Lc2 ≈ 78.1 mN</strong></p>								</div>
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									<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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		</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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					<h2 class="elementor-heading-title elementor-size-default">Conclusion</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">Références</h2>				</div>
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									<p data-start="414" data-end="843"><em>[I] http://www.nhlbi.nih.gov/health/health-topics/topics/stents</em><br /><em>[II] http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S1405-99402006000300008 </em></p>								</div>
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					<h2 class="elementor-heading-title elementor-size-default">Frequently Asked Questions About Stent Coating Adhesion Testing</h2>				</div>
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					<h3 class="elementor-heading-title elementor-size-default">What is stent coating adhesion testing?</h3>				</div>
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									<p data-start="168" data-end="494">Stent coating adhesion testing evaluates how strongly a polymer coating is bonded to the metal substrate of a stent. Techniques such as nano scratch testing quantify the load at which coating damage and delamination occur, providing measurable indicators of adhesion strength.</p>								</div>
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					<h3 class="elementor-heading-title elementor-size-default">What is critical load (Lc) in nano scratch testing?</h3>				</div>
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									<p data-start="658" data-end="746">Critical load (Lc) is the applied load at which a coating fails during a scratch test.</p><ul data-start="747" data-end="890"><li data-section-id="bhdxv4" data-start="747" data-end="813">Lc1 corresponds to the first visible damage in the coating</li><li data-section-id="4photk" data-start="814" data-end="890">Lc2 indicates complete coating removal and exposure of the substrate</li></ul><p data-start="892" data-end="967">These values are used to quantify and compare coating adhesion performance.</p>								</div>
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					<h3 class="elementor-heading-title elementor-size-default">Why is coating adhesion important in drug-eluting stents?</h3>				</div>
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									<p data-start="168" data-end="494">Coating adhesion directly affects the reliability of drug-eluting stents. Poor adhesion can lead to coating delamination, which may compromise controlled drug release and increase the risk of device failure.</p>								</div>
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					<h3 class="elementor-heading-title elementor-size-default">How do you measure coating adhesion inside stent grooves?</h3>				</div>
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									<p data-start="168" data-end="494">Measuring adhesion inside stent grooves requires high positioning accuracy and appropriate indenter geometry. Nano scratch testing with sharp diamond tips allows access to recessed coating regions, enabling direct evaluation of adhesion within complex stent geometries.</p>								</div>
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					<h3 class="elementor-heading-title elementor-size-default">What does coefficient of friction (COF) indicate in scratch testing?</h3>				</div>
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									<p data-start="168" data-end="494">The coefficient of friction (COF) reflects changes in surface interaction during the scratch test. A sudden increase in COF often indicates coating failure and contact between the indenter and the underlying metal substrate.</p>								</div>
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					<h3 class="elementor-heading-title elementor-size-default">How can nano scratch testing compare different coating formulations?</h3>				</div>
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									<p data-start="168" data-end="494">Nano scratch testing enables direct comparison of coatings by measuring critical loads under controlled conditions. Higher critical loads indicate stronger adhesion and improved resistance to delamination, allowing selection of better-performing coating systems.</p>								</div>
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					<h2 class="elementor-heading-title elementor-size-default">Need Reliable Stent Coating Adhesion Testing?</h2>				</div>
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				</div><p>The post <a href="https://nanovea.com/fr/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/fr">NANOVEA: Advanced Profilometers, Tribometers, Nanoindenters, and Scratch Testers for Materials Testing</a>.</p>
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		<title>Dental Surface Roughness Measurement &#038; 3D Tooth Topography</title>
		<link>https://nanovea.com/fr/dental-surface-roughness-measurement-3d-tooth-topography/?utm_source=rss&#038;utm_medium=rss&#038;utm_campaign=dental-surface-roughness-measurement-3d-tooth-topography</link>
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		<dc:creator><![CDATA[Andrew Shore]]></dc:creator>
		<pubdate>Thu, 05 Mar 2026 21:02:01 +0000</pubdate>
				<category><![CDATA[Application Notes]]></category>
		<category><![CDATA[Laboratory Testing]]></category>
		<category><![CDATA[Profilometry | Geometry and Shape]]></category>
		<category><![CDATA[Profilometry | Roughness and Finish]]></category>
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		<guid ispermalink="false">https://nanovea.com/?p=26196</guid>

					<description><![CDATA[<p>Application Note &#124; Dental Surface Characterization Dental Surface Roughness Measurement and Full 3D Tooth Topography Surface Roughness Analysis Using Non-Contact Optical Profilometry Request Surface Analysis Ask an Expert Live Prepared by Walter Alabiso, PhD; Davide Morrone, MPhys; Andrew Shore, MA Introduction The ability to accurately characterize tooth surfaces, including micro-roughness and 3D surface topography at [&#8230;]</p>
<p>The post <a href="https://nanovea.com/fr/dental-surface-roughness-measurement-3d-tooth-topography/">Dental Surface Roughness Measurement &#038; 3D Tooth Topography</a> appeared first on <a href="https://nanovea.com/fr">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="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">Préparé par</p>				</div>
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					<p class="elementor-heading-title elementor-size-default">Walter Alabiso, PhD; Davide Morrone, MPhys; Andrew Shore, MA</p>				</div>
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				<section class="elementor-section elementor-top-section elementor-element elementor-element-b5911d1 elementor-section-content-middle elementor-reverse-mobile elementor-reverse-tablet elementor-section-boxed elementor-section-height-default elementor-section-height-default" data-id="b5911d1" data-element_type="section" data-settings="{&quot;background_background&quot;:&quot;classic&quot;}">
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					<h2 class="elementor-heading-title elementor-size-default">Introduction</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"> En savoir plus sur <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">Dans cette application, le <a href="https://nanovea.com/instruments/jr25/" target="_blank" rel="noopener">NANOVEA JR25 Non-Contact Optical Profiler</a> was used to analyze the surface roughness and 3D surface topography of an adult human molar previously affected by tooth decay. The side of the tooth was scanned using a PS2–MG140 single-point optical sensor to measure surface roughness parameters over a defined region of interest and along multiple line profiles.</p><p data-start="699" data-end="888">The crown of the tooth was then scanned and reconstructed using a PS5–MG35 single-point optical sensor, which is suited for larger-area acquisition and full 3D tooth topography measurement.</p>								</div>
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				<section class="elementor-section elementor-inner-section elementor-element elementor-element-d556682 elementor-reverse-mobile elementor-section-full_width elementor-reverse-tablet elementor-section-height-default elementor-section-height-default" data-id="d556682" data-element_type="section">
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									<p style="text-align: center; font-size: 20pt; color: black;"><br />NANOVEA <span style="font-size: 20pt; color: #1b96cf;">JR25 Portable</span><br />Profilomètre optique</p>								</div>
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																<a href="https://nanovea.com/instruments/j/">
							<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">Paramètres de mesure</h2>				</div>
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									<p data-start="1228" data-end="1620">The following measurement parameters were used for localized surface roughness analysis and full 3D surface reconstruction of the molar crown using NANOVEA single-point optical sensors.</p>								</div>
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<table class="measurement-table">
<thead>
<tr>
<th>Parameter</th>
<th>Roughness Analysis (Area)</th>
<th>Roughness Analysis (Profiles)</th>
<th>Full 3D Reconstruction</th>
</tr>
</thead>
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<td>Optical Pen</td>
<td>PS2-MG140</td>
<td>PS2-MG140</td>
<td>PS5-MG35</td>
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<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>Averaging (Avg)</td>
<td>1</td>
<td>1</td>
<td>1</td>
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<tr>
<td>Measurement Type</td>
<td>Direct</td>
<td>Direct</td>
<td>Direct</td>
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<td>Acquisition Mode</td>
<td>Single Frequency</td>
<td>Single Frequency</td>
<td>Dual Frequency</td>
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<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>
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					<h2 class="elementor-heading-title elementor-size-default">Optical Profilometry Results</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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					<h3 class="elementor-heading-title elementor-size-default">Surface Roughness Analysis (Area)</h3>				</div>
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									<p data-start="548" data-end="837">The PS2 single-point optical sensor was used to investigate fine surface features on the side of the tooth. The image below shows a false-color 2D surface map of the scanned region obtained by non-contact optical profilometry.</p>								</div>
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															<img loading="lazy" decoding="async" width="1162" height="906" src="https://nanovea.com/wp-content/uploads/2026/03/tooth-scanned-region-2d-height-map.jpg" class="attachment-full size-full wp-image-26127" alt="False-color 2D height map of scanned tooth surface region" />															</div>
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									<p data-start="548" data-end="837">A least-squares degree-8 polynomial form removal was applied to isolate the surface roughness component. The roughness filters S-Gaussian 2.5 µm and L-Gaussian 0.8 mm were then applied according to ISO 25178. The resulting filtered surface and corresponding roughness parameters are presented below.</p>								</div>
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				<section class="elementor-section elementor-inner-section elementor-element elementor-element-e80acb9 elementor-reverse-mobile elementor-section-full_width elementor-reverse-tablet elementor-section-height-default elementor-section-height-default" data-id="e80acb9" data-element_type="section">
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															<img loading="lazy" decoding="async" width="950" height="748" src="https://nanovea.com/wp-content/uploads/2026/03/tooth-surface-roughness-iso-25178-filtered-map.jpg" class="attachment-full size-full wp-image-26133" alt="" />															</div>
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									<div class="iso-roughness-table-wrapper"><table class="iso-roughness-table"><tbody><!-- Filter Settings --><tr class="section-header"><td colspan="4">ISO 25178 – Roughness (S-L)</td></tr><tr><td colspan="4"><strong>S-filter (λs):</strong> Gaussian, 2.5 µm</td></tr><tr><td colspan="4"><strong>F:</strong> [Workflow] Form removed (LS-poly 8)</td></tr><tr><td colspan="4"><strong>L-filter (λc):</strong> Gaussian, 0.8 mm</td></tr><!-- Height Parameters Header --><tr class="section-header"><td colspan="4">Height Parameters</td></tr><!-- Height Parameter Rows --><tr><td class="param-code">Sq</td><td>2.433</td><td>µm</td><td>Hauteur racine carrée moyenne</td></tr><tr><td class="param-code">Ssk</td><td>-0.102</td><td> </td><td>Skewness</td></tr><tr><td class="param-code">UGS</td><td>3.715</td><td> </td><td>Kurtosis</td></tr><tr><td class="param-code">Sp</td><td>18.861</td><td>µm</td><td>Hauteur maximale du pic</td></tr><tr><td class="param-code">Sv</td><td>16.553</td><td>µm</td><td>Maximum pit depth</td></tr><tr><td class="param-code">Sz</td><td>35.414</td><td>µm</td><td>Hauteur maximale</td></tr><tr><td class="param-code">Sa</td><td>1.888</td><td>µm</td><td>Hauteur moyenne arithmétique</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> Aucun</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> Aucun</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> Aucun</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> Aucun</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">Conclusion</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">Références</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/fr/dental-surface-roughness-measurement-3d-tooth-topography/">Dental Surface Roughness Measurement &#038; 3D Tooth Topography</a> appeared first on <a href="https://nanovea.com/fr">NANOVEA: Advanced Profilometers, Tribometers, Nanoindenters, and Scratch Testers for Materials Testing</a>.</p>
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		<title>Analyse de surface grenaillée</title>
		<link>https://nanovea.com/fr/analyse-de-surface-grenaillee/?utm_source=rss&#038;utm_medium=rss&#038;utm_campaign=shot-peened-surface-analysis</link>
					<comments>https://nanovea.com/fr/analyse-de-surface-grenaillee/#respond</comments>
		
		<dc:creator><![CDATA[nanovea]]></dc:creator>
		<pubdate>Mer 16 août 2023 14:19:21 +0000</pubdate>
				<category><![CDATA[Application Notes]]></category>
		<category><![CDATA[Laboratory Testing]]></category>
		<category><![CDATA[Profilometry | Roughness and Finish]]></category>
		<category><![CDATA[Profilometry | Texture and Grain]]></category>
		<category><![CDATA[Profilometry Testing]]></category>
		<guid ispermalink="false">https://nanovea.com/?p=23106</guid>

					<description><![CDATA[<p>SHOT PEENED SURFACE ANALYSIS USING 3D NON-CONTACT PROFILOMETER Prepared by CRAIG LEISING INTRODUCTION Shot peening is a process in which a substrate is bombarded with spherical metal, glass, or ceramic beads—commonly referred to as &#8220;shot&#8221;—at a force intended to induce plasticity on the surface. Analyzing the characteristics before and after peening provides crucial insights for [&#8230;]</p>
<p>The post <a href="https://nanovea.com/fr/analyse-de-surface-grenaillee/">Shot Peened Surface Analysis</a> appeared first on <a href="https://nanovea.com/fr">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">ANALYSE DE SURFACE GRAPPEE</h1>				</div>
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					<h2 class="elementor-heading-title elementor-size-default">UTILISATION DU PROFILOMÈTRE 3D SANS CONTACT</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">Préparé par</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">INTRODUCTION</h2>				</div>
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									<p>Le grenaillage est un processus dans lequel un substrat est bombardé avec des billes sphériques de métal, de verre ou de céramique - communément appelées &quot;grenaille&quot; - à une force destinée à induire une plasticité sur la surface. L&#039;analyse des caractéristiques avant et après le grenaillage fournit des informations cruciales pour améliorer la compréhension et le contrôle du processus. La rugosité de la surface et la zone de couverture des fossettes laissées par le tir sont des aspects particulièrement intéressants.</p>								</div>
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					<h3 class="elementor-heading-title elementor-size-default">Importance du profilomètre 3D sans contact pour l&#039;analyse de surface grenaillée</h3>				</div>
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									<p>Contrairement aux profilomètres à contact traditionnels, traditionnellement utilisés pour l&#039;analyse des surfaces grenaillées, la mesure 3D sans contact fournit une image 3D complète pour offrir une compréhension plus complète de la zone de couverture et de la topographie de la surface. Sans fonctionnalités 3D, une inspection s’appuiera uniquement sur des informations 2D, insuffisantes pour caractériser une surface. Comprendre la topographie, la zone de couverture et la rugosité en 3D constitue la meilleure approche pour contrôler ou améliorer le processus de grenaillage. NANOVEA <a href="https://nanovea.com/profilometers/">Profilomètres 3D sans contact</a> utilise la technologie Chromatic Light avec une capacité unique à mesurer les angles abrupts trouvés sur les surfaces usinées et martelées. De plus, lorsque d&#039;autres techniques ne parviennent pas à fournir des données fiables en raison du contact de la sonde, de la variation de la surface, de l&#039;angle ou de la réflectivité, les profilomètres NANOVEA réussissent.</p>								</div>
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					<h2 class="elementor-heading-title elementor-size-default">OBJECTIF DE MESURE</h2>				</div>
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									<p>Dans cette application, le profilomètre sans contact NANOVEA ST400 est utilisé pour mesurer la matière première et deux surfaces martelées différemment pour un examen comparatif. Il existe une liste interminable de paramètres de surface qui peuvent être calculés automatiquement après le scan de surface 3D. Ici, nous examinerons la surface 3D et sélectionnerons les zones d&#039;intérêt pour une analyse plus approfondie, y compris la quantification et l&#039;étude de la rugosité, des fossettes et de la surface.</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 Standard</span><br />Profilomètre optique 3D</p>								</div>
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							<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="Profilomètre 3D NANOVEA ST500" />								</a>
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					<h2 class="elementor-heading-title elementor-size-default">L&#039;ÉCHANTILLON</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="Essai sur surface grenaillée" />															</div>
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					<h2 class="elementor-heading-title elementor-size-default">RÉSULTATS</h2>				</div>
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					<h3 class="elementor-heading-title elementor-size-default">SURFACE EN ACIER</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="Rugosité de surface grenaillée" />															</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="Caractérisation des surfaces grenaillées" />															</div>
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									<p style="text-align: center;"><span class="fontstyle0" style="color: #1b96cf;">ISO 25178</span><span class="fontstyle0" style="color: #000000;"> PARAMÈTRES DE RUGOSITÉ 3D</span></p>								</div>
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        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 μm</td>
<td>Rugosité moyenne</td>
</tr>
<tr>
<td>Sq</td>
<td>0,516 μm</td>
<td>Rugosité RMS</td>
</tr>
<tr>
<td>Sz</td>
<td>5,686 μm</td>
<td>Pic à vallée maximum</td>
</tr>
<tr>
<td>Sp</td>
<td>2,976 μm</td>
<td>Hauteur maximale du pic</td>
</tr>
<tr>
<td>Sv</td>
<td>2,711 μm</td>
<td>Profondeur maximale de la fosse</td>
</tr>
<tr>
<td>UGS</td>
<td>3.9344</td>
<td>Kurtosis</td>
</tr>
<tr>
<td>Ssk</td>
<td>-0.0113</td>
<td>Skewness</td>
</tr>
<tr>
<td>Sal</td>
<td>0,0028 millimètres</td>
<td>Longueur d&#039;auto-corrélation</td>
</tr>
<tr>
<td>Str</td>
<td>0.0613</td>
<td>Rapport d&#039;aspect des textures</td>
</tr>
<tr>
<td>Sdar</td>
<td>26,539 mm²</td>
<td>Superficie</td>
</tr>
<tr>
<td>Svk</td>
<td>0,589 μm</td>
<td>Profondeur réduite de la vallée</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">RÉSULTATS</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">SURFACE MARTELÉE 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="Profil de surface grenaillé" />															</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="Profilométrie de surface grenaillée" />															</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;">SURFACE COUVERTE </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="Étude des surfaces grenaillées" />															</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;"> PARAMÈTRES DE RUGOSITÉ 3D</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>Sa</td>
        <td>4.102 μm</td>
        <td>Rugosité moyenne</td>
    </tr>
    <tr>
        <td>Sq</td>
        <td>5,153 μm</td>
        <td>Rugosité RMS</td>
    </tr>
    <tr>
        <td>Sz</td>
        <td>44,975 μm</td>
        <td>Pic à vallée maximum</td>
    </tr>
    <tr>
        <td>Sp</td>
        <td>24,332 μm</td>
        <td>Hauteur maximale du pic</td>
    </tr>
    <tr>
        <td>Sv</td>
        <td>20,644 μm</td>
        <td>Profondeur maximale de la fosse</td>
    </tr>
    <tr>
        <td>UGS</td>
        <td>3.0187</td>
        <td>Kurtosis</td>
    </tr>
    <tr>
        <td>Ssk</td>
        <td>0.0625</td>
        <td>Skewness</td>
    </tr>
    <tr>
        <td>Sal</td>
        <td>0,0976 mm</td>
        <td>Longueur d&#039;auto-corrélation</td>
    </tr>
    <tr>
        <td>Str</td>
        <td>0.9278</td>
        <td>Rapport d&#039;aspect des textures</td>
    </tr>
    <tr>
        <td>Sdar</td>
        <td>29,451 mm²</td>
        <td>Superficie</td>
    </tr>
    <tr>
        <td>Svk</td>
        <td>5,008 μm</td>
        <td>Profondeur réduite de la vallée</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">RÉSULTATS</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">SURFACE MARTELÉE 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="Essai sur surface grenaillée" />															</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="Analyse d&#039;une surface grenaillée" />															</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;">SURFACE COUVERTE</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="Métrologie des surfaces grenaillées" />															</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;"> PARAMÈTRES DE RUGOSITÉ 3D</span></p>								</div>
				</div>
				<div class="elementor-element elementor-element-8ce3112 elementor-widget__width-initial elementor-widget elementor-widget-text-editor" data-id="8ce3112" data-element_type="widget" data-widget_type="text-editor.default">
				<div class="elementor-widget-container">
									<!DOCTYPE html>
<html>
<head>
    <style>
        table {
            border-collapse: collapse;
            width: 100%;
        }

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

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

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

<table>
    <tr>
        <td>Sa</td>
        <td>4.330 μm</td>
        <td>Rugosité moyenne</td>
    </tr>
    <tr>
        <td>Sq</td>
        <td>5,455 μm</td>
        <td>Rugosité RMS</td>
    </tr>
    <tr>
        <td>Sz</td>
        <td>54,013 μm</td>
        <td>Pic à vallée maximum</td>
    </tr>
    <tr>
        <td>Sp</td>
        <td>25,908 μm</td>
        <td>Hauteur maximale du pic</td>
    </tr>
    <tr>
        <td>Sv</td>
        <td>28.105 μm</td>
        <td>Profondeur maximale de la fosse</td>
    </tr>
    <tr>
        <td>UGS</td>
        <td>3.0642</td>
        <td>Kurtosis</td>
    </tr>
    <tr>
        <td>Ssk</td>
        <td>0.1108</td>
        <td>Skewness</td>
    </tr>
    <tr>
        <td>Sal</td>
        <td>0,1034 mm</td>
        <td>Longueur d&#039;auto-corrélation</td>
    </tr>
    <tr>
        <td>Str</td>
        <td>0.9733</td>
        <td>Rapport d&#039;aspect des textures</td>
    </tr>
    <tr>
        <td>Sdar</td>
        <td>29,623 mm²</td>
        <td>Superficie</td>
    </tr>
    <tr>
        <td>Svk</td>
        <td>5,167 μm</td>
        <td>Profondeur réduite de la vallée</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">
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						<div class="elementor-element elementor-element-d3c023d elementor-widget elementor-widget-heading" data-id="d3c023d" data-element_type="widget" data-widget_type="heading.default">
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					<h2 class="elementor-heading-title elementor-size-default">CONCLUSION</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">
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									<div class="group w-full text-token-text-primary border-b border-black/10 dark:border-gray-900/50 bg-gray-50 dark:bg-[#444654]"><div class="flex p-4 gap-4 text-base md:gap-6 md:max-w-2xl lg:max-w-[38rem] xl:max-w-3xl md:py-6 lg:px-0 m-auto"><div class="relative flex w-[calc(100%-50px)] flex-col gap-1 md:gap-3 lg:w-[calc(100%-115px)]"><div class="flex flex-grow flex-col gap-3"><div class="min-h-[20px] flex flex-col items-start gap-3 overflow-x-auto whitespace-pre-wrap break-words"><div class="markdown prose w-full break-words dark:prose-invert light"><p>Dans cette application d&#039;analyse de surface grenaillée, nous avons démontré comment le profileur 3D sans contact NANOVEA ST400 caractérise précisément à la fois la topographie et les détails nanométriques d&#039;une surface grenaillée. Il est évident que la Surface 1 et la Surface 2 ont un impact significatif sur tous les paramètres rapportés ici par rapport à la matière première. Un simple examen visuel des images révèle les différences entre les surfaces. Ceci est encore confirmé en observant la zone de couverture et les paramètres énumérés. Par rapport à la surface 2, la surface 1 présente une rugosité moyenne inférieure (Sa), des bosses moins profondes (Sv) et une surface réduite (Sdar), mais une zone de couverture légèrement supérieure.</p><p>À partir de ces mesures de surface 3D, les zones d&#039;intérêt peuvent être facilement identifiées et soumises à une gamme complète de mesures, y compris la rugosité, la finition, la texture, la forme, la topographie, la planéité, le gauchissement, la planéité, le volume, la hauteur de marche et autres. Une coupe 2D peut être rapidement choisie pour une analyse détaillée. Ces informations permettent une étude complète des surfaces grenaillées, en utilisant une gamme complète de ressources de mesure de surface. Des domaines d&#039;intérêt spécifiques pourraient être examinés plus en détail avec un module AFM intégré. Les profilomètres 3D NANOVEA offrent des vitesses allant jusqu&#039;à 200 mm/s. Ils peuvent être personnalisés en termes de taille, de vitesse, de capacités de numérisation et peuvent même être conformes aux normes de salle blanche de classe 1. Des options telles que le convoyeur d&#039;indexation et l&#039;intégration pour une utilisation en ligne ou en ligne sont également disponibles.</p></div></div></div></div></div></div>								</div>
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									<p><span class="fontstyle0">Nous remercions tout particulièrement M. Hayden, de l'IMF, pour nous avoir fourni l'échantillon présenté dans cette note. Industrial Metal Finishing Inc. |  indmetfin.com</span></p>								</div>
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					</div>
		</section>
				<section class="elementor-section elementor-top-section elementor-element elementor-element-599c5dc elementor-section-boxed elementor-section-height-default elementor-section-height-default" data-id="599c5dc" data-element_type="section">
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				</div><p>The post <a href="https://nanovea.com/fr/analyse-de-surface-grenaillee/">Shot Peened Surface Analysis</a> appeared first on <a href="https://nanovea.com/fr">NANOVEA: Advanced Profilometers, Tribometers, Nanoindenters, and Scratch Testers for Materials Testing</a>.</p>
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		<title>Morphologie de la surface de la peinture</title>
		<link>https://nanovea.com/fr/morphologie-surface-peinture/?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>Vendredi 4 août 2023 16:44:00 +0000</pubdate>
				<category><![CDATA[Application Notes]]></category>
		<category><![CDATA[Laboratory Testing]]></category>
		<category><![CDATA[Profilometry | Roughness and Finish]]></category>
		<category><![CDATA[Profilometry | Texture and Grain]]></category>
		<category><![CDATA[Profilometry Testing]]></category>
		<guid ispermalink="false">https://nanovea.com/?p=23049</guid>

					<description><![CDATA[<p>PAINT SURFACE MORPHOLOGY AUTOMATED REAL-TIME EVOLUTION MONITORINGUSING NANOVEA 3D PROFILOMETER Prepared by DUANJIE LI, PhD INTRODUCTION Protective and decorative properties of paint play a significant role in a variety of industries, including automotive, marine, military, and construction. To achieve desired properties, such as corrosion resistance, UV protection, and abrasion resistance, paint formulas and architectures are [&#8230;]</p>
<p>The post <a href="https://nanovea.com/fr/morphologie-surface-peinture/">Paint Surface Morphology</a> appeared first on <a href="https://nanovea.com/fr">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="23049" class="elementor elementor-23049" 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">MORPHOLOGIE DE LA SURFACE DE PEINTURE</h1>				</div>
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					<h2 class="elementor-heading-title elementor-size-default">SUIVI AUTOMATISÉ DE L&#039;ÉVOLUTION EN TEMPS RÉEL<br>UTILISATION DU PROFILOMÈTRE 3D NANOVEA</h2>				</div>
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															<img loading="lazy" decoding="async" width="768" height="225" src="https://nanovea.com/wp-content/uploads/2023/08/Drying-Paint-Analysis-Study.jpg" class="attachment-medium_large size-medium_large wp-image-23058" alt="Morphologie de la surface de la peinture" />															</div>
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					<p class="elementor-heading-title elementor-size-default">Préparé par</p>				</div>
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					<p class="elementor-heading-title elementor-size-default">DUANJIE LI, PhD</p>				</div>
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					<h2 class="elementor-heading-title elementor-size-default">INTRODUCTION</h2>				</div>
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									<p>Les propriétés protectrices et décoratives de la peinture jouent un rôle important dans une variété d&#039;industries, y compris l&#039;automobile, la marine, l&#039;armée et la construction. Pour obtenir les propriétés souhaitées, telles que la résistance à la corrosion, la protection contre les UV et la résistance à l&#039;abrasion, les formules et les architectures de peinture sont soigneusement analysées, modifiées et optimisées.</p>								</div>
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					<h3 class="elementor-heading-title elementor-size-default">IMPORTANCE DU PROFILOMÈTRE 3D SANS CONTACT POUR L&#039;ANALYSE DE LA MORPHOLOGIE DE LA SURFACE DE LA PEINTURE SÉCHANTE</h3>				</div>
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									<p>La peinture est généralement appliquée sous forme liquide et subit un processus de séchage, qui implique l&#039;évaporation des solvants et la transformation de la peinture liquide en un film solide. Au cours du processus de séchage, la surface de la peinture change progressivement de forme et de texture. Différentes finitions et textures de surface peuvent être développées en utilisant des additifs pour modifier la tension de surface et les propriétés d&#039;écoulement de la peinture. Cependant, dans le cas d&#039;une recette de peinture mal formulée ou d&#039;un traitement de surface inapproprié, des défaillances indésirables de la surface de peinture peuvent se produire.</p>
<p>Une surveillance précise in situ de la morphologie de la surface de la peinture pendant la période de séchage peut fournir un aperçu direct du mécanisme de séchage. De plus, l’évolution en temps réel des morphologies de surface constitue une information très utile dans diverses applications, comme l’impression 3D. La NANOVÉA <a href="https://nanovea.com/profilometers/">Profilomètres 3D sans contact</a> mesurer la morphologie de la surface de la peinture des matériaux sans toucher l&#039;échantillon, en évitant toute altération de forme qui pourrait être provoquée par des technologies de contact telles qu&#039;un stylet coulissant.</p>								</div>
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					<h2 class="elementor-heading-title elementor-size-default">OBJECTIF DE MESURE</h2>				</div>
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									<p>Dans cette application, le profilomètre sans contact NANOVEA ST500, équipé d&#039;un capteur optique de ligne à grande vitesse, est utilisé pour surveiller la morphologie de la surface de la peinture pendant sa période de séchage d&#039;une heure. Nous présentons la capacité du profilomètre sans contact NANOVEA à fournir une mesure de profil 3D automatisée en temps réel des matériaux avec un changement de forme continu.</p>								</div>
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				<section class="elementor-section elementor-inner-section elementor-element elementor-element-b739be4 elementor-reverse-mobile elementor-section-full_width elementor-reverse-tablet elementor-section-height-default elementor-section-height-default" data-id="b739be4" data-element_type="section">
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									<p style="text-align: center; font-size: 20pt; color: black;">
  NANOVEA <span style="font-size: 20pt; color: #1b96cf;">ST500 Grande surface</span><br>
  Profilomètre optique 3D
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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="Profilomètre 3D NANOVEA ST500" />								</a>
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					<h2 class="elementor-heading-title elementor-size-default">RÉSULTATS ET DISCUSSION</h2>				</div>
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									<p>La peinture a été appliquée sur la surface d&#039;une tôle, suivie immédiatement de mesures automatisées de l&#039;évolution morphologique de la peinture en séchage in situ à l&#039;aide du profilomètre sans contact NANOVEA ST500 équipé d&#039;un capteur de ligne à grande vitesse. Une macro avait été programmée pour mesurer et enregistrer automatiquement la morphologie de la surface 3D à des intervalles de temps spécifiques : 0, 5, 10, 20, 30, 40, 50 et 60 min. Cette procédure d&#039;analyse automatisée permet aux utilisateurs d&#039;effectuer automatiquement des tâches d&#039;analyse en exécutant des procédures définies dans l&#039;ordre, ce qui réduit considérablement les efforts, le temps et les éventuelles erreurs de l&#039;utilisateur par rapport aux tests manuels ou aux analyses répétées. Cette automatisation s&#039;avère extrêmement utile pour les mesures à long terme impliquant plusieurs balayages à différents intervalles de temps.</p><p>Le capteur de ligne optique génère une ligne lumineuse composée de 192 points, comme illustré à la FIGURE 1. Ces 192 points lumineux balayent simultanément la surface de l&#039;échantillon, ce qui augmente considérablement la vitesse de balayage. Cela garantit que chaque scan 3D est terminé rapidement pour éviter des changements de surface substantiels lors de chaque scan individuel.</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="Analyse des revêtements de peinture à l&#039;aide d&#039;un profilomètre 3D" />															</div>
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									<p style="text-align: center;"><span class="fontstyle0" style="color: #1b96cf;">FIGURE 1:</span><span class="fontstyle0" style="color: #000000;"> Capteur de ligne optique balayant la surface de la peinture en cours de séchage.</span></p>								</div>
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									<p>La vue en fausses couleurs, la vue 3D et le profil 2D de la topographie de la peinture de séchage à des moments représentatifs sont illustrés sur la FIGURE 2, la FIGURE 3 et la FIGURE 4, respectivement. La fausse couleur dans les images facilite la détection de caractéristiques qui ne sont pas facilement discernables. Différentes couleurs représentent les variations de hauteur sur différentes zones de la surface de l&#039;échantillon. La vue 3D offre aux utilisateurs un outil idéal pour observer la surface de la peinture sous différents angles. Au cours des 30 premières minutes du test, les fausses couleurs sur la surface de la peinture passent progressivement de tons plus chauds à des tons plus froids, indiquant une diminution progressive de la hauteur au fil du temps au cours de cette période. Ce processus ralentit, comme le montre le léger changement de couleur lors de la comparaison de la peinture à 30 et 60 minutes.</p><p>La hauteur moyenne de l&#039;échantillon et les valeurs de rugosité Sa en fonction du temps de séchage de la peinture sont tracées à la FIGURE 5. L&#039;analyse complète de la rugosité de la peinture après 0, 30 et 60 min de temps de séchage est répertoriée dans le TABLEAU 1. On peut observer que la hauteur moyenne de la surface de la peinture diminue rapidement de 471 à 329 µm au cours des 30 premières minutes de temps de séchage. La texture de surface se développe en même temps que le solvant se vaporise, conduisant à une augmentation de la valeur de rugosité Sa de 7,19 à 22,6 µm. Le processus de séchage de la peinture ralentit par la suite, entraînant une diminution progressive de la hauteur de l&#039;échantillon et de la valeur Sa à 317 µm et 19,6 µm, respectivement, à 60 min.</p><p>Cette étude met en évidence les capacités du profilomètre 3D sans contact NANOVEA à surveiller les changements de surface 3D de la peinture en cours de séchage en temps réel, fournissant des informations précieuses sur le processus de séchage de la peinture. En mesurant la morphologie de la surface sans toucher l&#039;échantillon, le profilomètre évite d&#039;introduire des altérations de forme dans la peinture non séchée, ce qui peut se produire avec des technologies de contact comme le stylet coulissant. Cette approche sans contact garantit une analyse précise et fiable de la morphologie de la surface de séchage de la peinture.</p>								</div>
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															<img loading="lazy" decoding="async" width="768" height="325" src="https://nanovea.com/wp-content/uploads/2023/08/Paint-Coating-Morphology.jpg" class="attachment-medium_large size-medium_large wp-image-23064" alt="Morphologie de la surface de la peinture" />															</div>
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															<img loading="lazy" decoding="async" width="768" height="325" src="https://nanovea.com/wp-content/uploads/2023/08/Drying-Paint-Surface-Morphology.jpg" class="attachment-medium_large size-medium_large wp-image-23060" alt="Morphologie des revêtements de peinture" />															</div>
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									<p style="text-align: center;"><span class="fontstyle0" style="color: #1b96cf;">FIGURE 2 :</span><span class="fontstyle0" style="color: #000000;"> Évolution de la morphologie de la surface de séchage de la peinture à différents moments.</span></p>								</div>
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															<img loading="lazy" decoding="async" width="617" height="461" src="https://nanovea.com/wp-content/uploads/2023/08/Drying-Paint-Coating-Measurement.jpg" class="attachment-medium_large size-medium_large wp-image-23059" alt="Caractérisation de la surface des peintures" />															</div>
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															<img decoding="async" src="https://nanovea.com/wp-content/uploads/2023/08/Drying-Paint-Surface-QC.jpg" title="" alt="Profil de la surface de la peinture" 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="Analyse de la surface des peintures" loading="lazy" />															</div>
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									<p style="text-align: center;"><span class="fontstyle0" style="color: #1b96cf;">FIGURE 3 :</span><span class="fontstyle0" style="color: #000000;"> Vue 3D de l&#039;évolution de la surface de la peinture à différents temps de séchage.</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="Profilométrie de la surface de la peinture" />															</div>
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									<p style="text-align: center;"><span class="fontstyle0" style="color: #1b96cf;">FIGURE 4 :</span><span class="fontstyle0" style="color: #000000;"> Profil 2D sur l&#039;échantillon de peinture après différents temps de séchage.</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="Étude de la surface de la peinture" />															</div>
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									<p style="text-align: center;"><span class="fontstyle0" style="color: #1b96cf;">FIGURE 5 :</span><span class="fontstyle0" style="color: #000000;"> Évolution de la hauteur moyenne de l&#039;échantillon et de la valeur de rugosité Sa en fonction du temps de séchage de la peinture.</span></p>								</div>
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					<h3 class="elementor-heading-title elementor-size-default">ISO 25178 - Paramètres de texture de surface</h3>				</div>
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									<table class="alignright" style="width: 100%;">
<tbody>
<tr>
<td><em><b>Temps de séchage (min)</b></em></td>
<td><em><b>0</b></em></td>
<td><em><b>5</b></em></td>
<td><em><b>10</b></em></td>
<td><em><b>20</b></em></td>
<td><em><b>30</b></em></td>
<td><em><b>40</b></em></td>
<td><em><b>50</b></em></td>
<td><em><b>60</b></em></td>
</tr>
<tr>
<td><em><b>Carré (µm)</b></em></td>
<td>7.91</td>
<td>9.4</td>
<td>10.8</td>
<td>20.9</td>
<td>22.6</td>
<td>20.6</td>
<td>19.9</td>
<td>19.6</td>
</tr>
<tr>
<td><em><b>UGS</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;">Carré –</span><span class="fontstyle0" style="color: #000000;"> Hauteur racine carrée moyenne </span><span class="fontstyle0" style="color: #1b96cf;"> | UGS –</span><span class="fontstyle0" style="color: #000000;"> Kurtosis </span><span class="fontstyle0" style="color: #1b96cf;"> | Sp-</span><span class="fontstyle0" style="color: #000000;"> Hauteur maximale du pic</span><span class="fontstyle0" style="color: #1b96cf;"> | Sv-</span><span class="fontstyle0" style="color: #000000;"> Hauteur maximale de la fosse</span><span class="fontstyle0" style="color: #1b96cf;"> | Sz-</span><span class="fontstyle0" style="color: #000000;"> Hauteur maximale</span><span class="fontstyle0" style="color: #1b96cf;"> | Sv-</span><span class="fontstyle0" style="color: #000000;"> Hauteur moyenne arithmétique</span></p>								</div>
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									<p style="text-align: center;"><span class="fontstyle0" style="color: #1b96cf;">TABLEAU 1 :</span><span class="fontstyle0" style="color: #000000;"> <span class="fontstyle0">Rugosité de la peinture à différents temps de séchage.</span> <br /></span></p>								</div>
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					<h2 class="elementor-heading-title elementor-size-default">CONCLUSION</h2>				</div>
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<div class="markdown prose w-full break-words dark:prose-invert light">
<p>Dans cette application, nous avons présenté les capacités du profilomètre 3D sans contact NANOVEA ST500 pour surveiller l&#039;évolution de la morphologie de la surface de la peinture pendant le processus de séchage. Le capteur de ligne optique à grande vitesse, générant une ligne avec 192 points lumineux qui balayent simultanément la surface de l&#039;échantillon, a rendu l&#039;étude rapide tout en garantissant une précision inégalée.</p>
<p>La fonction macro du logiciel d&#039;acquisition permet de programmer des mesures automatisées de la morphologie de surface 3D in situ, ce qui la rend particulièrement utile pour les mesures à long terme impliquant plusieurs balayages à des intervalles de temps cibles spécifiques. Cela réduit considérablement le temps, les efforts et le potentiel d&#039;erreurs de l&#039;utilisateur. Les changements progressifs de la morphologie de la surface sont surveillés en continu et enregistrés en temps réel au fur et à mesure que la peinture sèche, fournissant des informations précieuses sur le mécanisme de séchage de la peinture.</p>
<p>Les données présentées ici ne représentent qu&#039;une fraction des calculs disponibles dans le logiciel d&#039;analyse. Les profilomètres NANOVEA sont capables de mesurer pratiquement n&#039;importe quelle surface, qu&#039;elle soit transparente, sombre, réfléchissante ou opaque.</p></div></div></div>
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				</div><p>The post <a href="https://nanovea.com/fr/morphologie-surface-peinture/">Paint Surface Morphology</a> appeared first on <a href="https://nanovea.com/fr">NANOVEA: Advanced Profilometers, Tribometers, Nanoindenters, and Scratch Testers for Materials Testing</a>.</p>
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		<title>Analyse de la fractographie à l'aide de la profilométrie 3D</title>
		<link>https://nanovea.com/fr/analyse-de-la-fractographie-a-laide-de-la-profilometrie-3d/?utm_source=rss&#038;utm_medium=rss&#038;utm_campaign=fractography-analysis-using-3d-profilometry</link>
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		<dc:creator><![CDATA[nanovea]]></dc:creator>
		<pubdate>Tue, 05 Apr 2022 17:27:55 +0000</pubdate>
				<category><![CDATA[Application Notes]]></category>
		<category><![CDATA[Laboratory Testing]]></category>
		<category><![CDATA[Profilometry | Geometry and Shape]]></category>
		<category><![CDATA[Profilometry | Roughness and Finish]]></category>
		<category><![CDATA[Profilometry | Texture and Grain]]></category>
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		<guid ispermalink="false">https://nanovea.com/?p=18527</guid>

					<description><![CDATA[<p>FRACTOGRAPHY ANALYSIS USING 3D PROFILOMETRY Prepared by CRAIG LEISING INTRODUCTION Fractography is the study of features on fractured surfaces and has historically been investigated via Microscope or SEM. Depending on the size of the feature, a microscope (macro features) or SEM (nano and micro features) are selected for the surface analysis. Both ultimately allowing for [&#8230;]</p>
<p>The post <a href="https://nanovea.com/fr/analyse-de-la-fractographie-a-laide-de-la-profilometrie-3d/">Fractography Analysis Using 3D Profilometry</a> appeared first on <a href="https://nanovea.com/fr">NANOVEA: Advanced Profilometers, Tribometers, Nanoindenters, and Scratch Testers for Materials Testing</a>.</p>
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					<h2 class="elementor-heading-title elementor-size-default">ANALYSE FRACTOGRAPHIQUE</h2>				</div>
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					<h2 class="elementor-heading-title elementor-size-default">EN UTILISANT LA PROFILOMÉTRIE 3D</h2>				</div>
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															<img loading="lazy" decoding="async" width="768" height="217" src="https://nanovea.com/wp-content/uploads/2022/04/Metal-Fracture-Inspection.jpg" class="attachment-medium_large size-medium_large wp-image-18498" alt="" />															</div>
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					<h2 class="elementor-heading-title elementor-size-default">CRAIG LEISING</h2>				</div>
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					<h2 class="elementor-heading-title elementor-size-default">INTRODUCTION</h2>				</div>
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									<p>La fractographie est l&#039;étude des caractéristiques des surfaces fracturées et a toujours été étudiée au microscope ou au MEB. En fonction de la taille de la caractéristique, un microscope (caractéristiques macro) ou SEM (caractéristiques nano et micro) sont sélectionnés pour l&#039;analyse de la surface. Les deux permettant finalement d’identifier le type de mécanisme de fracture. Bien qu&#039;efficace, le microscope présente des limites évidentes et le SEM, dans la plupart des cas, autres que l&#039;analyse au niveau atomique, n&#039;est pas pratique pour la mesure de la surface de fracture et manque de capacité d&#039;utilisation plus large. Grâce aux progrès de la technologie de mesure optique, le NANOVEA <a href="https://nanovea.com/profilometers/">Profilomètre 3D sans contact</a> est désormais considéré comme l&#039;instrument de choix, avec sa capacité à fournir des mesures de surface 2D et 3D à l&#039;échelle nanométrique.</p>								</div>
				</div>
				<div class="elementor-element elementor-element-c9a07fb elementor-widget elementor-widget-heading" data-id="c9a07fb" data-element_type="widget" data-widget_type="heading.default">
				<div class="elementor-widget-container">
					<h2 class="elementor-heading-title elementor-size-default">IMPORTANCE DU PROFILOMÈTRE 3D SANS CONTACT POUR L'INSPECTION DES FRACTURES</h2>				</div>
				</div>
				<div class="elementor-element elementor-element-e74abb9 elementor-widget elementor-widget-text-editor" data-id="e74abb9" data-element_type="widget" data-widget_type="text-editor.default">
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									<p>Contrairement au MEB, un profilomètre 3D sans contact peut mesurer presque toutes les surfaces, toutes les tailles d'échantillons, avec une préparation minimale de l'échantillon, tout en offrant des dimensions verticales/horizontales supérieures à celles d'un MEB. Avec un profileur, les caractéristiques allant du nanomètre au macroscope sont capturées en une seule mesure, sans influence de la réflectivité de l'échantillon. Mesurez facilement tous les matériaux : transparents, opaques, spéculaires, diffusifs, polis, rugueux, etc. Le profilomètre 3D sans contact offre des possibilités étendues et conviviales pour maximiser les études de fracture de surface à une fraction du coût d'un MEB.</p>								</div>
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					</div>
		</div>
					</div>
		</section>
				<section class="elementor-section elementor-top-section elementor-element elementor-element-bbe0c25 elementor-reverse-mobile elementor-section-boxed elementor-section-height-default elementor-section-height-default" data-id="bbe0c25" data-element_type="section">
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			<div class="elementor-widget-wrap elementor-element-populated">
						<section class="elementor-section elementor-inner-section elementor-element elementor-element-5986dd7 elementor-reverse-mobile elementor-section-full_width elementor-reverse-tablet elementor-section-height-default elementor-section-height-default" data-id="5986dd7" data-element_type="section">
						<div class="elementor-container elementor-column-gap-no">
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				<div class="elementor-widget-container">
									<p style="text-align: left;">OBJECTIF DE MESURE</p>								</div>
				</div>
				<div class="elementor-element elementor-element-5556e11 elementor-widget elementor-widget-text-editor" data-id="5556e11" data-element_type="widget" data-widget_type="text-editor.default">
				<div class="elementor-widget-container">
									<p>Dans cette application, le NANOVEA ST400 est utilisé pour mesurer la surface fracturée d'un échantillon d'acier. Dans cette étude, nous présentons une zone 3D, une extraction de profil 2D et une carte directionnelle de la surface.</p>								</div>
				</div>
				<div class="elementor-element elementor-element-7429702 elementor-widget elementor-widget-text-editor" data-id="7429702" data-element_type="widget" data-widget_type="text-editor.default">
				<div class="elementor-widget-container">
									<p style="text-align: left;">NANOVEA</p>								</div>
				</div>
				<div class="elementor-element elementor-element-fda08d7 elementor-widget elementor-widget-text-editor" data-id="fda08d7" data-element_type="widget" data-widget_type="text-editor.default">
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									<p style="text-align: left;">ST400</p>								</div>
				</div>
				<div class="elementor-element elementor-element-48491b2 elementor-align-left learn-more-about-instrument elementor-widget elementor-widget-button" data-id="48491b2" data-element_type="widget" data-widget_type="button.default">
				<div class="elementor-widget-container">
									<div class="elementor-button-wrapper">
					<a class="elementor-button elementor-button-link elementor-size-xs" href="https://nanovea.com/instruments/st400" id="learn-more-about-instrument">
						<span class="elementor-button-content-wrapper">
									<span class="elementor-button-text">EN SAVOIR PLUS</span>
					</span>
					</a>
				</div>
								</div>
				</div>
					</div>
		</div>
				<div class="elementor-column elementor-col-50 elementor-inner-column elementor-element elementor-element-a6b67e5" data-id="a6b67e5" data-element_type="column">
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						<div class="elementor-element elementor-element-911a059 elementor-widget elementor-widget-image" data-id="911a059" data-element_type="widget" data-widget_type="image.default">
				<div class="elementor-widget-container">
																<a href="https://nanovea.com/instruments/st400">
							<img loading="lazy" decoding="async" width="768" height="756" src="https://nanovea.com/wp-content/uploads/2020/12/Nanovea-Customizable-Profilometer.png" class="elementor-animation-grow attachment-medium_large size-medium_large wp-image-9779" alt="Profilomètre optique 3D Nanovea ST400 pour l&#039;analyse de la profondeur des rainures et de la rugosité de surface des pneus" />								</a>
															</div>
				</div>
					</div>
		</div>
					</div>
		</section>
					</div>
		</div>
					</div>
		</section>
				<section class="elementor-section elementor-top-section elementor-element elementor-element-1979bac elementor-section-boxed elementor-section-height-default elementor-section-height-default" data-id="1979bac" data-element_type="section">
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						<section class="elementor-section elementor-inner-section elementor-element elementor-element-e3eafc1 elementor-section-boxed elementor-section-height-default elementor-section-height-default" data-id="e3eafc1" data-element_type="section">
						<div class="elementor-container elementor-column-gap-default">
					<div class="elementor-column elementor-col-50 elementor-inner-column elementor-element elementor-element-b154808" data-id="b154808" data-element_type="column" data-settings="{&quot;background_background&quot;:&quot;classic&quot;}">
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						<div class="elementor-element elementor-element-9c67049 elementor-widget elementor-widget-heading" data-id="9c67049" data-element_type="widget" data-widget_type="heading.default">
				<div class="elementor-widget-container">
					<h2 class="elementor-heading-title elementor-size-default">RÉSULTATS</h2>				</div>
				</div>
					</div>
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				<div class="elementor-column elementor-col-50 elementor-inner-column elementor-element elementor-element-91f0b18" data-id="91f0b18" data-element_type="column">
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					<h2 class="elementor-heading-title elementor-size-default">SURFACE SUPÉRIEURE</h2>				</div>
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		</div>
					</div>
		</section>
				<section class="elementor-section elementor-inner-section elementor-element elementor-element-0621d2b elementor-section-boxed elementor-section-height-default elementor-section-height-default" data-id="0621d2b" data-element_type="section">
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				<div class="elementor-widget-container">
															<img loading="lazy" decoding="async" width="941" height="509" src="https://nanovea.com/wp-content/uploads/2022/04/Metal-Fracture-Analysis.jpg" class="attachment-large size-large wp-image-18497" alt="" />															</div>
				</div>
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					<h2 class="elementor-heading-title elementor-size-default">Direction de la texture de la surface 3D</h2>				</div>
				</div>
				<div class="elementor-element elementor-element-5948908 elementor-widget elementor-widget-image" data-id="5948908" data-element_type="widget" data-widget_type="image.default">
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															<img loading="lazy" decoding="async" width="429" height="210" src="https://nanovea.com/wp-content/uploads/2022/04/3D-Surface-Direction-Mapping.jpg" class="attachment-large size-large wp-image-18509" alt="" />															</div>
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				<div class="elementor-element elementor-element-bdf5736 elementor-widget elementor-widget-text-editor" data-id="bdf5736" data-element_type="widget" data-widget_type="text-editor.default">
				<div class="elementor-widget-container">
									<table style="width: 100.868%;"><tbody><tr><td style="width: 65.1042%;">Isotropie</td><td style="width: 121.875%;">51.26%</td></tr><tr><td style="width: 65.1042%;">Première direction</td><td style="width: 121.875%;">123.2º</td></tr><tr><td style="width: 65.1042%;">Deuxième direction</td><td style="width: 121.875%;">116.3º</td></tr><tr><td style="width: 65.1042%;">Troisième direction</td><td style="width: 121.875%;">0.1725º</td></tr></tbody></table>								</div>
				</div>
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					</div>
		</section>
				<section class="elementor-section elementor-inner-section elementor-element elementor-element-f9fa7d0 elementor-section-boxed elementor-section-height-default elementor-section-height-default" data-id="f9fa7d0" data-element_type="section">
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				<div class="elementor-widget-container">
															<img loading="lazy" decoding="async" width="854" height="273" src="https://nanovea.com/wp-content/uploads/2022/04/Fractography-Profilometer-Study.jpg" class="attachment-large size-large wp-image-18493" alt="" />															</div>
				</div>
				<div class="elementor-element elementor-element-ecc9c0a elementor-widget elementor-widget-text-editor" data-id="ecc9c0a" data-element_type="widget" data-widget_type="text-editor.default">
				<div class="elementor-widget-container">
									<p><span class="fontstyle0">La surface, le volume, la rugosité et bien d'autres éléments peuvent être calculés automatiquement à partir de cette extraction.</span> </p>								</div>
				</div>
					</div>
		</div>
				<div class="elementor-column elementor-col-50 elementor-inner-column elementor-element elementor-element-6e6e18f" data-id="6e6e18f" data-element_type="column">
			<div class="elementor-widget-wrap elementor-element-populated">
						<div class="elementor-element elementor-element-56bc628 elementor-widget elementor-widget-heading" data-id="56bc628" data-element_type="widget" data-widget_type="heading.default">
				<div class="elementor-widget-container">
					<h2 class="elementor-heading-title elementor-size-default">Extraction du profil 2D</h2>				</div>
				</div>
				<div class="elementor-element elementor-element-9bb102b elementor-widget elementor-widget-image" data-id="9bb102b" data-element_type="widget" data-widget_type="image.default">
				<div class="elementor-widget-container">
															<img loading="lazy" decoding="async" width="430" height="255" src="https://nanovea.com/wp-content/uploads/2022/04/Fractography-Analysis.jpg" class="attachment-large size-large wp-image-18491" alt="" />															</div>
				</div>
					</div>
		</div>
					</div>
		</section>
					</div>
		</div>
					</div>
		</section>
				<section class="elementor-section elementor-top-section elementor-element elementor-element-0d1d40f elementor-section-boxed elementor-section-height-default elementor-section-height-default" data-id="0d1d40f" data-element_type="section">
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						<section class="elementor-section elementor-inner-section elementor-element elementor-element-d789db6 elementor-section-boxed elementor-section-height-default elementor-section-height-default" data-id="d789db6" data-element_type="section">
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					<div class="elementor-column elementor-col-50 elementor-inner-column elementor-element elementor-element-d5d6ed5" data-id="d5d6ed5" data-element_type="column" data-settings="{&quot;background_background&quot;:&quot;classic&quot;}">
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						<div class="elementor-element elementor-element-c6154dc elementor-widget elementor-widget-heading" data-id="c6154dc" data-element_type="widget" data-widget_type="heading.default">
				<div class="elementor-widget-container">
					<h2 class="elementor-heading-title elementor-size-default">RÉSULTATS</h2>				</div>
				</div>
					</div>
		</div>
				<div class="elementor-column elementor-col-50 elementor-inner-column elementor-element elementor-element-90aed2e" data-id="90aed2e" data-element_type="column">
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				<div class="elementor-widget-container">
					<h2 class="elementor-heading-title elementor-size-default">SURFACE LATÉRALE</h2>				</div>
				</div>
					</div>
		</div>
					</div>
		</section>
				<section class="elementor-section elementor-inner-section elementor-element elementor-element-cb0add2 elementor-section-boxed elementor-section-height-default elementor-section-height-default" data-id="cb0add2" data-element_type="section">
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						<div class="elementor-element elementor-element-e1e9f50 elementor-widget elementor-widget-image" data-id="e1e9f50" data-element_type="widget" data-widget_type="image.default">
				<div class="elementor-widget-container">
															<img loading="lazy" decoding="async" width="944" height="506" src="https://nanovea.com/wp-content/uploads/2022/04/Fractography-Profilometer-Analysis.jpg" class="attachment-large size-large wp-image-18492" alt="" />															</div>
				</div>
					</div>
		</div>
				<div class="elementor-column elementor-col-50 elementor-inner-column elementor-element elementor-element-31333af" data-id="31333af" data-element_type="column">
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						<div class="elementor-element elementor-element-42ad972 elementor-widget elementor-widget-heading" data-id="42ad972" data-element_type="widget" data-widget_type="heading.default">
				<div class="elementor-widget-container">
					<h2 class="elementor-heading-title elementor-size-default">Direction de la texture de la surface 3D</h2>				</div>
				</div>
				<div class="elementor-element elementor-element-3cd8889 elementor-widget elementor-widget-image" data-id="3cd8889" data-element_type="widget" data-widget_type="image.default">
				<div class="elementor-widget-container">
															<img loading="lazy" decoding="async" width="430" height="211" src="https://nanovea.com/wp-content/uploads/2022/04/Fracture-3D-Surface-Direction-Mapping.jpg" class="attachment-large size-large wp-image-18494" alt="" />															</div>
				</div>
				<div class="elementor-element elementor-element-5a5cbe4 elementor-widget elementor-widget-text-editor" data-id="5a5cbe4" data-element_type="widget" data-widget_type="text-editor.default">
				<div class="elementor-widget-container">
									<table style="width: 100.868%;"><tbody><tr><td style="width: 65.1042%;">Isotropie</td><td style="width: 121.875%;"><span class="fontstyle0">15.55</span>%</td></tr><tr><td style="width: 65.1042%;">Première direction</td><td style="width: 121.875%;"><span class="fontstyle0">0.1617</span>º</td></tr><tr><td style="width: 65.1042%;">Deuxième direction</td><td style="width: 121.875%;"><span class="fontstyle0">110.5</span>º</td></tr><tr><td style="width: 65.1042%;">Troisième direction</td><td style="width: 121.875%;"><span class="fontstyle0">171.5</span>º</td></tr></tbody></table>								</div>
				</div>
					</div>
		</div>
					</div>
		</section>
				<section class="elementor-section elementor-inner-section elementor-element elementor-element-23d7308 elementor-section-boxed elementor-section-height-default elementor-section-height-default" data-id="23d7308" data-element_type="section">
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				<div class="elementor-widget-container">
															<img loading="lazy" decoding="async" width="850" height="272" src="https://nanovea.com/wp-content/uploads/2022/04/Metal-Fracture-Measurement.jpg" class="attachment-large size-large wp-image-18499" alt="" />															</div>
				</div>
				<div class="elementor-element elementor-element-241bedb elementor-widget elementor-widget-text-editor" data-id="241bedb" data-element_type="widget" data-widget_type="text-editor.default">
				<div class="elementor-widget-container">
									<p><span class="fontstyle0">La surface, le volume, la rugosité et bien d'autres éléments peuvent être calculés automatiquement à partir de cette extraction.</span> </p>								</div>
				</div>
					</div>
		</div>
				<div class="elementor-column elementor-col-50 elementor-inner-column elementor-element elementor-element-356dcd0" data-id="356dcd0" data-element_type="column">
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				<div class="elementor-widget-container">
					<h2 class="elementor-heading-title elementor-size-default">Extraction du profil 2D</h2>				</div>
				</div>
				<div class="elementor-element elementor-element-5cc99d7 elementor-widget elementor-widget-image" data-id="5cc99d7" data-element_type="widget" data-widget_type="image.default">
				<div class="elementor-widget-container">
															<img loading="lazy" decoding="async" width="455" height="196" src="https://nanovea.com/wp-content/uploads/2022/04/Fracture-Profilometry-measurement.jpg" class="attachment-large size-large wp-image-18495" alt="" />															</div>
				</div>
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		</div>
					</div>
		</section>
					</div>
		</div>
					</div>
		</section>
				<section class="elementor-section elementor-top-section elementor-element elementor-element-33594e4 elementor-section-boxed elementor-section-height-default elementor-section-height-default" data-id="33594e4" data-element_type="section">
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					<h2 class="elementor-heading-title elementor-size-default">CONCLUSION</h2>				</div>
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									<p>Dans cette application, nous avons montré comment le profilomètre 3D sans contact NANOVEA ST400 peut caractériser avec précision la topographie complète (nano, micro et macro caractéristiques) d'une surface fracturée. À partir de la zone 3D, la surface peut être clairement identifiée et des sous-zones ou des profils/coupes transversales peuvent être rapidement extraits et analysés avec une liste infinie de calculs de surface. Les caractéristiques de surface sub-nanométriques peuvent être analysées plus en détail grâce à un module AFM intégré.</p><p>En outre, NANOVEA a ajouté une version portable à sa gamme de profilomètres, ce qui est particulièrement important pour les études sur le terrain lorsque la surface d'une fracture est inamovible. Avec cette large liste de capacités de mesure de surface, l'analyse de la surface des fractures n'a jamais été aussi facile et pratique avec un seul instrument.</p>								</div>
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				</div><p>The post <a href="https://nanovea.com/fr/analyse-de-la-fractographie-a-laide-de-la-profilometrie-3d/">Fractography Analysis Using 3D Profilometry</a> appeared first on <a href="https://nanovea.com/fr">NANOVEA: Advanced Profilometers, Tribometers, Nanoindenters, and Scratch Testers for Materials Testing</a>.</p>
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		<title>Topographie de la surface de la fibre de verre à l'aide de la profilométrie 3D</title>
		<link>https://nanovea.com/fr/topographie-de-la-surface-de-la-fibre-de-verre-a-laide-de-la-profilometrie-3d/?utm_source=rss&#038;utm_medium=rss&#038;utm_campaign=fiberglass-surface-topography-using-3d-profilometry</link>
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		<dc:creator><![CDATA[nanovea]]></dc:creator>
		<pubdate>Tue, 05 Apr 2022 15:00:22 +0000</pubdate>
				<category><![CDATA[Application Notes]]></category>
		<category><![CDATA[Laboratory Testing]]></category>
		<category><![CDATA[Profilometry | Flatness and Warpage]]></category>
		<category><![CDATA[Profilometry | Step Height and Thickness]]></category>
		<category><![CDATA[Profilometry | Texture and Grain]]></category>
		<category><![CDATA[Profilometry Testing]]></category>
		<guid ispermalink="false">https://nanovea.com/?p=18507</guid>

					<description><![CDATA[<p>FIBERGLASS SURFACE TOPOGRAPHY USING 3D PROFILOMETRY Prepared by CRAIG LEISING INTRODUCTION Fiberglass is a material made from extremely fine fibers of glass. It is used as a reinforcing agent for many polymer products; the resulting composite material, properly known as fiber-reinforced polymer (FRP) or glass-reinforced plastic (GRP), is called &#8220;fiberglass&#8221; in popular usage. IMPORTANCE OF [&#8230;]</p>
<p>The post <a href="https://nanovea.com/fr/topographie-de-la-surface-de-la-fibre-de-verre-a-laide-de-la-profilometrie-3d/">Fiberglass Surface Topography Using 3D Profilometry</a> appeared first on <a href="https://nanovea.com/fr">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="18507" class="elementor elementor-18507" data-elementor-post-type="post">
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					<h2 class="elementor-heading-title elementor-size-default">TOPOGRAPHIE DE LA SURFACE DE LA FIBRE DE VERRE</h2>				</div>
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					<h2 class="elementor-heading-title elementor-size-default">EN UTILISANT LA PROFILOMÉTRIE 3D</h2>				</div>
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															<img loading="lazy" decoding="async" width="768" height="217" src="https://nanovea.com/wp-content/uploads/2022/04/Fiberglass-Quality-Control-Inspection.jpg" class="attachment-medium_large size-medium_large wp-image-18503" alt="" />															</div>
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					<h2 class="elementor-heading-title elementor-size-default">Préparé par</h2>				</div>
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					<h2 class="elementor-heading-title elementor-size-default">CRAIG LEISING</h2>				</div>
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					<h2 class="elementor-heading-title elementor-size-default">INTRODUCTION</h2>				</div>
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									<span class="fontstyle0">La fibre de verre est un matériau fabriqué à partir de fibres de verre extrêmement fines. Elle est utilisée comme agent de renforcement pour de nombreux produits polymères ; le matériau composite qui en résulte, connu sous le nom de polymère renforcé par des fibres (FRP) ou de plastique renforcé par du verre (GRP), est appelé "fibre de verre" dans l'usage courant.</span>								</div>
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					<h2 class="elementor-heading-title elementor-size-default">IMPORTANCE DE L'INSPECTION MÉTROLOGIQUE DES SURFACES POUR LE CONTRÔLE DE LA QUALITÉ</h2>				</div>
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									Bien qu'il existe de nombreuses utilisations du renforcement en fibre de verre, dans la plupart des applications, il est crucial qu'elles soient aussi solides que possible. Les composites en fibre de verre présentent l'un des rapports résistance/poids les plus élevés du marché et, dans certains cas, ils sont plus résistants que l'acier. Outre la résistance élevée, il est également important d'avoir la plus petite surface exposée possible. Les grandes surfaces en fibre de verre peuvent rendre la structure plus vulnérable aux attaques chimiques et éventuellement à l'expansion du matériau. Par conséquent, l'inspection de la surface est essentielle au contrôle de la qualité de la production.								</div>
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									<p style="text-align: left;">OBJECTIF DE MESURE</p>								</div>
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									<p>Dans cette application, le NANOVEA ST400 est utilisé pour mesurer la rugosité et la planéité de la surface d'un composite en fibre de verre. En quantifiant ces caractéristiques de surface, il est possible de créer ou d'optimiser un matériau composite en fibre de verre plus solide et plus durable.</p>								</div>
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									<p style="text-align: left;">NANOVEA</p>								</div>
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									<p style="text-align: left;">ST400</p>								</div>
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									<span class="elementor-button-text">EN SAVOIR PLUS</span>
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																<a href="https://nanovea.com/instruments/st400">
							<img loading="lazy" decoding="async" width="768" height="756" src="https://nanovea.com/wp-content/uploads/2020/12/Nanovea-Customizable-Profilometer.png" class="elementor-animation-grow attachment-medium_large size-medium_large wp-image-9779" alt="Profilomètre optique 3D Nanovea ST400 pour l&#039;analyse de la profondeur des rainures et de la rugosité de surface des pneus" />								</a>
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					<h2 class="elementor-heading-title elementor-size-default">PARAMÈTRES DE MESURE</h2>				</div>
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									<table style="border-collapse: collapse; width: 100%;"><tbody><tr><td style="width: 63.1148%;"><b><span class="fontstyle0">PROBE</span> </b></td><td style="width: 36.8852%; text-align: right;"><span class="fontstyle0">1 mm</span></td></tr><tr><td style="width: 63.1148%;"><span class="fontstyle0"><b>TAUX D'ACQUISITION</b></span></td><td style="width: 36.8852%; text-align: right;"><span class="fontstyle0">300 Hz</span></td></tr><tr><td style="width: 63.1148%;"><span class="fontstyle0"><b>MOYENNE</b></span></td><td style="width: 36.8852%; text-align: right;">1</td></tr><tr><td style="width: 63.1148%;"><span class="fontstyle0"><b>SURFACE MESURÉE</b></span></td><td style="width: 36.8852%; text-align: right;"><span class="fontstyle0">5 mm x 2 mm</span></td></tr><tr><td style="width: 63.1148%;"><span class="fontstyle0"><b>TAILLE DE L'ÉTAPE</b></span></td><td style="width: 36.8852%; text-align: right;"><span class="fontstyle0">5 µm x 5 µm</span></td></tr><tr><td style="width: 63.1148%;"><span class="fontstyle0"><b>MODE DE BALAYAGE</b></span></td><td style="width: 36.8852%; text-align: right;"><span class="fontstyle0">Vitesse constante</span></td></tr></tbody></table>								</div>
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															<img loading="lazy" decoding="async" width="667" height="499" src="https://nanovea.com/wp-content/uploads/2022/04/Fiberglass-surface-analysis.jpg" class="attachment-large size-large wp-image-18504" alt="" />															</div>
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															<img loading="lazy" decoding="async" width="666" height="666" src="https://nanovea.com/wp-content/uploads/2022/04/Fiberglass-surface-profilometry.jpg" class="attachment-large size-large wp-image-18505" alt="" />															</div>
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					<h2 class="elementor-heading-title elementor-size-default">PROBE SPECIFICATIONS</h2>				</div>
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									<table style="width: 95.7674%; height: 120px;"><tbody><tr><td><b><em>MESURE</em><em> GAMME</em></b></td><td style="text-align: right;">1 mm</td></tr><tr><td><em><b>RÉSOLUTION Z</b></em></td><td style="text-align: right;"> 25 nm</td></tr><tr><td><em><b>Z ACCURACY</b></em></td><td style="text-align: right;">200 nm</td></tr><tr><td><em><b>RÉSOLUTION LATÉRALE</b></em></td><td style="text-align: right;"> 2 μm</td></tr></tbody></table>								</div>
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				<section class="elementor-section elementor-top-section elementor-element elementor-element-1979bac elementor-section-boxed elementor-section-height-default elementor-section-height-default" data-id="1979bac" data-element_type="section">
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					<h2 class="elementor-heading-title elementor-size-default">RÉSULTATS</h2>				</div>
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					<h2 class="elementor-heading-title elementor-size-default">VUE EN FAUSSE COULEUR</h2>				</div>
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															<img loading="lazy" decoding="async" width="969" height="389" src="https://nanovea.com/wp-content/uploads/2022/04/Fiberglass-3D-scan-profilometry.jpg" class="attachment-large size-large wp-image-18501" alt="" />															</div>
				</div>
				<section class="elementor-section elementor-inner-section elementor-element elementor-element-b66b493 elementor-section-boxed elementor-section-height-default elementor-section-height-default" data-id="b66b493" data-element_type="section">
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					<h2 class="elementor-heading-title elementor-size-default">Planéité de la surface 3D</h2>				</div>
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															<img loading="lazy" decoding="async" width="539" height="328" src="https://nanovea.com/wp-content/uploads/2022/04/Fiberglass-topography.jpg" class="attachment-large size-large wp-image-18508" alt="" />															</div>
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					<h2 class="elementor-heading-title elementor-size-default">Rugosité de surface 3D</h2>				</div>
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															<img loading="lazy" decoding="async" width="477" height="329" src="https://nanovea.com/wp-content/uploads/2022/04/Fiberglass-surface-topography.jpg" class="attachment-large size-large wp-image-18506" alt="" />															</div>
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									<table style="width: 100%;"><tbody><tr style="height: 24px;"><td style="width: 16.5979%; height: 24px;">Sa</td><td style="width: 27.2797%; height: 24px;">15,716 μm</td><td style="width: 52.8756%; height: 24px; text-align: left;">Moyenne arithmétique de la hauteur</td></tr><tr style="height: 24px;"><td style="width: 16.5979%; height: 24px;">Sq</td><td style="width: 27.2797%; height: 24px;">19,905 μm</td><td style="width: 52.8756%; height: 24px; text-align: left;">Hauteur moyenne quadratique</td></tr><tr style="height: 24px;"><td style="width: 16.5979%; height: 24px;">Sp</td><td style="width: 27.2797%; height: 24px;">116,74 μm</td><td style="width: 52.8756%; height: 24px; text-align: left;">Hauteur maximale du pic</td></tr><tr style="height: 24px;"><td style="width: 16.5979%; height: 24px;">Sv</td><td style="width: 27.2797%; height: 24px;">136,09 μm</td><td style="width: 52.8756%; height: 24px; text-align: left;">Hauteur maximale de la fosse</td></tr><tr style="height: 24px;"><td style="width: 16.5979%; height: 24px;">Sz</td><td style="width: 27.2797%; height: 24px;">252,83 μm</td><td style="width: 52.8756%; height: 24px; text-align: left;">Hauteur maximale</td></tr><tr style="height: 24px;"><td style="width: 16.5979%; height: 24px;">Ssk</td><td style="width: 27.2797%; height: 24px;">0.556</td><td style="width: 52.8756%; height: 24px; text-align: left;">Skewness</td></tr><tr style="height: 24px;"><td style="width: 16.5979%; height: 24px;">Ssu</td><td style="width: 27.2797%; height: 24px;">3.654</td><td style="width: 52.8756%; height: 24px; text-align: left;">Kurtosis</td></tr></tbody></table>								</div>
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				<section class="elementor-section elementor-top-section elementor-element elementor-element-33594e4 elementor-section-boxed elementor-section-height-default elementor-section-height-default" data-id="33594e4" data-element_type="section">
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					<h2 class="elementor-heading-title elementor-size-default">CONCLUSION</h2>				</div>
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									<p>Comme le montrent les résultats, le NANOVEA ST400 Optical <a href="https://nanovea.com/profilometers/">Profileur</a> a pu mesurer avec précision la rugosité et la planéité de la surface composite en fibre de verre. Les données peuvent être mesurées sur plusieurs lots de composites de fibres et/ou sur une période de temps donnée pour fournir des informations cruciales sur les différents processus de fabrication de la fibre de verre et sur leur réaction au fil du temps. Ainsi, le ST400 constitue une option viable pour renforcer le processus de contrôle qualité des matériaux composites en fibre de verre.</p>								</div>
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				</div><p>The post <a href="https://nanovea.com/fr/topographie-de-la-surface-de-la-fibre-de-verre-a-laide-de-la-profilometrie-3d/">Fiberglass Surface Topography Using 3D Profilometry</a> appeared first on <a href="https://nanovea.com/fr">NANOVEA: Advanced Profilometers, Tribometers, Nanoindenters, and Scratch Testers for Materials Testing</a>.</p>
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		<title>Usure et frottement des courroies polymères à l'aide d'un tribomètre</title>
		<link>https://nanovea.com/fr/usure-et-frottement-des-courroies-polymeres-a-laide-dun-tribometre/?utm_source=rss&#038;utm_medium=rss&#038;utm_campaign=polymer-belt-wear-and-friction-using-tribometer</link>
					<comments>https://nanovea.com/fr/usure-et-frottement-des-courroies-polymeres-a-laide-dun-tribometre/#respond</comments>
		
		<dc:creator><![CDATA[nanovea]]></dc:creator>
		<pubdate>Thu, 06 Jan 2022 21:24:20 +0000</pubdate>
				<category><![CDATA[Application Notes]]></category>
		<category><![CDATA[Laboratory Testing]]></category>
		<category><![CDATA[Linear Tribology]]></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>
		<category><![CDATA[Tribology Testing]]></category>
		<guid ispermalink="false">https://nanovea.com/?p=16977</guid>

					<description><![CDATA[<p>POLYMER BELTS WEAR AND FRICTION USING a TRIBOMETER Prepared by DUANJIE LI, PhD INTRODUCTION Belt drive transmits power and tracks relative movement between two or more rotating shafts. As a simple and inexpensive solution with minimal maintenance, belt drives are widely used in a variety of applications, such as bucksaws, sawmills, threshers, silo blowers and [&#8230;]</p>
<p>The post <a href="https://nanovea.com/fr/usure-et-frottement-des-courroies-polymeres-a-laide-dun-tribometre/">Polymer Belt Wear and Friction using a Tribometer</a> appeared first on <a href="https://nanovea.com/fr">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="16977" class="elementor elementor-16977" 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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					<h2 class="elementor-heading-title elementor-size-default">COURROIES EN POLYMÈRE</h2>				</div>
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					<h2 class="elementor-heading-title elementor-size-default">USURE ET FRICTION à l'aide d'un TRIBOMETRE</h2>				</div>
				</div>
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															<img loading="lazy" decoding="async" width="768" height="217" src="https://nanovea.com/wp-content/uploads/2022/01/Polymer-Belts-Wear-Testing.jpg" class="attachment-medium_large size-medium_large wp-image-16979" alt="" />															</div>
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					<h2 class="elementor-heading-title elementor-size-default">Préparé par</h2>				</div>
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					<h2 class="elementor-heading-title elementor-size-default">DUANJIE LI, PhD</h2>				</div>
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				<section class="elementor-section elementor-top-section elementor-element elementor-element-753c1f3 elementor-section-content-middle elementor-reverse-mobile elementor-section-boxed elementor-section-height-default elementor-section-height-default" data-id="753c1f3" 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">INTRODUCTION</h2>				</div>
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									<p>La transmission par courroie transmet la puissance et suit le mouvement relatif entre deux ou plusieurs arbres rotatifs. En tant que solution simple et peu coûteuse avec un entretien minimal, les transmissions par courroie sont largement utilisées dans une variété d'applications, telles que les scies à ruban, les scieries, les batteuses, les souffleurs de silo et les convoyeurs. Les transmissions par courroie peuvent protéger les machines contre les surcharges, ainsi qu'amortir et isoler les vibrations.</p>								</div>
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					<h2 class="elementor-heading-title elementor-size-default">IMPORTANCE DE L'ÉVALUATION DE L'USURE
POUR LES TRANSMISSIONS PAR COURROIE</h2>				</div>
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									<p>Le frottement et l'usure sont inévitables pour les courroies d'une machine entraînée par courroie. Un frottement suffisant assure une transmission efficace de la puissance sans glissement, mais un frottement excessif peut entraîner une usure rapide de la courroie. Différents types d'usure tels que la fatigue, l'abrasion et le frottement se produisent pendant le fonctionnement de la transmission par courroie. Afin de prolonger la durée de vie de la courroie et de réduire le coût et le temps de réparation et de remplacement de la courroie, une évaluation fiable des performances d'usure des courroies est souhaitable pour améliorer la durée de vie des courroies, l'efficacité de la production et les performances des applications. La mesure précise du coefficient de friction et du taux d'usure de la courroie facilite la R&amp;D et le contrôle de la qualité de la production de courroies.</p>								</div>
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				<section class="elementor-section elementor-top-section elementor-element elementor-element-bbe0c25 elementor-reverse-mobile elementor-section-boxed elementor-section-height-default elementor-section-height-default" data-id="bbe0c25" data-element_type="section">
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																<a href="https://nanovea.com/instruments/t2000/">
							<img loading="lazy" decoding="async" width="768" height="711" src="https://nanovea.com/wp-content/uploads/2020/12/T2000-Superior-Tribometer.png" class="elementor-animation-grow attachment-medium_large size-medium_large wp-image-9913" alt="Tribomètre pneumatique à haute charge" />								</a>
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									<p style="text-align: left;">OBJECTIF DE MESURE</p>								</div>
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									<p style="text-align: left;"><span class="fontstyle0">Dans cette étude, nous avons simulé et comparé les comportements d'usure de courroies présentant différentes textures de surface afin de mettre en évidence la capacité de l </span><span class="fontstyle2">NANOVEA </span><span class="fontstyle0">Le tribomètre T2000 permet de simuler le processus d'usure de la courroie de manière contrôlée et surveillée.</span></p>								</div>
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									<p style="text-align: left;">NANOVEA</p>								</div>
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									<p style="text-align: left;">T2000</p>								</div>
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									<span class="elementor-button-text">EN SAVOIR PLUS</span>
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					<h2 class="elementor-heading-title elementor-size-default">PROCÉDURES DE TEST</h2>				</div>
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									<p><span class="fontstyle0">Le coefficient de frottement (COF) et la résistance à l'usure de deux courroies présentant des rugosités et des textures de surface différentes ont été évalués par l'analyse de l'indice de frottement. </span><span class="fontstyle2">NANOVEA </span><span class="fontstyle0">Charge élevée <a href="https://nanovea.com/tribometers/">Tribomètre </a>utilisant le module d&#039;usure à mouvement alternatif linéaire. Une bille en acier 440 (diamètre 10 mm) a été utilisée comme contre-matériau. La rugosité de la surface et la trace d&#039;usure ont été examinées à l&#039;aide d&#039;un <a href="https://nanovea.com/profilometers/">Profilomètre 3D sans contact</a>. Le taux d&#039;usure, </span><span class="fontstyle2">K</span><span class="fontstyle0">a été évaluée à l'aide de la formule </span><span class="fontstyle2">K=Vl(Fxs)</span><span class="fontstyle0">où </span><span class="fontstyle2">V </span><span class="fontstyle0">est le volume usé, </span><span class="fontstyle2">F </span><span class="fontstyle0">est la charge normale et </span><span class="fontstyle2">s </span><span class="fontstyle0">est la distance de glissement.</span></p><p> </p><p><span class="fontstyle0">Veuillez noter qu'une contrepartie lisse en acier 440 a été utilisée comme exemple dans cette étude. Tout matériau solide de forme et de finition de surface différentes peut être appliqué à l'aide de montages personnalisés pour simuler la situation d'application réelle.</span></p>								</div>
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															<img loading="lazy" decoding="async" width="759" height="428" src="https://nanovea.com/wp-content/uploads/2022/01/Polymer-Belts-Wear-and-Friction.jpg" class="attachment-large size-large wp-image-16988" alt="" />															</div>
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															<img loading="lazy" decoding="async" width="758" height="514" src="https://nanovea.com/wp-content/uploads/2022/01/Polymer-Belts-Tribometer.jpg" class="attachment-large size-large wp-image-16987" alt="" />															</div>
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					<h2 class="elementor-heading-title elementor-size-default">RÉSULTATS ET DISCUSSION</h2>				</div>
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									<p><span class="fontstyle0">La bande texturée et la bande lisse ont une rugosité de surface Ra de 33,5 et 8,7 um, respectivement, d'après les profils de surface analysés pris avec une </span><span class="fontstyle2">NANOVEA </span><span class="fontstyle0">Profileur optique 3D sans contact. Le COF et le taux d'usure des deux courroies testées ont été mesurés à 10 N et 100 N, respectivement, afin de comparer le comportement d'usure des courroies à différentes charges.</span></p>								</div>
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									<p><span class="fontstyle0">FIGURE 1 </span><span class="fontstyle2">montre l'évolution du COF des courroies pendant les essais d'usure. Les courroies avec différentes textures présentent des comportements d'usure sensiblement différents. Il est intéressant de noter qu'après la période de rodage au cours de laquelle le COF augmente progressivement, la courroie texturée atteint un COF inférieur de ~0,5 dans les deux tests réalisés avec des charges de 10 N et 100 N. En comparaison, la courroie lisse testée sous une charge de 10 N présente un COF nettement plus élevé de ~1,4 lorsque le COF se stabilise et se maintient au-dessus de cette valeur pour le reste du test. La courroie lisse testée sous une charge de 100 N a été rapidement usée par la bille d'acier 440 et a formé une grande trace d'usure. L'essai a donc été arrêté à 220 tours.</span></p>								</div>
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															<img loading="lazy" decoding="async" width="571" height="472" src="https://nanovea.com/wp-content/uploads/2022/01/Polymer-Belts-COF.jpg" class="attachment-large size-large wp-image-16980" alt="" />															</div>
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									<p style="text-align: center;"><span class="fontstyle0" style="color: #1b96cf;">FIGURE 1:</span><span class="fontstyle0" style="color: #1b96cf;"><span style="color: #000000;"><span class="fontstyle0"> Evolution du COF des courroies à différentes charges.
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									<p>La FIGURE 2 compare les images des traces d'usure en 3D après les essais à 100 N. Le profilomètre sans contact NANOVEA 3D offre un outil pour analyser la morphologie détaillée des traces d'usure, ce qui permet de mieux comprendre le mécanisme d'usure.</p>								</div>
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															<img loading="lazy" decoding="async" width="602" height="150" src="https://nanovea.com/wp-content/uploads/2022/01/Polymer-Belts-Coefficient-of-Friction.jpg" class="attachment-large size-large wp-image-16991" alt="" />															</div>
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									<p style="text-align: center;"><span class="fontstyle0" style="color: #1b96cf;">TABLEAU 1 :</span><span class="fontstyle0" style="color: #1b96cf;"><span style="color: #000000;"><span class="fontstyle0"> Résultat de l'analyse des traces d'usure.
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															<img loading="lazy" decoding="async" width="586" height="411" src="https://nanovea.com/wp-content/uploads/2022/01/Polymer-Belts-Profilometer-scan.jpg" class="attachment-large size-large wp-image-16983" alt="" />															</div>
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									<p style="text-align: center;"><span style="color: #1b96cf;">FIGURE 2 :</span><span style="color: #1b96cf;"><span style="color: #000000;">  <span class="fontstyle0">Vue 3D des deux courroies<br />après les essais à 100 N.</span></span></span></p>								</div>
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									<p class="MsoNormal">Le profil de la trace d'usure en 3D permet de déterminer directement et précisément le volume de la trace d'usure calculé par le logiciel d'analyse avancée, comme le montre le TABLEAU 1. Lors d'un essai d'usure de 220 tours, la courroie lisse présente une trace d'usure beaucoup plus grande et plus profonde avec un volume de 75,7 mm3, contre un volume d'usure de 14,0 mm3 pour la courroie texturée après un essai d'usure de 600 tours. Le frottement nettement plus élevé de la courroie lisse contre la bille d'acier entraîne un taux d'usure 15 fois supérieur à celui de la courroie texturée.</p><p class="MsoNormal"> </p><p class="MsoNormal">Une telle différence de COF entre la courroie texturée et la courroie lisse est probablement liée à la taille de la zone de contact entre la courroie et la bille d'acier, ce qui entraîne également des performances d'usure différentes. La FIGURE 3 montre les traces d'usure des deux courroies au microscope optique. L'examen des traces d'usure est en accord avec l'observation de l'évolution du COF : La courroie texturée, qui maintient un faible COF de ~0,5, ne présente aucun signe d'usure après le test d'usure sous une charge de 10 N. La courroie lisse présente une petite trace d'usure à 10 N. Les tests d'usure effectués à 100 N créent des traces d'usure beaucoup plus grandes sur les courroies texturées et lisses, et le taux d'usure sera calculé à l'aide de profils 3D, comme nous le verrons dans le paragraphe suivant.</p>								</div>
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															<img loading="lazy" decoding="async" width="490" height="470" src="https://nanovea.com/wp-content/uploads/2022/01/Polymer-Belts-Wear-Test.jpg" class="attachment-large size-large wp-image-16989" alt="" />															</div>
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															<img loading="lazy" decoding="async" width="491" height="472" src="https://nanovea.com/wp-content/uploads/2022/01/Polymer-Belts-Friction-Test.jpg" class="attachment-large size-large wp-image-16981" alt="" />															</div>
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															<img loading="lazy" decoding="async" width="491" height="472" src="https://nanovea.com/wp-content/uploads/2022/01/Polymer-Belts-Tribology-Test.jpg" class="attachment-large size-large wp-image-16985" alt="" />															</div>
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															<img loading="lazy" decoding="async" width="491" height="472" src="https://nanovea.com/wp-content/uploads/2022/01/Polymer-Belts-Tribometer-Test.jpg" class="attachment-large size-large wp-image-16986" alt="" />															</div>
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									<p style="text-align: center;"><span style="color: #1b96cf;">FIGURE 3 :</span><span style="color: #1b96cf;"><span style="color: #000000;">  <span class="fontstyle0">Traces d'usure au microscope optique.</span> <br /></span></span></p>								</div>
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					<h2 class="elementor-heading-title elementor-size-default">CONCLUSION</h2>				</div>
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									<p>Dans cette étude, nous avons démontré la capacité du tribomètre NANOVEA T2000 à évaluer le coefficient de friction et le taux d'usure des courroies d'une manière bien contrôlée et quantitative. La texture de la surface joue un rôle essentiel dans la résistance au frottement et à l'usure des courroies pendant leur durée de vie. La courroie texturée présente un coefficient de frottement stable de ~0,5 et possède une longue durée de vie, ce qui permet de réduire le temps et les coûts de réparation ou de remplacement des outils. En comparaison, le frottement excessif de la courroie lisse contre la bille d'acier use rapidement la courroie. En outre, la charge exercée sur la courroie est un facteur essentiel de sa durée de vie. La surcharge crée une friction très élevée, ce qui entraîne une usure accélérée de la courroie.</p>
<p>Le tribomètre NANOVEA T2000 offre des essais d'usure et de friction précis et répétables en utilisant des modes rotatifs et linéaires conformes aux normes ISO et ASTM, avec des modules optionnels d'usure à haute température, de lubrification et de tribocorrosion disponibles dans un système pré-intégré.&nbsp;<span style="font-size: 16.8px;">NANOVEA's&nbsp;</span>est une solution idéale pour déterminer la gamme complète des propriétés tribologiques des revêtements, films et substrats minces ou épais, mous ou durs.</p>								</div>
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					<h2 class="elementor-heading-title elementor-size-default">Vous avez une application similaire ?</h2>				</div>
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				</div><p>The post <a href="https://nanovea.com/fr/usure-et-frottement-des-courroies-polymeres-a-laide-dun-tribometre/">Polymer Belt Wear and Friction using a Tribometer</a> appeared first on <a href="https://nanovea.com/fr">NANOVEA: Advanced Profilometers, Tribometers, Nanoindenters, and Scratch Testers for Materials Testing</a>.</p>
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		<title>Microstructure des fossiles par profilométrie 3D</title>
		<link>https://nanovea.com/fr/microstructure-des-fossiles-par-profilometrie-3d/?utm_source=rss&#038;utm_medium=rss&#038;utm_campaign=fossil-microstructure-using-3d-profilometry</link>
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		<dc:creator><![CDATA[nanovea]]></dc:creator>
		<pubdate>Tue, 28 Dec 2021 20:03:37 +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=16911</guid>

					<description><![CDATA[<p>FOSSIL MICROSTRUCTURE USING 3D PROFILOMETRY Prepared by DUANJIE LI, PhD INTRODUCTION Fossils are the preserved remains of traces of plants, animals and other organisms buried in sediment under ancient seas, lakes and rivers. The soft body tissue usually decays after death, but the hard shells, bones and teeth fossilize. Microstructure surface features are often preserved [&#8230;]</p>
<p>The post <a href="https://nanovea.com/fr/microstructure-des-fossiles-par-profilometrie-3d/">Fossil Microstructure Using 3D Profilometry</a> appeared first on <a href="https://nanovea.com/fr">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="16911" class="elementor elementor-16911" data-elementor-post-type="post">
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					<h2 class="elementor-heading-title elementor-size-default">MICROSTRUCTURE FOSSILE</h2>				</div>
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					<h2 class="elementor-heading-title elementor-size-default">EN UTILISANT LA PROFILOMÉTRIE 3D</h2>				</div>
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															<img loading="lazy" decoding="async" width="768" height="217" src="https://nanovea.com/wp-content/uploads/2021/12/Fossils-Portable-Profilometer.jpg" class="attachment-medium_large size-medium_large wp-image-16924" alt="" />															</div>
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					<h2 class="elementor-heading-title elementor-size-default">Préparé par</h2>				</div>
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					<h2 class="elementor-heading-title elementor-size-default">DUANJIE LI, PhD</h2>				</div>
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					<h2 class="elementor-heading-title elementor-size-default">INTRODUCTION</h2>				</div>
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									<p>Les fossiles sont les restes préservés de traces de plantes, d'animaux et d'autres organismes enfouis dans les sédiments sous d'anciennes mers, lacs et rivières. Les tissus mous du corps se décomposent généralement après la mort, mais les coquilles dures, les os et les dents se fossilisent. Les caractéristiques de surface de la microstructure sont souvent préservées lors du remplacement minéral des coquilles et des os d'origine, ce qui donne un aperçu de l'évolution du temps et du mécanisme de formation des fossiles.</p>								</div>
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					<h2 class="elementor-heading-title elementor-size-default">IMPORTANCE D'UN PROFILOMÈTRE 3D SANS CONTACT POUR L'EXAMEN DES FOSSILES</h2>				</div>
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									<p>Les profils 3D du fossile nous permettent d’observer les caractéristiques détaillées de la surface de l’échantillon fossile sous un angle plus rapproché. La haute résolution et la précision du profilomètre NANOVEA peuvent ne pas être perceptibles à l&#039;œil nu. Le logiciel d&#039;analyse du profilomètre propose une large gamme d&#039;études applicables à ces surfaces uniques. Contrairement à d&#039;autres techniques telles que les palpeurs, le NANOVEA <a href="https://nanovea.com/profilometers/">Profilomètre 3D sans contact</a> mesure les caractéristiques de la surface sans toucher l’échantillon. Cela permet de préserver les véritables caractéristiques de la surface de certains échantillons fossiles délicats. De plus, le profilomètre portable modèle Jr25 permet des mesures 3D sur les sites fossilifères, ce qui facilite considérablement l&#039;analyse et la protection des fossiles après excavation.</p>								</div>
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									<p style="text-align: left;">OBJECTIF DE MESURE</p>								</div>
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									<p style="text-align: left;"><span style="font-size: 16.8px;">Dans cette étude, le profilomètre NANOVEA Jr25 est utilisé pour mesurer la surface de deux échantillons de fossiles représentatifs. La surface entière de chaque fossile a été scannée et analysée afin de caractériser ses caractéristiques de surface, notamment la rugosité, le contour et la direction de la texture.</span></p>								</div>
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									<p style="text-align: left;">NANOVEA</p>								</div>
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									<p style="text-align: left;">Jr25</p>								</div>
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									<span class="elementor-button-text">EN SAVOIR PLUS</span>
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																<a href="https://nanovea.com/instruments/jr25/">
							<img loading="lazy" decoding="async" width="664" height="733" src="https://nanovea.com/wp-content/uploads/2021/08/NANOVEA-Jr25-Portable-Profilometer.png" class="elementor-animation-grow attachment-medium_large size-medium_large wp-image-12966" alt="" />								</a>
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					<h2 class="elementor-heading-title elementor-size-default">FOSSILE DE BRACHIOPODE</h2>				</div>
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									<p>Le premier échantillon de fossile présenté dans ce rapport est un fossile de brachiopode, qui provient d'un animal marin possédant des "valves" (coquilles) dures sur ses surfaces supérieure et inférieure. Ils sont apparus à la période cambrienne, il y a plus de 550 millions d'années.</p><p><span style="font-size: 16.8px;">La vue 3D du scan est présentée dans la FIGURE 1 et la vue en fausses couleurs est présentée dans la FIGURE 2. </span></p>								</div>
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															<img loading="lazy" decoding="async" width="535" height="501" src="https://nanovea.com/wp-content/uploads/2021/12/Shell-Fossil-Analysis.jpg" class="attachment-large size-large wp-image-16919" alt="" />															</div>
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															<img loading="lazy" decoding="async" width="717" height="521" src="https://nanovea.com/wp-content/uploads/2021/12/Brachiopod-Fossil-Scan-Profilometer.jpg" class="attachment-large size-large wp-image-16939" alt="" />															</div>
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									<p style="text-align: center;"><span class="fontstyle0" style="color: #1b96cf;">FIGURE 1: </span><span class="fontstyle0" style="color: #1b96cf;"><span style="color: #000000;"><span class="fontstyle0">Vue 3D de l'échantillon de fossiles de brachiopodes.</span><br /></span></span></p>								</div>
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															<img loading="lazy" decoding="async" width="501" height="418" src="https://nanovea.com/wp-content/uploads/2021/12/Brachiopod-Fossil-Study.jpg" class="attachment-large size-large wp-image-16925" alt="" />															</div>
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									<p style="text-align: center;"><span class="fontstyle0" style="color: #1b96cf;">FIGURE 2 : </span><span class="fontstyle0"><span style="color: #000000;">Vue en fausses couleurs de l'échantillon de fossiles de brachiopodes.</span></span></p>								</div>
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									<p><span style="font-size: 16.8px;">La forme globale a ensuite été retirée de la surface afin d'étudier la morphologie et le contour de la surface locale du fossile de brachiopode, comme le montre la FIGURE 3. Une texture particulière de rainure divergente peut maintenant être observée sur l'échantillon de fossile de Brachiopode.</span></p>								</div>
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															<img loading="lazy" decoding="async" width="773" height="318" src="https://nanovea.com/wp-content/uploads/2021/12/Shell-Fossil-Profilometry.jpg" class="attachment-large size-large wp-image-16920" alt="" />															</div>
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									<p style="text-align: center;"><span class="fontstyle0" style="color: #1b96cf;">FIGURE 3 :</span><span class="fontstyle0" style="color: #1b96cf;"><span style="color: #000000;"><span class="fontstyle0"> Vue des fausses couleurs et vue des lignes de contour après la suppression du formulaire.</span><br /></span></span></p>								</div>
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									<p><span style="font-size: 16.8px;">Un profil de ligne est extrait de la zone texturée pour montrer une vue en coupe de la surface du fossile dans la FIGURE 4. L'étude de la hauteur des pas mesure les dimensions précises des caractéristiques de la surface. Les rainures ont une largeur moyenne de ~0,38 mm et une profondeur de ~0,25 mm.</span></p>								</div>
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															<img loading="lazy" decoding="async" width="1024" height="243" src="https://nanovea.com/wp-content/uploads/2021/12/Shell-Fossil-Study.jpg" class="attachment-large size-large wp-image-16921" alt="" />															</div>
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															<img loading="lazy" decoding="async" width="1024" height="161" src="https://nanovea.com/wp-content/uploads/2021/12/Crinoid-Fossil-Study-Profilometer.jpg" class="attachment-large size-large wp-image-16938" alt="" />															</div>
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									<p style="text-align: center;"><span class="fontstyle0" style="color: #1b96cf;">FIGURE 4 :</span><span class="fontstyle0" style="color: #1b96cf;"><span style="color: #000000;"><span class="fontstyle0"> Études du profil des lignes et de la hauteur des marches de la surface texturée.</span><br /></span></span></p>								</div>
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					<h2 class="elementor-heading-title elementor-size-default">FOSSILE DE TIGE DE CRINOÏDE</h2>				</div>
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									<p><span style="font-size: 16.8px;">Le deuxième échantillon de fossile est un fossile de tige de crinoïde. Les crinoïdes sont apparus dans les mers du Cambrien moyen, environ 300 millions d'années avant les dinosaures. </span></p><p><span style="font-size: 16.8px;"> </span></p><p><span style="font-size: 16.8px;">La vue 3D du scan est illustrée à la FIGURE 5 et la vue en fausses couleurs est illustrée à la FIGURE 6. </span></p>								</div>
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															<img loading="lazy" decoding="async" width="392" height="534" src="https://nanovea.com/wp-content/uploads/2021/12/Crinoid-Fossil-Analysis.jpg" class="attachment-large size-large wp-image-16926" alt="" />															</div>
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															<img loading="lazy" decoding="async" width="661" height="508" src="https://nanovea.com/wp-content/uploads/2021/12/Crinoid-Stem-Fossil-Study.jpg" class="attachment-large size-large wp-image-16917" alt="" />															</div>
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									<p style="text-align: center;"><span class="fontstyle0" style="color: #1b96cf;">FIGURE 5 : </span><span class="fontstyle0" style="color: #1b96cf;"><span style="color: #000000;"><span class="fontstyle0">Vue 3D de l'échantillon de fossiles de crinoïdes.</span><br /></span></span></p>								</div>
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				<section class="elementor-section elementor-top-section elementor-element elementor-element-ff3fa93 elementor-section-boxed elementor-section-height-default elementor-section-height-default" data-id="ff3fa93" data-element_type="section">
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									<p><span style="font-size: 16.8px;">L'isotropie et la rugosité de la texture de surface du fossile de tige de Crinoïde sont analysées dans la FIGURE 7. </span></p><p><span style="font-size: 16.8px;"> </span><span style="color: var( --e-global-color-text );">Ce fossile présente une direction de texture préférentielle dans l'angle proche de 90°, ce qui conduit à une isotropie de texture de 69%.</span></p>								</div>
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															<img loading="lazy" decoding="async" width="497" height="368" src="https://nanovea.com/wp-content/uploads/2021/12/Crinoid-Fossil-Profilometry.jpg" class="attachment-large size-large wp-image-16914" alt="" />															</div>
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									<p style="text-align: center;"><span style="color: #1b96cf;">FIGURE 6 :</span><span style="color: #1b96cf;"><span style="color: #000000;"> Vue en fausses couleurs de la </span></span><span style="color: #000000;">Tige de crinoïde </span><span style="color: #000000;">échantillon.</span></p><p style="text-align: center;"><span style="color: #1b96cf;"><span style="color: #000000;"> </span></span></p>								</div>
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															<img loading="lazy" decoding="async" width="506" height="248" src="https://nanovea.com/wp-content/uploads/2021/12/Crinoid-Fossil-Measurement.jpg" class="attachment-large size-large wp-image-16913" alt="" />															</div>
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															<img loading="lazy" decoding="async" width="444" height="202" src="https://nanovea.com/wp-content/uploads/2021/12/Crinoid-Fossil-Isotropy-and-Roughness.jpg" class="attachment-large size-large wp-image-16912" alt="" />															</div>
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															<img loading="lazy" decoding="async" width="1024" height="234" src="https://nanovea.com/wp-content/uploads/2021/12/Fossil-Profilometry-Parameters.jpg" class="attachment-large size-large wp-image-16918" alt="" />															</div>
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									<p style="text-align: center;"><span style="color: #1b96cf;">FIGURE 7 :</span><span style="color: #1b96cf;"><span style="color: #000000;"> </span></span><span style="color: #000000;">Isotropie de la texture de surface et rugosité du fossile de la tige du Crinoïde.</span></p>								</div>
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									<p><span style="font-size: 16.8px;">Le profil 2D le long de la direction axiale du fossile de la tige du Crinoïde est présenté dans la FIGURE 8. </span></p><p><span style="color: var( --e-global-color-text );">La taille des pics de la texture de surface est assez uniforme.</span></p>								</div>
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															<img loading="lazy" decoding="async" width="1024" height="211" src="https://nanovea.com/wp-content/uploads/2021/12/Crinoid-Stem-Fossil-Profile-Analysis.jpg" class="attachment-large size-large wp-image-16916" alt="" />															</div>
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															<img loading="lazy" decoding="async" width="1024" height="145" src="https://nanovea.com/wp-content/uploads/2021/12/Crinoid-Stem-Fossil-2D-Profile-Analysis.jpg" class="attachment-large size-large wp-image-16915" alt="" />															</div>
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									<p style="text-align: center;"><span style="color: #1b96cf;">FIGURE 8 :</span><span style="color: #000000;"> Analyse du profil 2D du fossile de la tige du Crinoïde.</span></p>								</div>
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					<h2 class="elementor-heading-title elementor-size-default">CONCLUSION</h2>				</div>
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									<p><span style="font-size: 16.8px;">Dans cette application, nous avons étudié de manière exhaustive les caractéristiques de surface 3D d'un fossile de tige de brachiopode et de crinoïde à l'aide du profilomètre portable sans contact NANOVEA Jr25. Nous montrons que l'instrument peut caractériser avec précision la morphologie 3D des échantillons fossiles. Les caractéristiques de surface et la texture intéressantes des échantillons sont ensuite analysées plus en détail. L'échantillon de Brachiopode possède une texture de rainure divergente, tandis que le fossile de tige de Crinoïde montre une isotropie de texture préférentielle. Les scans de surface 3D détaillés et précis s'avèrent être des outils idéaux pour les paléontologues et les géologues pour étudier l'évolution des vies et la formation des fossiles.</span></p><p><span style="color: var( --e-global-color-text ); background-color: rgba(255, 255, 255, 0);">Les données présentées ici ne représentent qu'une partie des calculs disponibles dans le logiciel d'analyse. Les profilomètres NANOVEA mesurent pratiquement n'importe quelle surface dans des domaines tels que les semi-conducteurs, la microélectronique, l'énergie solaire, les fibres optiques, l'automobile, l'aérospatiale, la métallurgie, l'usinage, les revêtements, la pharmacie, le biomédical, l'environnement et bien d'autres encore.</span></p>								</div>
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				</div><p>The post <a href="https://nanovea.com/fr/microstructure-des-fossiles-par-profilometrie-3d/">Fossil Microstructure Using 3D Profilometry</a> appeared first on <a href="https://nanovea.com/fr">NANOVEA: Advanced Profilometers, Tribometers, Nanoindenters, and Scratch Testers for Materials Testing</a>.</p>
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		<title>Finition de la surface du cuir traité à l'aide de la profilométrie 3D</title>
		<link>https://nanovea.com/fr/surface-en-cuir-traite-finition-par-profilometrie-3d/?utm_source=rss&#038;utm_medium=rss&#038;utm_campaign=processed-leather-surface-finish-using-3d-profilometry</link>
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		<dc:creator><![CDATA[nanovea]]></dc:creator>
		<pubdate>Wed, 20 Oct 2021 21:08:52 +0000</pubdate>
				<category><![CDATA[Application Notes]]></category>
		<category><![CDATA[Laboratory Testing]]></category>
		<category><![CDATA[Profilometry | Flatness and Warpage]]></category>
		<category><![CDATA[Profilometry | Roughness and Finish]]></category>
		<category><![CDATA[Profilometry | Texture and Grain]]></category>
		<category><![CDATA[Profilometry | Volume and Area]]></category>
		<category><![CDATA[Profilometry Testing]]></category>
		<guid ispermalink="false">https://nanovea.com/?p=15796</guid>

					<description><![CDATA[<p>PROCESSED LEATHER SURFACE FINISH USING 3D PROFILOMETRY Prepared by CRAIG LEISING INTRODUCTION Once the tanning process of a leather hide is complete the leather surface can undergo several finishing processes for a variety of looks and touch. These mechanical processes can include stretching, buffing, sanding, embossing, coating etc. Dependent upon the end use of the [&#8230;]</p>
<p>The post <a href="https://nanovea.com/fr/surface-en-cuir-traite-finition-par-profilometrie-3d/">Processed Leather Surface Finish using 3D Profilometry</a> appeared first on <a href="https://nanovea.com/fr">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="15796" class="elementor elementor-15796" data-elementor-post-type="post">
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					<h2 class="elementor-heading-title elementor-size-default">CUIR TRAITÉ</h2>				</div>
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					<h2 class="elementor-heading-title elementor-size-default">FINITION DE SURFACE PAR PROFILOMÉTRIE 3D</h2>				</div>
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															<img loading="lazy" decoding="async" width="768" height="216" src="https://nanovea.com/wp-content/uploads/2021/10/Leather-Finish-Quality-Control-Instruments.jpg" class="attachment-medium_large size-medium_large wp-image-15809" alt="" />															</div>
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					<h2 class="elementor-heading-title elementor-size-default">Préparé par</h2>				</div>
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					<h2 class="elementor-heading-title elementor-size-default">CRAIG LEISING</h2>				</div>
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				<section class="elementor-section elementor-top-section elementor-element elementor-element-753c1f3 elementor-section-content-middle elementor-reverse-mobile elementor-section-boxed elementor-section-height-default elementor-section-height-default" data-id="753c1f3" 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">INTRODUCTION</h2>				</div>
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									<p>Une fois le processus de tannage d'une peau de cuir terminé, la surface du cuir peut subir plusieurs processus de finition pour obtenir une variété d'aspects et de touchers. Ces procédés mécaniques peuvent inclure l'étirage, le polissage, le ponçage, le gaufrage, le revêtement, etc. Selon l'utilisation finale du cuir, certains peuvent nécessiter un traitement plus précis, contrôlé et répétable.</p>								</div>
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					<h2 class="elementor-heading-title elementor-size-default">IMPORTANCE DE L'INSPECTION PAR PROFILOMÉTRIE
POUR LA RECHERCHE ET LE DÉVELOPPEMENT ET LE CONTRÔLE DE LA QUALITÉ</h2>				</div>
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				<div class="elementor-element elementor-element-e74abb9 elementor-widget elementor-widget-text-editor" data-id="e74abb9" data-element_type="widget" data-widget_type="text-editor.default">
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									<p>En raison des variations importantes et du manque de fiabilité des méthodes d'inspection visuelle, les outils capables de quantifier avec précision les caractéristiques à l'échelle micro et nanométrique peuvent améliorer les processus de finition du cuir. La compréhension de l'état de surface du cuir dans un sens quantifiable peut conduire à une meilleure sélection des traitements de surface en fonction des données afin d'obtenir des résultats de finition optimaux. NANOVEA 3D sans contact <a href="https://nanovea.com/profilometers/">Profilomètres </a>Les profilomètres NANOVEA utilisent la technologie confocale chromatique pour mesurer les surfaces finies en cuir et offrent la répétabilité et la précision les plus élevées du marché. Là où d'autres techniques ne parviennent pas à fournir des données fiables, en raison du contact de la sonde, de la variation de la surface, de l'angle, de l'absorption ou de la réflectivité, les profilomètres NANOVEA y parviennent.</p>								</div>
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				<section class="elementor-section elementor-top-section elementor-element elementor-element-bbe0c25 elementor-reverse-mobile elementor-section-boxed elementor-section-height-default elementor-section-height-default" data-id="bbe0c25" data-element_type="section">
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									<p>OBJECTIF DE MESURE</p>								</div>
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									<p><em>Dans cette application, le NANOVEA ST400 est utilisé pour mesurer et comparer l'état de surface de deux échantillons de cuir différents mais traités de près. Plusieurs paramètres de surface sont automatiquement calculés à partir du profil de surface.</em></p><p><em>Nous nous concentrerons ici sur la rugosité de la surface, la profondeur des alvéoles, le pas des alvéoles et le diamètre des alvéoles pour une évaluation comparative.</em></p>								</div>
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									<p>NANOVEA</p>								</div>
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									<p>ST400</p>								</div>
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					<a class="elementor-button elementor-button-link elementor-size-sm" href="https://nanovea.com/instruments/st400/" id="profiler-lab-services">
						<span class="elementor-button-content-wrapper">
									<span class="elementor-button-text">EN SAVOIR PLUS</span>
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					</a>
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																<a href="https://nanovea.com/instruments/st400/">
							<img loading="lazy" decoding="async" width="768" height="756" src="https://nanovea.com/wp-content/uploads/2021/06/Sandpaper-Roughness-and-Particle-Diameter-1-11.png" class="elementor-animation-grow attachment-medium_large size-medium_large wp-image-11976" alt="" />								</a>
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					<h2 class="elementor-heading-title elementor-size-default">RÉSULTATS : ÉCHANTILLON 1</h2>				</div>
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															<img loading="lazy" decoding="async" width="493" height="424" src="https://nanovea.com/wp-content/uploads/2021/10/Processed-LEather-Profilometer-Scan.jpg" class="attachment-large size-large wp-image-15800" alt="" />															</div>
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															<img loading="lazy" decoding="async" width="437" height="376" src="https://nanovea.com/wp-content/uploads/2021/10/Processed-Leather-3D-Scan-Profiler.jpg" class="attachment-large size-large wp-image-15799" alt="" />															</div>
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					<h2 class="elementor-heading-title elementor-size-default">ISO 25178</h2>				</div>
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					<h2 class="elementor-heading-title elementor-size-default">PARAMÈTRES DE HAUTEUR</h2>				</div>
				</div>
				<section class="elementor-section elementor-inner-section elementor-element elementor-element-5837b65 elementor-section-boxed elementor-section-height-default elementor-section-height-default" data-id="5837b65" data-element_type="section">
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															<img loading="lazy" decoding="async" width="312" height="173" src="https://nanovea.com/wp-content/uploads/2021/10/Leather-Profilometry.jpg" class="attachment-large size-large wp-image-15849" alt="" />															</div>
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															<img loading="lazy" decoding="async" width="312" height="133" src="https://nanovea.com/wp-content/uploads/2021/10/Leather-Profilometry-Scan.jpg" class="attachment-large size-large wp-image-15848" alt="" />															</div>
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					<h2 class="elementor-heading-title elementor-size-default">D'AUTRES PARAMÈTRES 3D</h2>				</div>
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															<img loading="lazy" decoding="async" width="312" height="96" src="https://nanovea.com/wp-content/uploads/2021/10/Leather-Profilometer.jpg" class="attachment-large size-large wp-image-15847" alt="" />															</div>
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		</section>
				<section class="elementor-section elementor-top-section elementor-element elementor-element-1979bac elementor-section-boxed elementor-section-height-default elementor-section-height-default" data-id="1979bac" data-element_type="section">
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					<h2 class="elementor-heading-title elementor-size-default">RÉSULTATS : ÉCHANTILLON 2</h2>				</div>
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				<section class="elementor-section elementor-inner-section elementor-element elementor-element-f6f1994 elementor-section-boxed elementor-section-height-default elementor-section-height-default" data-id="f6f1994" data-element_type="section">
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															<img loading="lazy" decoding="async" width="480" height="354" src="https://nanovea.com/wp-content/uploads/2021/10/Processed-Leather-Profilometry-Scan.jpg" class="attachment-large size-large wp-image-15801" alt="" />															</div>
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															<img loading="lazy" decoding="async" width="458" height="364" src="https://nanovea.com/wp-content/uploads/2021/10/Processed-Leather-surface-scan.jpg" class="attachment-large size-large wp-image-15802" alt="" />															</div>
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				<div class="elementor-widget-container">
					<h2 class="elementor-heading-title elementor-size-default">ISO 25178</h2>				</div>
				</div>
					</div>
		</div>
				<div class="elementor-column elementor-col-33 elementor-top-column elementor-element elementor-element-c35fc11" data-id="c35fc11" data-element_type="column" data-settings="{&quot;background_background&quot;:&quot;classic&quot;}">
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				<div class="elementor-widget-container">
					<h2 class="elementor-heading-title elementor-size-default">PARAMÈTRES DE HAUTEUR</h2>				</div>
				</div>
				<section class="elementor-section elementor-inner-section elementor-element elementor-element-3cd34d9 elementor-section-boxed elementor-section-height-default elementor-section-height-default" data-id="3cd34d9" data-element_type="section">
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															<img loading="lazy" decoding="async" width="312" height="171" src="https://nanovea.com/wp-content/uploads/2021/10/Leather-Profilometer-Scan.jpg" class="attachment-large size-large wp-image-15852" alt="" />															</div>
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															<img loading="lazy" decoding="async" width="312" height="132" src="https://nanovea.com/wp-content/uploads/2021/10/Leather-Surface-Finish.jpg" class="attachment-large size-large wp-image-15851" alt="" />															</div>
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		</section>
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					<h2 class="elementor-heading-title elementor-size-default">D'AUTRES PARAMÈTRES 3D</h2>				</div>
				</div>
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															<img loading="lazy" decoding="async" width="312" height="91" src="https://nanovea.com/wp-content/uploads/2021/10/Leather-Surface-Finish-Profilometry.jpg" class="attachment-large size-large wp-image-15850" alt="" />															</div>
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									<p><span class="fontstyle0">COMPARAISON EN PROFONDEUR</span></p>								</div>
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									<p><span class="fontstyle0">Distribution des profondeurs pour chaque échantillon.<br />Un grand nombre de fossettes profondes ont été observées en </span><span class="fontstyle2">ÉCHANTILLON 1</span><span class="fontstyle0">.</span></p>								</div>
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															<img loading="lazy" decoding="async" width="729" height="221" src="https://nanovea.com/wp-content/uploads/2021/10/Processed-Leather-Depth-Comperative.jpg" class="attachment-large size-large wp-image-15807" alt="" />															</div>
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															<img loading="lazy" decoding="async" width="729" height="216" src="https://nanovea.com/wp-content/uploads/2021/10/Processed-Leather-Depth-Comperative-Profiler.jpg" class="attachment-large size-large wp-image-15803" alt="" />															</div>
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									<p><span class="fontstyle0">COMPARATIF DE HAUTEUR</span></p>								</div>
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									<p><span class="fontstyle0">Pas entre les alvéoles sur </span><span class="fontstyle2">ÉCHANTILLON 1 </span><span class="fontstyle0">est légèrement plus petite<br />que </span><span class="fontstyle2">ÉCHANTILLON 2</span><span class="fontstyle0">mais les deux ont une distribution similaire</span></p>								</div>
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															<img loading="lazy" decoding="async" width="729" height="221" src="https://nanovea.com/wp-content/uploads/2021/10/Processed-Leather-Pitch-Comperative-Measurement.jpg" class="attachment-large size-large wp-image-15805" alt="" />															</div>
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															<img loading="lazy" decoding="async" width="729" height="216" src="https://nanovea.com/wp-content/uploads/2021/10/Processed-Leather-Pitch-Comperative.jpg" class="attachment-large size-large wp-image-15806" alt="" />															</div>
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									<p> <span class="fontstyle0">DIAMÈTRE MOYEN COMPARATIF</span></p>								</div>
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									<p><span class="fontstyle0">Distributions similaires du diamètre moyen des fossettes,<br />avec </span><span class="fontstyle2">ÉCHANTILLON 1 </span><span class="fontstyle0">montrant des diamètres moyens légèrement plus petits en moyenne.</span></p>								</div>
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															<img loading="lazy" decoding="async" width="726" height="220" src="https://nanovea.com/wp-content/uploads/2021/10/Processed-Leather-Mean-Diameter-Comperative.jpg" class="attachment-large size-large wp-image-15808" alt="" />															</div>
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															<img loading="lazy" decoding="async" width="726" height="215" src="https://nanovea.com/wp-content/uploads/2021/10/Processed-Leather-Mean-Diameter.jpg" class="attachment-large size-large wp-image-15804" alt="" />															</div>
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					<h2 class="elementor-heading-title elementor-size-default">CONCLUSION</h2>				</div>
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									<p>Dans cette application, nous avons montré comment le profilomètre 3D NANOVEA ST400 peut caractériser avec précision la finition de surface du cuir traité. Dans cette étude, la possibilité de mesurer la rugosité de la surface, la profondeur des alvéoles, le pas des alvéoles et le diamètre des alvéoles nous a permis de quantifier les différences entre la finition et la qualité des deux échantillons qui peuvent ne pas être évidentes par inspection visuelle.</p><p>Dans l'ensemble, il n'y a pas de différence visible dans l'apparence des scans 3D entre l'ÉCHANTILLON 1 et l'ÉCHANTILLON 2. Cependant, dans l'analyse statistique, on observe une distinction claire entre les deux échantillons. L'échantillon 1 contient une plus grande quantité de fossettes avec des diamètres plus petits, des profondeurs plus grandes et un pas plus petit entre les fossettes par rapport à l'échantillon 2.</p><p>Veuillez noter que des études supplémentaires sont disponibles. Des domaines d'intérêt particuliers auraient pu être analysés plus en profondeur avec un module AFM ou microscope intégré. Les vitesses du profilomètre 3D NANOVEA s'échelonnent de 20 mm/s à 1 m/s pour le laboratoire ou la recherche, afin de répondre aux besoins d'inspection à grande vitesse ; il peut être construit avec des dimensions, des vitesses et des capacités de balayage personnalisées, une conformité aux normes des salles blanches de classe 1, un convoyeur d'indexation ou pour une intégration en ligne ou en direct.</p>								</div>
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				</div><p>The post <a href="https://nanovea.com/fr/surface-en-cuir-traite-finition-par-profilometrie-3d/">Processed Leather Surface Finish using 3D Profilometry</a> appeared first on <a href="https://nanovea.com/fr">NANOVEA: Advanced Profilometers, Tribometers, Nanoindenters, and Scratch Testers for Materials Testing</a>.</p>
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		<title>Topographie de surfaces organiques à l'aide d'un profilomètre 3D portable</title>
		<link>https://nanovea.com/fr/topographie-de-surfaces-organiques-a-laide-dun-profilometre-3d-portable/?utm_source=rss&#038;utm_medium=rss&#038;utm_campaign=organic-surface-topography-using-portable-3d-profilometer</link>
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		<dc:creator><![CDATA[nanovea]]></dc:creator>
		<pubdate>Tue, 17 Aug 2021 18:11:38 +0000</pubdate>
				<category><![CDATA[Application Notes]]></category>
		<category><![CDATA[Laboratory Testing]]></category>
		<category><![CDATA[Profilometry | Flatness and Warpage]]></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=12946</guid>

					<description><![CDATA[<p>ORGANIC SURFACE TOPOGRAPHY USING PORTABLE 3D PROFILOMETER Prepared by CRAIG LEISING INTRODUCTION Nature has become a vital pool of inspiration for the development of improved surface structure. Understanding the surface structures found in nature has led to adhesion studies based on gecko’s feet, resistance studies based on a sea cucumbers textural change and repellency studies [&#8230;]</p>
<p>The post <a href="https://nanovea.com/fr/topographie-de-surfaces-organiques-a-laide-dun-profilometre-3d-portable/">Organic Surface Topography using Portable 3D Profilometer</a> appeared first on <a href="https://nanovea.com/fr">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="12946" class="elementor elementor-12946" data-elementor-post-type="post">
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					<h2 class="elementor-heading-title elementor-size-default">TOPOGRAPHIE DE LA SURFACE ORGANIQUE</h2>				</div>
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					<h2 class="elementor-heading-title elementor-size-default">UTILISATION D'UN PROFILOMÈTRE 3D PORTABLE</h2>				</div>
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															<img loading="lazy" decoding="async" width="768" height="217" src="https://nanovea.com/wp-content/uploads/2021/08/ORGANIC-SURFACE-TOPOGRAPHY-Profilometer.jpg" class="attachment-medium_large size-medium_large wp-image-12965" alt="" />															</div>
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					<h2 class="elementor-heading-title elementor-size-default">Préparé par</h2>				</div>
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					<h2 class="elementor-heading-title elementor-size-default">CRAIG LEISING</h2>				</div>
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					<h2 class="elementor-heading-title elementor-size-default">INTRODUCTION</h2>				</div>
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									<p style="text-align: justify;"><span class="fontstyle0">La nature est devenue une source d'inspiration essentielle pour le développement de structures de surface améliorées. La compréhension des structures de surface que l'on trouve dans la nature a conduit à des études d'adhésion basées sur des pattes de gecko, à des études de résistance basées sur le changement de texture d'un concombre de mer et à des études de répulsion basées sur des feuilles, parmi beaucoup d'autres. Ces surfaces ont un certain nombre d'applications potentielles, du biomédical à l'automobile en passant par l'habillement. Pour que toutes ces percées en matière de surface soient couronnées de succès, des techniques de fabrication doivent être développées afin que les caractéristiques de la surface puissent être imitées et reproduites. C'est ce processus qui nécessitera une identification et un contrôle.</span></p>								</div>
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					<h2 class="elementor-heading-title elementor-size-default">IMPORTANCE DU PROFILEUR OPTIQUE PORTABLE 3D SANS CONTACT POUR LES SURFACES ORGANIQUES</h2>				</div>
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									<p style="text-align: justify;">Utilisant la technologie Chromatic Light, le NANOVEA Jr25 Portable <a href="https://nanovea.com/profilometers/">Profileur optique</a> a une capacité supérieure pour mesurer presque tous les matériaux. Cela inclut les angles uniques et abrupts, les surfaces réfléchissantes et absorbantes que l’on retrouve dans le large éventail de caractéristiques de surface de la nature. Les mesures 3D sans contact fournissent une image 3D complète pour donner une compréhension plus complète des caractéristiques de la surface. Sans capacités 3D, l&#039;identification des surfaces naturelles reposerait uniquement sur des informations 2D ou sur l&#039;imagerie microscopique, qui ne fournissent pas suffisamment d&#039;informations pour imiter correctement la surface étudiée. Comprendre la gamme complète des caractéristiques de la surface, notamment la texture, la forme et les dimensions, entre autres, sera essentiel à une fabrication réussie.</p>
<p><b>La possibilité d'obtenir facilement des résultats de qualité laboratoire sur le terrain ouvre la porte à de nouvelles possibilités de recherche.</b></p>								</div>
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									<p>OBJECTIF DE MESURE</p>								</div>
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									<p><em><span class="fontstyle0">Dans cette application, le </span><span class="fontstyle2">NANOVEA </span><span class="fontstyle0">Jr25 est utilisé pour mesurer la surface d'une feuille. Il existe une liste infinie de paramètres de surface qui peuvent être calculés automatiquement après le balayage de surface 3D.</span></em></p><p><em><span class="fontstyle0">Ici, nous allons examiner la surface 3D et sélectionner<br />des domaines d'intérêt à analyser plus en profondeur, notamment<br />quantifier et étudier la rugosité de la surface, les canaux et la topographie</span></em></p>								</div>
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									<p>NANOVEA</p>								</div>
				</div>
				<div class="elementor-element elementor-element-fda08d7 elementor-widget elementor-widget-text-editor" data-id="fda08d7" data-element_type="widget" data-widget_type="text-editor.default">
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									<p>JR25</p>								</div>
				</div>
					</div>
		</div>
				<div class="elementor-column elementor-col-50 elementor-inner-column elementor-element elementor-element-a6b67e5" data-id="a6b67e5" data-element_type="column">
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				<div class="elementor-widget-container">
																<a href="https://nanovea.com/instruments/jr25/">
							<img loading="lazy" decoding="async" width="664" height="733" src="https://nanovea.com/wp-content/uploads/2021/08/NANOVEA-Jr25-Portable-Profilometer.png" class="elementor-animation-grow attachment-medium_large size-medium_large wp-image-12966" alt="" />								</a>
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				</div>
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		</div>
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		</section>
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		</section>
				<section class="elementor-section elementor-top-section elementor-element elementor-element-8ec771e elementor-section-boxed elementor-section-height-default elementor-section-height-default" data-id="8ec771e" data-element_type="section" data-settings="{&quot;background_background&quot;:&quot;classic&quot;}">
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									CONDITIONS DE TEST								</div>
				</div>
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		</div>
					</div>
		</section>
				<section class="elementor-section elementor-top-section elementor-element elementor-element-ab3fa80 elementor-section-boxed elementor-section-height-default elementor-section-height-default" data-id="ab3fa80" data-element_type="section">
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				<div class="elementor-widget-container">
															<img loading="lazy" decoding="async" width="1024" height="120" src="https://nanovea.com/wp-content/uploads/2021/08/Leaf-Topography-Analysis.jpg" class="attachment-large size-large wp-image-12963" alt="" />															</div>
				</div>
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		</div>
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		</section>
				<section class="elementor-section elementor-top-section elementor-element elementor-element-2075956 elementor-section-boxed elementor-section-height-default elementor-section-height-default" data-id="2075956" data-element_type="section">
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									<p><em><strong><span class="fontstyle0">PROFONDEUR DE L'ARC</span></strong></em></p>								</div>
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									<p><em><strong> <span class="fontstyle0">Densité moyenne des sillons : 16,471 cm/cm2<br />Profondeur moyenne des sillons : 97.428 μm<br />Profondeur maximale : 359,769 μm</span> </strong></em></p>								</div>
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															<img loading="lazy" decoding="async" width="276" height="238" src="https://nanovea.com/wp-content/uploads/2021/08/Leaf-Furrow-Depth-Scan-Analysis.jpg" class="attachment-medium size-medium wp-image-12954" alt="" />															</div>
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															<img loading="lazy" decoding="async" width="579" height="457" src="https://nanovea.com/wp-content/uploads/2021/08/Leaf-Surface-Profilometry.jpg" class="attachment-large size-large wp-image-12961" alt="" />															</div>
				</div>
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		</div>
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		</section>
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		</section>
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															<img loading="lazy" decoding="async" width="493" height="487" src="https://nanovea.com/wp-content/uploads/2021/08/Leaf-Surface-Analysis-Profilometer.jpg" class="attachment-large size-large wp-image-12957" alt="" />															</div>
				</div>
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															<img loading="lazy" decoding="async" width="731" height="486" src="https://nanovea.com/wp-content/uploads/2021/08/Leaf-3D-Scan-Topography.jpg" class="attachment-large size-large wp-image-12952" alt="" />															</div>
				</div>
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		</section>
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				<div class="elementor-widget-container">
															<img loading="lazy" decoding="async" width="293" height="294" src="https://nanovea.com/wp-content/uploads/2021/08/Leaf-Surface-Study.jpg" class="attachment-large size-large wp-image-12962" alt="" />															</div>
				</div>
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				<div class="elementor-widget-container">
															<img loading="lazy" decoding="async" width="886" height="334" src="https://nanovea.com/wp-content/uploads/2021/08/Leaf-Surface-Profile-Analysis.jpg" class="attachment-large size-large wp-image-12960" alt="" />															</div>
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		</div>
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		</section>
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		</div>
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		</section>
				<section class="elementor-section elementor-top-section elementor-element elementor-element-f398c5d elementor-section-boxed elementor-section-height-default elementor-section-height-default" data-id="f398c5d" data-element_type="section">
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				<div class="elementor-widget-container">
															<img loading="lazy" decoding="async" width="493" height="487" src="https://nanovea.com/wp-content/uploads/2021/08/Leaf-Profilometer-Study.jpg" class="attachment-large size-large wp-image-12956" alt="" />															</div>
				</div>
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				<div class="elementor-widget-container">
															<img loading="lazy" decoding="async" width="731" height="467" src="https://nanovea.com/wp-content/uploads/2021/08/Leaf-3D-Profilometer-Scan.jpg" class="attachment-large size-large wp-image-12950" alt="" />															</div>
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		</section>
				<section class="elementor-section elementor-inner-section elementor-element elementor-element-045ce83 elementor-section-boxed elementor-section-height-default elementor-section-height-default" data-id="045ce83" data-element_type="section">
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															<img loading="lazy" decoding="async" width="309" height="294" src="https://nanovea.com/wp-content/uploads/2021/08/Leaf-Surface-Analysis-Topography.jpg" class="attachment-large size-large wp-image-12958" alt="" />															</div>
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															<img loading="lazy" decoding="async" width="880" height="331" src="https://nanovea.com/wp-content/uploads/2021/08/Leaf-Measurement-Surface-Analysis.jpg" class="attachment-large size-large wp-image-12955" alt="" />															</div>
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		</section>
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															<img loading="lazy" decoding="async" width="493" height="487" src="https://nanovea.com/wp-content/uploads/2021/08/Leaf-Surface-Measurement-Study.jpg" class="attachment-large size-large wp-image-12959" alt="" />															</div>
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															<img loading="lazy" decoding="async" width="731" height="450" src="https://nanovea.com/wp-content/uploads/2021/08/Leaf-3D-Scan-Measurement.jpg" class="attachment-large size-large wp-image-12951" alt="" />															</div>
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		</section>
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															<img loading="lazy" decoding="async" width="310" height="294" src="https://nanovea.com/wp-content/uploads/2021/08/Leaf-Analysis-Organic-Surface-Topography.jpg" class="attachment-large size-large wp-image-12953" alt="" />															</div>
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															<img loading="lazy" decoding="async" width="886" height="334" src="https://nanovea.com/wp-content/uploads/2021/08/Leaf-Topography-Measurement-2.jpg" class="attachment-large size-large wp-image-12974" alt="" />															</div>
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		</section>
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		</section>
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					<h2 class="elementor-heading-title elementor-size-default">CONCLUSION</h2>				</div>
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									<p><span class="fontstyle0">Dans cette application, nous avons montré comment le </span><span class="fontstyle2">NANOVEA </span><span class="fontstyle0">Le profileur optique 3D sans contact Jr25 portable peut caractériser avec précision la topographie et les détails à l'échelle nanométrique de la surface d'une feuille sur le terrain. À partir de ces mesures de surface 3D, les zones d'intérêt peuvent être rapidement identifiées et ensuite analysées avec une liste d'études sans fin (</span><span class="fontstyle2">Dimension, rugosité, texture de finition, forme, topographie, planéité, déformation, planéité, surface volumique, hauteur de marche. </span><span class="fontstyle0">et autres). Une section transversale 2D peut être facilement choisie pour analyser des détails supplémentaires. Grâce à ces informations, les surfaces organiques peuvent être largement étudiées avec un ensemble complet de moyens de mesure de surface. Des domaines d'intérêt particuliers auraient pu être analysés plus en détail avec le module AFM intégré sur des modèles de table.</span></p><p><span class="fontstyle2">NANOVEA </span><span class="fontstyle0">propose également des profilomètres portables à grande vitesse pour la recherche sur le terrain et une large gamme de systèmes de laboratoire, ainsi que des services de laboratoire.</span></p>								</div>
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				</div><p>The post <a href="https://nanovea.com/fr/topographie-de-surfaces-organiques-a-laide-dun-profilometre-3d-portable/">Organic Surface Topography using Portable 3D Profilometer</a> appeared first on <a href="https://nanovea.com/fr">NANOVEA: Advanced Profilometers, Tribometers, Nanoindenters, and Scratch Testers for Materials Testing</a>.</p>
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