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	<title>Notes d'application sur les tests de profilométrie - NANOVEA : Profilomètres, tribomètres, nanoindeurs et testeurs de rayures avancés pour les tests de matériaux</title>
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	<description>Instruments de métrologie pour la recherche sur les matériaux et le contrôle de la qualité</description>
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	<title>Notes d'application sur les tests de profilométrie - NANOVEA : Profilomètres, tribomètres, nanoindeurs et testeurs de rayures avancés pour les tests de matériaux</title>
	<link>https://nanovea.com/fr/categorie/notes-dapplication/test-de-profilometrie/</link>
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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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				<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">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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									<p style="text-align: center; font-size: 20pt; color: black;">NANOVEA <span style="font-size: 20pt; color: #1b96cf;">PB1000 Advanced</span></p><p style="text-align: center; font-size: 20pt; color: black;">Testeur Méchanique</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>
<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>0.1 mN</td>
</tr>
<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>
</div>								</div>
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									<p style="text-align: center;"><span class="fontstyle0" style="color: #1b96cf;">Table 2: </span>Test parameters for nano scratch measurements on grooved stent samples</p>								</div>
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															<img loading="lazy" decoding="async" width="932" height="1042" src="https://nanovea.com/wp-content/uploads/2026/03/stent-groove-coating-cross-section-sem-adhesion-analysis.jpg" class="attachment-full size-full wp-image-26288" alt="stent groove cross section polymer coating thickness adhesion analysis nano scratch testing" />															</div>
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									<p style="text-align: center;"><span class="fontstyle0" style="color: #1b96cf;">Fig. 1: </span>SEM cross-section of a grooved stent showing polymer coating located at the bottom of the groove, highlighting the challenge of coating adhesion measurement in recessed geometries.</p>								</div>
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															<img decoding="async" src="https://nanovea.com/wp-content/uploads/2026/03/nano-scratch-diamond-tip-40-degree-stent-groove-testing.svg" class="attachment-full size-full wp-image-26289" alt="nano scratch diamond tip 40 degree stent groove coating adhesion testing schematic" />															</div>
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									<p style="text-align: center;"><span class="fontstyle0" style="color: #1b96cf;">Fig. 2: </span>Schematic of a 40° conical diamond tip designed for nano scratch testing inside stent grooves, enabling accurate adhesion measurement without sidewall interference.</p>								</div>
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					<h2 class="elementor-heading-title elementor-size-default">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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				<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>
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										<content:encoded><![CDATA[<div data-elementor-type="wp-post" data-elementor-id="26196" class="elementor elementor-26196" data-elementor-post-type="post">
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									<p>Application Note | Dental Surface Characterization</p>								</div>
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					<h1 class="elementor-heading-title elementor-size-default">Dental Surface Roughness Measurement and Full 3D Tooth Topography</h1>				</div>
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					<h2 class="elementor-heading-title elementor-size-default">Surface Roughness Analysis Using Non-Contact Optical Profilometry</h2>				</div>
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															<img loading="lazy" decoding="async" width="1024" height="307" src="https://nanovea.com/wp-content/uploads/2026/03/dental-surface-roughness-measurement-3d-optical-profilometer.jpg" class="attachment-large size-large wp-image-26092" alt="Dental surface roughness measurement and 3D molar reconstruction using optical profilometry" />															</div>
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					<p class="elementor-heading-title elementor-size-default">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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									<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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							<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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									<div class="measurement-table-wrapper"><table class="measurement-table"><thead><tr><th>Parameter</th><th>Roughness Analysis (Area)</th><th>Roughness Analysis (Profiles)</th><th>Full 3D Reconstruction</th></tr></thead><tbody><tr><td>Optical Pen</td><td>PS2-MG140</td><td>PS2-MG140</td><td>PS5-MG35</td></tr><tr><td>Z-Range [µm]</td><td>300</td><td>300</td><td>10000</td></tr><tr><td>X-Distance [mm]</td><td>2.00</td><td>3.00</td><td>7.50</td></tr><tr><td>X-Step Size [µm]</td><td>1.70</td><td>1.70</td><td>10.00</td></tr><tr><td>Y-Distance [mm]</td><td>2.00</td><td>1.00</td><td>7.00</td></tr><tr><td>Y-Step Size [µm]</td><td>1.70</td><td>100.00</td><td>10.00</td></tr><tr><td>Average (Avg)</td><td>1</td><td>1</td><td>1</td></tr><tr><td>Measurement Type</td><td>Direct</td><td>Direct</td><td>Direct</td></tr><tr><td>Acquisition Mode</td><td>Single Frequency</td><td>Single Frequency</td><td>Double Frequency</td></tr><tr><td>Acquisition Rate [Hz]</td><td>200</td><td>200</td><td>100–400</td></tr><tr><td>Light Intensity [%]</td><td>100</td><td>100</td><td>100</td></tr></tbody></table></div>								</div>
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					<h2 class="elementor-heading-title elementor-size-default">Optical Profilometry Results</h2>				</div>
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					<h3 class="elementor-heading-title elementor-size-default">Surface Roughness Analysis (Area)</h3>				</div>
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									<p data-start="548" data-end="837">The PS2 single-point optical sensor was used to investigate fine surface features on the side of the tooth. The image below shows a false-color 2D surface map of the scanned region obtained by non-contact optical profilometry.</p>								</div>
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															<img loading="lazy" decoding="async" width="1162" height="906" src="https://nanovea.com/wp-content/uploads/2026/03/tooth-scanned-region-2d-height-map.jpg" class="attachment-full size-full wp-image-26127" alt="False-color 2D height map of scanned tooth surface region" />															</div>
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									<p data-start="548" data-end="837">A least-squares degree-8 polynomial form removal was applied to isolate the surface roughness component. The roughness filters S-Gaussian 2.5 µm and L-Gaussian 0.8 mm were then applied according to ISO 25178. The resulting filtered surface and corresponding roughness parameters are presented below.</p>								</div>
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				<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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					<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="elementor-element elementor-element-7829cdd elementor-widget elementor-widget-text-editor" data-id="7829cdd" data-element_type="widget" data-widget_type="text-editor.default">
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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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				<section class="elementor-section elementor-top-section elementor-element elementor-element-683f81e elementor-section-boxed elementor-section-height-default elementor-section-height-default" data-id="683f81e" data-element_type="section">
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					<h2 class="elementor-heading-title elementor-size-default">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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<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">
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						<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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					<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><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>
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										<content:encoded><![CDATA[<div data-elementor-type="wp-post" data-elementor-id="23049" class="elementor elementor-23049" data-elementor-post-type="post">
						<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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									<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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<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>Cartographie de l'usure progressive des revêtements de sol à l'aide d'un tribomètre</title>
		<link>https://nanovea.com/fr/cartographie-de-lusure-progressive-des-revetements-de-sol-a-laide-du-tribometre/?utm_source=rss&#038;utm_medium=rss&#038;utm_campaign=progressive-wear-mapping-of-flooring-using-tribometer</link>
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		<dc:creator><![CDATA[nanovea]]></dc:creator>
		<pubdate>mar. 06 juin 2023 15:51:48 +0000</pubdate>
				<category><![CDATA[Application Notes]]></category>
		<category><![CDATA[Laboratory Testing]]></category>
		<category><![CDATA[Profilometry | Volume and Area]]></category>
		<category><![CDATA[Ring on Ring Tribology]]></category>
		<category><![CDATA[Tribology Testing]]></category>
		<guid ispermalink="false">https://nanovea.com/?p=22326</guid>

					<description><![CDATA[<p>Flooring Wear Testing Progressive Wear Mapping of Flooring​ using Tribometer with integrated Profilometer Prepared by FRANK LIU INTRODUCTION Flooring materials are designed to be durable, but they often suﬀer wear and tear from everyday activities such as movement and furniture use. To ensure their longevity, most types of ﬂooring have a protective wear layer that [&#8230;]</p>
<p>The post <a href="https://nanovea.com/fr/cartographie-de-lusure-progressive-des-revetements-de-sol-a-laide-du-tribometre/">Progressive Wear Mapping of Flooring using 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>
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					<h1 class="elementor-heading-title elementor-size-default">Essai d'usure des revêtements de sol</h1>				</div>
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					<h2 class="elementor-heading-title elementor-size-default">Cartographie progressive de l'usure des revêtements de sol à l'aide d'un tribomètre avec profilomètre intégré</h2>				</div>
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															<img loading="lazy" decoding="async" width="768" height="217" src="https://nanovea.com/wp-content/uploads/2023/06/Floor-QC-Progressive-Wear-Testing-on-Flooring.jpg" class="attachment-medium_large size-medium_large wp-image-22330" alt="test d&#039;usure des revêtements de sol" />															</div>
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					<h2 class="elementor-heading-title elementor-size-default">FRANK LIU</h2>				</div>
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					<h2 class="elementor-heading-title elementor-size-default">INTRODUCTION</h2>				</div>
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									<p>Les matériaux de revêtement de sol sont conçus pour être durables, mais ils subissent souvent l&#039;usure due aux activités quotidiennes telles que les déplacements et l&#039;utilisation des meubles. Pour garantir leur longévité, la plupart des types de revêtements de sol sont dotés d&#039;une couche d&#039;usure protectrice qui résiste aux dommages. Cependant, l&#039;épaisseur et la durabilité de la couche d&#039;usure varient en fonction du type de revêtement de sol et du niveau de circulation piétonnière. De plus, les différentes couches de la structure du revêtement de sol, telles que les revêtements UV, les couches décoratives et les vernis, ont des taux d&#039;usure variables. C&#039;est là qu&#039;intervient la cartographie de l&#039;usure progressive. En utilisant le tribomètre NANOVEA T2000 avec un <a style="background-color: #ffffff;" href="https://nanovea.com/profilometers/">Profilomètre 3D sans contact</a>, une surveillance et une analyse précises des performances et de la longévité des matériaux de revêtement de sol peuvent être effectuées. En fournissant des informations détaillées sur le comportement à l&#039;usure de divers matériaux de revêtement de sol, les scientifiques et les professionnels techniques peuvent prendre des décisions plus éclairées lors de la sélection et de la conception de nouveaux systèmes de revêtement de sol.</p>								</div>
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					<h3 class="elementor-heading-title elementor-size-default">IMPORTANCE DE LA CARTOGRAPHIE DE L'USURE PROGRESSIVE POUR LES PANNEAUX DE SOL</h3>				</div>
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									<p>Les essais de revêtements de sol sont traditionnellement axés sur le taux d'usure d'un échantillon pour déterminer sa résistance à l'usure. Cependant, la cartographie de l'usure progressive permet d'analyser le taux d'usure de l'échantillon tout au long du test, ce qui fournit des informations précieuses sur le comportement de l'échantillon face à l'usure. Cette analyse approfondie permet d'établir des corrélations entre les données de frottement et le taux d'usure, ce qui permet d'identifier les causes profondes de l'usure. Il convient de noter que les taux d'usure ne sont pas constants tout au long des essais d'usure. Ainsi, l'observation de la progression de l'usure donne une évaluation plus précise de l'usure de l'échantillon. Dépassant les méthodes d'essai traditionnelles, l'adoption de la cartographie de l'usure progressive a contribué à des avancées significatives dans le domaine des essais de revêtements de sol.</p>								</div>
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									<div class="group w-full text-gray-800 dark:text-gray-100 border-b border-black/10 dark:border-gray-900/50 bg-gray-50 dark:bg-[#444654]"><div class="flex p-4 gap-4 text-base md:gap-6 md:max-w-2xl lg:max-w-xl xl:max-w-3xl md:py-6 lg:px-0 m-auto"><div class="relative flex w-[calc(100%-50px)] flex-col gap-1 md:gap-3 lg:w-[calc(100%-115px)]"><div class="flex flex-grow flex-col gap-3"><div class="min-h-[20px] flex flex-col items-start gap-4 whitespace-pre-wrap break-words"><div class="markdown prose w-full break-words dark:prose-invert light"><p>Le tribomètre NANOVEA T2000 avec profilomètre 3D sans contact intégré est une solution révolutionnaire pour les tests d&#039;usure et les mesures de perte de volume. Sa capacité à se déplacer avec précision entre la goupille et le profilomètre garantit la fiabilité des résultats en éliminant tout écart de rayon ou d&#039;emplacement des traces d&#039;usure. Mais ce n&#039;est pas tout : les capacités avancées du profilomètre 3D sans contact permettent des mesures de surface à grande vitesse, réduisant le temps de numérisation à quelques secondes seulement. Avec la capacité d&#039;appliquer des charges allant jusqu&#039;à 2 000 N et d&#039;atteindre des vitesses d&#039;essorage allant jusqu&#039;à 5 000 tr/min, le NANOVEA T2000 <a href="https://nanovea.com/tribometers/">Tribomètre</a> offre polyvalence et précision dans le processus d’évaluation. Il est clair que cet équipement joue un rôle essentiel dans la cartographie de l&#039;usure progressive.</p></div></div></div><div class="flex justify-between lg:block"><div class="text-gray-400 flex self-end lg:self-center justify-center mt-2 gap-2 md:gap-3 lg:gap-1 lg:absolute lg:top-0 lg:translate-x-full lg:right-0 lg:mt-0 lg:pl-2 visible"> </div></div></div></div></div>								</div>
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															<img loading="lazy" decoding="async" width="555" height="448" src="https://nanovea.com/wp-content/uploads/2023/06/Wear-Testing-Sample-Setup.jpg" class="attachment-large size-large wp-image-22347" alt="Essai d&#039;usure des revêtements de sol à l&#039;aide d&#039;un tribomètre" />															</div>
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															<img loading="lazy" decoding="async" width="458" height="446" src="https://nanovea.com/wp-content/uploads/2023/06/Post-wear-test-wear-track-profilometry.jpg" class="attachment-large size-large wp-image-22333" alt="Essai d&#039;usure des revêtements de sol à l&#039;aide d&#039;un profilomètre" />															</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;"> Montage de l'échantillon avant l'essai d'usure
(à gauche) et profilométrie de la piste d'usure après l'essai d'usure (à droite).</span></p>								</div>
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					<h2 class="elementor-heading-title elementor-size-default">OBJECTIF DE MESURE</h2>				</div>
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									<p>Des tests de cartographie d'usure progressive ont été réalisés sur deux types de revêtements de sol : la pierre et le bois. Chaque échantillon a subi un total de 7 cycles de test, avec des durées de test croissantes de 2, 4, 8, 20, 40, 60 et 120 s, permettant une comparaison de l'usure dans le temps. Après chaque cycle d'essai, la piste d'usure a été profilée à l'aide du profilomètre sans contact NANOVEA 3D. À partir des données recueillies par le profileur, le volume du trou et le taux d'usure peuvent être analysés à l'aide des fonctions intégrées dans le logiciel NANOVEA Tribometer ou dans notre logiciel d'analyse de surface, Mountains.</p>								</div>
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									<p style="text-align: center; font-size: 20pt; color: black;">NANOVEA <span style="font-size: 20pt; color: #1b96cf;">T2000 Haute charge</span><br />Tribomètre pneumatique</p>								</div>
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									<span class="elementor-button-text">TÉLÉCHARGER LA BROCHURE</span>
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									<span class="elementor-button-text">OBTENIR UN DEVIS</span>
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																<a href="https://nanovea.com/instruments/t2000/">
							<img loading="lazy" decoding="async" width="591" height="579" src="https://nanovea.com/wp-content/uploads/2022/06/NANOVEA-Tribometer-T2000.png" class="elementor-animation-grow attachment-medium_large size-medium_large wp-image-20089" alt="Tribomètre pneumatique à haute charge NANOVEA T2000" />								</a>
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					<h2 class="elementor-heading-title elementor-size-default">LES ÉCHANTILLONS</h2>				</div>
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															<img loading="lazy" decoding="async" width="458" height="456" src="https://nanovea.com/wp-content/uploads/2023/06/Wood-Floor-and-Stone-Flooring-Wear-Test.jpg" class="attachment-medium_large size-medium_large wp-image-22348" alt="échantillons de test de cartographie d&#039;usure pour le bois et la pierre" />															</div>
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					<h2 class="elementor-heading-title elementor-size-default">PARAMÈTRES DE L'ESSAI DE CARTOGRAPHIE DE L'USURE</h2>				</div>
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									<table style="border-collapse: collapse; width: 102.375%;"><tbody><tr><td style="width: 50%; text-align: left;"><em><strong style="color: #1b96cf;">CHARGE</strong></em></td><td style="width: 52.497%; text-align: right;"><em><strong>40 N</strong></em></td></tr><tr><td style="width: 50%; text-align: left;"><em><strong style="color: #1b96cf;">DURÉE DU TEST</strong></em></td><td style="width: 52.497%; text-align: right;"><em><strong>varie</strong></em></td></tr><tr><td style="width: 50%; text-align: left;"><em><strong style="color: #1b96cf;">VITESSE</strong></em></td><td style="width: 52.497%; text-align: right;"><em><strong>200 tr/min</strong></em></td></tr><tr><td style="width: 50%; text-align: left;"><em><strong style="color: #1b96cf;">RADIUS</strong></em></td><td style="width: 52.497%; text-align: right;"><em><strong>10 mm</strong></em></td></tr><tr><td style="width: 50%; text-align: left;"><em><strong style="color: #1b96cf;">DISTANCE</strong></em></td><td style="width: 52.497%; text-align: right;"><em><strong>varie</strong></em></td></tr><tr><td style="width: 50%; text-align: left;"><em><strong style="color: #1b96cf;">MATÉRIAU DE LA BOULE</strong></em></td><td style="width: 52.497%; text-align: right;"><em><strong>Carbure de tungstène</strong></em></td></tr><tr><td style="width: 50%; text-align: left;"><em><strong style="color: #1b96cf;">DIAMÈTRE DE LA BOULE</strong></em></td><td style="width: 52.497%; text-align: right;"><em><strong>10 mm</strong></em></td></tr></tbody></table>								</div>
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									<p style="text-align: center;">Les durées d'essai utilisées au cours des 7 cycles étaient les suivantes <span class="fontstyle0" style="color: #1b96cf;">2, 4, 8, 20, 40, 60 et 120 secondes</span>respectivement.
Les distances parcourues étaient les suivantes <span class="fontstyle0" style="color: #1b96cf;">0,40, 0,81, 1,66, 4,16, 8,36, 12,55 et 25,11 mètres.</span></p>								</div>
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				<section class="elementor-section elementor-top-section elementor-element elementor-element-f562115 elementor-section-boxed elementor-section-height-default elementor-section-height-default" data-id="f562115" data-element_type="section">
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					<h2 class="elementor-heading-title elementor-size-default">RÉSULTATS DE LA CARTOGRAPHIE DE L'USURE</h2>				</div>
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					<h2 class="elementor-heading-title elementor-size-default">Parquet</h2>				</div>
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									<table style="border-collapse: collapse; width: 90.0426%; height: 216px;"><tbody><tr style="height: 48px;"><td style="width: 20%; height: 48px;"><b><i>Cycle d'essai</i></b></td><td style="width: 20%; height: 48px;"><b><i>Max COF</i></b></td><td style="width: 20%; height: 48px;"><b><i>Min COF</i></b></td><td style="width: 20%; height: 48px;"><b><i>Avg. COF</i></b></td></tr><tr style="height: 24px;"><td style="width: 20%; height: 24px;">1</td><td style="width: 20%; height: 24px;">0.335</td><td style="width: 20%; height: 24px;">0.124</td><td style="width: 20%; height: 24px;">0.275</td></tr><tr style="height: 24px;"><td style="width: 20%; height: 24px;">2</td><td style="width: 20%; height: 24px;">0.337</td><td style="width: 20%; height: 24px;">0.207</td><td style="width: 20%; height: 24px;">0.295</td></tr><tr style="height: 24px;"><td style="width: 20%; height: 24px;">3</td><td style="width: 20%; height: 24px;">0.380</td><td style="width: 20%; height: 24px;">0.229</td><td style="width: 20%; height: 24px;">0.329</td></tr><tr style="height: 24px;"><td style="width: 20%; height: 24px;">4</td><td style="width: 20%; height: 24px;">0.393</td><td style="width: 20%; height: 24px;">0.265</td><td style="width: 20%; height: 24px;">0.354</td></tr><tr style="height: 24px;"><td style="width: 20%; height: 24px;">5</td><td style="width: 20%; height: 24px;">0.352</td><td style="width: 20%; height: 24px;">0.205</td><td style="width: 20%; height: 24px;">0.314</td></tr><tr style="height: 24px;"><td style="width: 20%; height: 24px;">6</td><td style="width: 20%; height: 24px;">0.345</td><td style="width: 20%; height: 24px;">0.199</td><td style="width: 20%; height: 24px;">0.312</td></tr><tr style="height: 24px;"><td style="width: 20%; height: 24px;">7</td><td style="width: 20%; height: 24px;">0.315</td><td style="width: 20%; height: 24px;">0.211</td><td style="width: 20%; height: 24px;">0.293</td></tr></tbody></table><p><em><strong style="color: #1b96cf;"> </strong></em></p><p><em><strong style="color: #1b96cf;">ORIENTATION RADIALE</strong></em></p><table style="border-collapse: collapse; width: 98.7212%; height: 270px;"><tbody><tr style="height: 102px;"><td style="width: 20%; height: 102px;"><b><i>Cycle d'essai</i></b></td><td style="width: 20%; height: 102px;"><b><i>Perte totale de volume (µm3)</i></b></td><td style="width: 20%; height: 102px;"><b><i>Distance totale<br />Parcouru (m)</i></b></td><td style="width: 19.723%; height: 102px;"><b><i>Taux d'usure<br />(mm/Nm) x10<sup>-5</sup></i></b></td><td style="width: 19.3314%; height: 102px;"><b><i>Taux d'usure instantané<br />(mm/Nm) x10<sup>-5</sup></i></b></td></tr><tr style="height: 24px;"><td style="width: 20%; height: 24px;">1</td><td style="width: 20%; height: 24px;">296247687</td><td style="width: 20%; height: 24px;">0.40</td><td style="width: 19.723%; height: 24px;">1833.746</td><td style="width: 19.3314%; height: 24px;">1833.746</td></tr><tr style="height: 24px;"><td style="width: 20%; height: 24px;">2</td><td style="width: 20%; height: 24px;">355245227</td><td style="width: 20%; height: 24px;">1.22</td><td style="width: 19.723%; height: 24px;">1093.260</td><td style="width: 19.3314%; height: 24px;">181.5637</td></tr><tr style="height: 24px;"><td style="width: 20%; height: 24px;">3</td><td style="width: 20%; height: 24px;">596371326</td><td style="width: 20%; height: 24px;">2.88</td><td style="width: 19.723%; height: 24px;">898.242</td><td style="width: 19.3314%; height: 24px;">363.1791</td></tr><tr style="height: 24px;"><td style="width: 20%; height: 24px;">4</td><td style="width: 20%; height: 24px;">883747767</td><td style="width: 20%; height: 24px;">7.04</td><td style="width: 19.723%; height: 24px;">530.629</td><td style="width: 19.3314%; height: 24px;">172.5496</td></tr><tr style="height: 24px;"><td style="width: 20%; height: 24px;">5</td><td style="width: 20%; height: 24px;">1207179951</td><td style="width: 20%; height: 24px;">15.40</td><td style="width: 19.723%; height: 24px;">360.889</td><td style="width: 19.3314%; height: 24px;">96.69074</td></tr><tr style="height: 24px;"><td style="width: 20%; height: 24px;">6</td><td style="width: 20%; height: 24px;">1472745318</td><td style="width: 20%; height: 24px;">27.95</td><td style="width: 19.723%; height: 24px;">293.329</td><td style="width: 19.3314%; height: 24px;">52.89311</td></tr><tr style="height: 24px;"><td style="width: 20%; height: 24px;">7</td><td style="width: 20%; height: 24px;">1851319210</td><td style="width: 20%; height: 24px;">53.06</td><td style="width: 19.723%; height: 24px;">184.343</td><td style="width: 19.3314%; height: 24px;">37.69599</td></tr></tbody></table>								</div>
				</div>
				<section class="elementor-section elementor-inner-section elementor-element elementor-element-641ab11 elementor-section-boxed elementor-section-height-default elementor-section-height-default" data-id="641ab11" data-element_type="section">
						<div class="elementor-container elementor-column-gap-default">
					<div class="elementor-column elementor-col-50 elementor-inner-column elementor-element elementor-element-bad4df2" data-id="bad4df2" data-element_type="column">
			<div class="elementor-widget-wrap elementor-element-populated">
						<div class="elementor-element elementor-element-fb0c784 elementor-widget elementor-widget-image" data-id="fb0c784" data-element_type="widget" data-widget_type="image.default">
				<div class="elementor-widget-container">
															<img loading="lazy" decoding="async" width="619" height="403" src="https://nanovea.com/wp-content/uploads/2023/06/Progressive-Tribology-Mapping-of-Flooring-21.jpg" class="attachment-large size-large wp-image-22334" alt="taux d&#039;usure progressive du bois par rapport à la distance totale" />															</div>
				</div>
					</div>
		</div>
				<div class="elementor-column elementor-col-50 elementor-inner-column elementor-element elementor-element-af91e9d" data-id="af91e9d" data-element_type="column">
			<div class="elementor-widget-wrap elementor-element-populated">
						<div class="elementor-element elementor-element-dfb76d1 elementor-widget elementor-widget-image" data-id="dfb76d1" data-element_type="widget" data-widget_type="image.default">
				<div class="elementor-widget-container">
															<img loading="lazy" decoding="async" width="619" height="403" src="https://nanovea.com/wp-content/uploads/2023/06/Wood-Floor-Wear-Rate.jpg" class="attachment-large size-large wp-image-22350" alt="Taux d&#039;usure des planchers en bois" />															</div>
				</div>
					</div>
		</div>
					</div>
		</section>
				<div class="elementor-element elementor-element-143a125 elementor-widget elementor-widget-text-editor" data-id="143a125" data-element_type="widget" data-widget_type="text-editor.default">
				<div class="elementor-widget-container">
									<p style="text-align: center;"><span class="fontstyle0" style="color: #1b96cf;">FIGURE 2 :</span><span class="fontstyle0" style="color: #000000;"> Taux d'usure en fonction de la distance totale parcourue (gauche)<br />et taux d'usure instantanée en fonction du cycle d'essai (à droite) pour les revêtements de sol en bois.</span></p>								</div>
				</div>
				<section class="elementor-section elementor-inner-section elementor-element elementor-element-d103b46 elementor-section-boxed elementor-section-height-default elementor-section-height-default" data-id="d103b46" data-element_type="section">
						<div class="elementor-container elementor-column-gap-default">
					<div class="elementor-column elementor-col-50 elementor-inner-column elementor-element elementor-element-3a5b214" data-id="3a5b214" data-element_type="column">
			<div class="elementor-widget-wrap elementor-element-populated">
						<div class="elementor-element elementor-element-6ff3d30 elementor-widget elementor-widget-image" data-id="6ff3d30" data-element_type="widget" data-widget_type="image.default">
				<div class="elementor-widget-container">
															<img loading="lazy" decoding="async" width="595" height="347" src="https://nanovea.com/wp-content/uploads/2023/06/Wood-Flooring-Wear-Test-COF.jpg" class="attachment-large size-large wp-image-22352" alt="Essai du coefficient de frottement des revêtements de sol" />															</div>
				</div>
					</div>
		</div>
				<div class="elementor-column elementor-col-50 elementor-inner-column elementor-element elementor-element-1cdc909" data-id="1cdc909" data-element_type="column">
			<div class="elementor-widget-wrap elementor-element-populated">
						<div class="elementor-element elementor-element-d57ad14 elementor-widget elementor-widget-image" data-id="d57ad14" data-element_type="widget" data-widget_type="image.default">
				<div class="elementor-widget-container">
															<img loading="lazy" decoding="async" width="585" height="387" src="https://nanovea.com/wp-content/uploads/2023/06/Wood-Floor-Wear-Track-Profilometer.jpg" class="attachment-large size-large wp-image-22351" alt="cartographie de l&#039;usure progressive des sols en bois" />															</div>
				</div>
					</div>
		</div>
					</div>
		</section>
				<div class="elementor-element elementor-element-aa3cabd elementor-widget elementor-widget-text-editor" data-id="aa3cabd" data-element_type="widget" data-widget_type="text-editor.default">
				<div class="elementor-widget-container">
									<p style="text-align: center;"><span class="fontstyle0" style="color: #1b96cf;">FIGURE 3 :</span><span class="fontstyle0" style="color: #000000;"> Graphique COF et vue 3D de la trace d'usure de l'essai #7 sur un revêtement de sol en bois.</span></p>								</div>
				</div>
				<div class="elementor-element elementor-element-89ac0ae elementor-widget elementor-widget-image" data-id="89ac0ae" data-element_type="widget" data-widget_type="image.default">
				<div class="elementor-widget-container">
															<img loading="lazy" decoding="async" width="1024" height="172" src="https://nanovea.com/wp-content/uploads/2023/06/Wood-Floor-QC-Tribometer.jpg" class="attachment-large size-large wp-image-22349" alt="cartographie de l&#039;usure profil extrait" />															</div>
				</div>
				<div class="elementor-element elementor-element-192e2cf elementor-widget elementor-widget-image" data-id="192e2cf" data-element_type="widget" data-widget_type="image.default">
				<div class="elementor-widget-container">
															<img loading="lazy" decoding="async" width="1024" height="274" src="https://nanovea.com/wp-content/uploads/2023/06/Wood-Flooring-Wear-Tester.jpg" class="attachment-large size-large wp-image-22329" alt="résultats des essais d&#039;usure des revêtements de sol" />															</div>
				</div>
				<div class="elementor-element elementor-element-7ca0504 elementor-widget elementor-widget-image" data-id="7ca0504" data-element_type="widget" data-widget_type="image.default">
				<div class="elementor-widget-container">
															<img loading="lazy" decoding="async" width="1024" height="305" src="https://nanovea.com/wp-content/uploads/2023/06/Progressive-Tribology-Mapping-of-Flooring-27.jpg" class="attachment-large size-large wp-image-22335" alt="caractérisation de la surface du revêtement de sol" />															</div>
				</div>
				<div class="elementor-element elementor-element-56fb15b elementor-widget elementor-widget-text-editor" data-id="56fb15b" data-element_type="widget" data-widget_type="text-editor.default">
				<div class="elementor-widget-container">
									<p style="text-align: center;"><span class="fontstyle0" style="color: #1b96cf;">FIGURE 4 :</span><span class="fontstyle0" style="color: #000000;"> Analyse transversale de la piste d'usure en bois de l'essai #7</span></p>								</div>
				</div>
				<div class="elementor-element elementor-element-3a5f744 elementor-widget elementor-widget-image" data-id="3a5f744" data-element_type="widget" data-widget_type="image.default">
				<div class="elementor-widget-container">
															<img loading="lazy" decoding="async" width="794" height="910" src="https://nanovea.com/wp-content/uploads/2023/06/Stone-Floor-Wear-Test-Volume-and-Area-Analysis.jpg" class="attachment-large size-large wp-image-22342" alt="cartographie de l&#039;usure progressive analyse du volume et de la surface" />															</div>
				</div>
				<div class="elementor-element elementor-element-7a3d760 elementor-widget elementor-widget-text-editor" data-id="7a3d760" data-element_type="widget" data-widget_type="text-editor.default">
				<div class="elementor-widget-container">
									<p style="text-align: center;"><span class="fontstyle0" style="color: #1b96cf;">FIGURE 5 :</span><span class="fontstyle0" style="color: #000000;"> Analyse du volume et de la surface de la trace d'usure sur l'échantillon de bois Test #7.</span></p>								</div>
				</div>
				<div class="elementor-element elementor-element-dc3da62 elementor-widget elementor-widget-text-editor" data-id="dc3da62" data-element_type="widget" data-widget_type="text-editor.default">
				<div class="elementor-widget-container">
									<p style="text-align: center;">
  <a href="https://www.youtube.com/watch?v=iZ8zyF9MD5M">
    <span style="color: #1b96cf; font-size: 1.5em;">Pour connaître tous les résultats, cliquez ici.</span>
  </a>
</p>
								</div>
				</div>
					</div>
		</div>
					</div>
		</section>
				<section class="elementor-section elementor-top-section elementor-element elementor-element-1df9a23 elementor-section-boxed elementor-section-height-default elementor-section-height-default" data-id="1df9a23" data-element_type="section">
						<div class="elementor-container elementor-column-gap-no">
					<div class="elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-971dc5c" data-id="971dc5c" data-element_type="column">
			<div class="elementor-widget-wrap elementor-element-populated">
						<div class="elementor-element elementor-element-c91d508 elementor-widget elementor-widget-heading" data-id="c91d508" data-element_type="widget" data-widget_type="heading.default">
				<div class="elementor-widget-container">
					<h2 class="elementor-heading-title elementor-size-default">RÉSULTATS DE LA CARTOGRAPHIE DE L'USURE</h2>				</div>
				</div>
				<div class="elementor-element elementor-element-eb8bfd6 elementor-widget elementor-widget-heading" data-id="eb8bfd6" data-element_type="widget" data-widget_type="heading.default">
				<div class="elementor-widget-container">
					<h2 class="elementor-heading-title elementor-size-default">Sol en pierre</h2>				</div>
				</div>
				<div class="elementor-element elementor-element-d6db219 elementor-widget elementor-widget-text-editor" data-id="d6db219" data-element_type="widget" data-widget_type="text-editor.default">
				<div class="elementor-widget-container">
									<table style="border-collapse: collapse; width: 90.0426%; height: 216px;"><tbody><tr style="height: 48px;"><td style="width: 20%; height: 48px;"><b><i>Cycle d'essai</i></b></td><td style="width: 20%; height: 48px;"><b><i>Max COF</i></b></td><td style="width: 20%; height: 48px;"><b><i>Min COF</i></b></td><td style="width: 20%; height: 48px;"><b><i>Avg. COF</i></b></td></tr><tr style="height: 24px;"><td style="width: 20%; height: 24px;">1</td><td style="width: 20%; height: 24px;">0.249</td><td style="width: 20%; height: 24px;">0.035</td><td style="width: 20%; height: 24px;">0.186</td></tr><tr style="height: 24px;"><td style="width: 20%; height: 24px;">2</td><td style="width: 20%; height: 24px;">0.349</td><td style="width: 20%; height: 24px;">0.197</td><td style="width: 20%; height: 24px;">0.275</td></tr><tr style="height: 24px;"><td style="width: 20%; height: 24px;">3</td><td style="width: 20%; height: 24px;">0.294</td><td style="width: 20%; height: 24px;">0.154</td><td style="width: 20%; height: 24px;">0.221</td></tr><tr style="height: 24px;"><td style="width: 20%; height: 24px;">4</td><td style="width: 20%; height: 24px;">0.503</td><td style="width: 20%; height: 24px;">0.124</td><td style="width: 20%; height: 24px;">0.273</td></tr><tr style="height: 24px;"><td style="width: 20%; height: 24px;">5</td><td style="width: 20%; height: 24px;">0.548</td><td style="width: 20%; height: 24px;">0.106</td><td style="width: 20%; height: 24px;">0.390</td></tr><tr style="height: 24px;"><td style="width: 20%; height: 24px;">6</td><td style="width: 20%; height: 24px;">0.510</td><td style="width: 20%; height: 24px;">0.129</td><td style="width: 20%; height: 24px;">0.434</td></tr><tr style="height: 24px;"><td style="width: 20%; height: 24px;">7</td><td style="width: 20%; height: 24px;">0.527</td><td style="width: 20%; height: 24px;">0.181</td><td style="width: 20%; height: 24px;">0.472</td></tr></tbody></table><p><em><strong style="color: #1b96cf;"> </strong></em></p><p><em><strong style="color: #1b96cf;">ORIENTATION RADIALE</strong></em></p><table style="border-collapse: collapse; width: 98.7212%; height: 270px;"><tbody><tr style="height: 102px;"><td style="width: 20%; height: 102px;"><b><i>Cycle d'essai</i></b></td><td style="width: 20%; height: 102px;"><b><i>Perte totale de volume (µm3)</i></b></td><td style="width: 20%; height: 102px;"><b><i>Distance totale<br />Parcouru (m)</i></b></td><td style="width: 19.723%; height: 102px;"><b><i>Taux d'usure<br />(mm/Nm) x10<sup>-5</sup></i></b></td><td style="width: 19.3314%; height: 102px;"><b><i>Taux d'usure instantané<br />(mm/Nm) x10<sup>-5</sup></i></b></td></tr><tr style="height: 24px;"><td style="width: 20%; height: 24px;">1</td><td style="width: 20%; height: 24px;">96278846</td><td style="width: 20%; height: 24px;">0.40</td><td style="width: 19.723%; height: 24px;">595.957</td><td style="width: 19.3314%; height: 24px;">595.9573</td></tr><tr style="height: 24px;"><td style="width: 20%; height: 24px;">2</td><td style="width: 20%; height: 24px;">804289731</td><td style="width: 20%; height: 24px;">1.22</td><td style="width: 19.723%; height: 24px;">2475.185</td><td style="width: 19.3314%; height: 24px;">2178.889</td></tr><tr style="height: 24px;"><td style="width: 20%; height: 24px;">3</td><td style="width: 20%; height: 24px;">1316147855</td><td style="width: 20%; height: 24px;">2.88</td><td style="width: 19.723%; height: 24px;">1982.355</td><td style="width: 19.3314%; height: 24px;">770.9501</td></tr><tr style="height: 24px;"><td style="width: 20%; height: 24px;">4</td><td style="width: 20%; height: 24px;">3136530215</td><td style="width: 20%; height: 24px;">7.04</td><td style="width: 19.723%; height: 24px;">1883.269</td><td style="width: 19.3314%; height: 24px;">1093.013</td></tr><tr style="height: 24px;"><td style="width: 20%; height: 24px;">5</td><td style="width: 20%; height: 24px;">10821732180</td><td style="width: 20%; height: 24px;">15.40</td><td style="width: 19.723%; height: 24px;">3235.180</td><td style="width: 19.3314%; height: 24px;">2297.508</td></tr><tr style="height: 24px;"><td style="width: 20%; height: 24px;">6</td><td style="width: 20%; height: 24px;">20174960343</td><td style="width: 20%; height: 24px;">27.95</td><td style="width: 19.723%; height: 24px;">4018.282</td><td style="width: 19.3314%; height: 24px;">1862.899</td></tr><tr style="height: 24px;"><td style="width: 20%; height: 24px;">7</td><td style="width: 20%; height: 24px;">42512063420</td><td style="width: 20%; height: 24px;">53.06</td><td style="width: 19.723%; height: 24px;">4233.081</td><td style="width: 19.3314%; height: 24px;">2224.187</td></tr></tbody></table>								</div>
				</div>
				<section class="elementor-section elementor-inner-section elementor-element elementor-element-636f9cc elementor-section-boxed elementor-section-height-default elementor-section-height-default" data-id="636f9cc" data-element_type="section">
						<div class="elementor-container elementor-column-gap-default">
					<div class="elementor-column elementor-col-50 elementor-inner-column elementor-element elementor-element-a9b8323" data-id="a9b8323" data-element_type="column">
			<div class="elementor-widget-wrap elementor-element-populated">
						<div class="elementor-element elementor-element-300085f elementor-widget elementor-widget-image" data-id="300085f" data-element_type="widget" data-widget_type="image.default">
				<div class="elementor-widget-container">
															<img loading="lazy" decoding="async" width="608" height="401" src="https://nanovea.com/wp-content/uploads/2023/06/Stone-Flooring-Wear-Rate.jpg" class="attachment-large size-large wp-image-22345" alt="taux d&#039;usure des revêtements de sol en pierre par rapport à la distance" />															</div>
				</div>
					</div>
		</div>
				<div class="elementor-column elementor-col-50 elementor-inner-column elementor-element elementor-element-00f4773" data-id="00f4773" data-element_type="column">
			<div class="elementor-widget-wrap elementor-element-populated">
						<div class="elementor-element elementor-element-83b9896 elementor-widget elementor-widget-image" data-id="83b9896" data-element_type="widget" data-widget_type="image.default">
				<div class="elementor-widget-container">
															<img loading="lazy" decoding="async" width="606" height="401" src="https://nanovea.com/wp-content/uploads/2023/06/Stone-Floor-Wear-Rate-Test.jpg" class="attachment-large size-large wp-image-22341" alt="tableau du taux d&#039;usure instantanée des revêtements de sol en pierre" />															</div>
				</div>
					</div>
		</div>
					</div>
		</section>
				<div class="elementor-element elementor-element-402cd58 elementor-widget elementor-widget-text-editor" data-id="402cd58" data-element_type="widget" data-widget_type="text-editor.default">
				<div class="elementor-widget-container">
									<p style="text-align: center;"><span class="fontstyle0" style="color: #1b96cf;">FIGURE 6 :</span><span class="fontstyle0" style="color: #000000;"> Taux d'usure en fonction de la distance totale parcourue (gauche)<br />et taux d'usure instantané en fonction du cycle d'essai (à droite) pour un revêtement de sol en pierre.</span></p>								</div>
				</div>
				<section class="elementor-section elementor-inner-section elementor-element elementor-element-98a260b elementor-section-boxed elementor-section-height-default elementor-section-height-default" data-id="98a260b" data-element_type="section">
						<div class="elementor-container elementor-column-gap-default">
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															<img loading="lazy" decoding="async" width="579" height="325" src="https://nanovea.com/wp-content/uploads/2023/06/Stone-Flooring-Wear-Test-COF.jpg" class="attachment-large size-large wp-image-22346" alt="Essais tribologiques sur l&#039;usure des revêtements de sol" />															</div>
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															<img loading="lazy" decoding="async" width="590" height="397" src="https://nanovea.com/wp-content/uploads/2023/06/Stone-Floor-QC-Wear-Track.jpg" class="attachment-large size-large wp-image-22340" alt="sol en pierre profil 3d de la piste d&#039;usure" />															</div>
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									<p style="text-align: center;"><span class="fontstyle0" style="color: #1b96cf;">FIGURE 7 :</span><span class="fontstyle0" style="color: #000000;"> Graphique COF et vue 3D de la piste d'usure de l'essai #7 sur un revêtement de sol en pierre.</span></p>								</div>
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															<img loading="lazy" decoding="async" width="1024" height="214" src="https://nanovea.com/wp-content/uploads/2023/06/Stone-Floor-Wear-Tester.jpg" class="attachment-large size-large wp-image-22343" alt="profil extrait de la cartographie de l&#039;usure progressive du sol en pierre" />															</div>
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															<img loading="lazy" decoding="async" width="1024" height="277" src="https://nanovea.com/wp-content/uploads/2023/06/Stone-Flooring-QC-Testing.jpg" class="attachment-large size-large wp-image-22344" alt="revêtement de sol en pierre profil extrait profondeur et hauteur maximales surface du trou et du sommet" />															</div>
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															<img loading="lazy" decoding="async" width="1024" height="306" src="https://nanovea.com/wp-content/uploads/2023/06/Progressive-Tribology-Mapping-of-Flooring-35.jpg" class="attachment-large size-large wp-image-22336" alt="Essais tribologiques sur les revêtements de sol" />															</div>
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									<p style="text-align: center;"><span class="fontstyle0" style="color: #1b96cf;">FIGURE 8 :</span><span class="fontstyle0" style="color: #000000;"> Analyse transversale de la piste d'usure en pierre de l'essai #7.</span></p>								</div>
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															<img loading="lazy" decoding="async" width="824" height="929" src="https://nanovea.com/wp-content/uploads/2023/06/Progressive-Tribology-Mapping-of-Flooring-36.jpg" class="attachment-large size-large wp-image-22337" alt="analyse du volume de la cartographie de l&#039;usure progressive des sols en bois" />															</div>
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									<p style="text-align: center;"><span class="fontstyle0" style="color: #1b96cf;">FIGURE 9 :</span><span class="fontstyle0" style="color: #000000;"> Analyse du volume et de la surface des traces d'usure sur l'échantillon de pierre #7.</span></p>								</div>
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									<p style="text-align: center;"><a href="https://www.youtube.com/watch?v=3VW3AtMbzls"><br /><span style="color: #1b96cf; font-size: 1.5em;">Pour connaître tous les résultats, cliquez ici.</span><br /></a></p>								</div>
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					<h2 class="elementor-heading-title elementor-size-default">DISCUSSION</h2>				</div>
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									Le taux d'usure instantané est calculé à l'aide de l'équation suivante :
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															<img loading="lazy" decoding="async" width="150" height="44" src="https://nanovea.com/wp-content/uploads/2023/06/Progressive-Tribology-Mapping-of-Flooring-37.jpg" class="attachment-thumbnail size-thumbnail wp-image-22338" alt="cartographie de l&#039;usure progressive de la formule de revêtement de sol" />															</div>
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									<p>Où V est le volume d'un trou, N est la charge et X est la distance totale, cette équation décrit le taux d'usure entre les cycles d'essai. Le taux d'usure instantané peut être utilisé pour mieux identifier les changements du taux d'usure tout au long de l'essai.</p><p>Les deux échantillons ont des comportements d'usure très différents. Au fil du temps, le revêtement de sol en bois commence par présenter un taux d'usure élevé, mais diminue rapidement pour atteindre une valeur plus faible et stable. Pour le revêtement de sol en pierre, le taux d'usure semble commencer par une valeur faible et tendre vers une valeur plus élevée au fil des cycles. Le taux d'usure instantané est également peu cohérent. La raison spécifique de cette différence n'est pas certaine, mais elle peut être due à la structure des échantillons. Le revêtement de sol en pierre semble être constitué de particules lâches ressemblant à des grains, qui s'useraient différemment par rapport à la structure compacte du bois. Des tests et des recherches supplémentaires seraient nécessaires pour déterminer la cause de ce comportement d'usure.</p><p>Les données relatives au coefficient de frottement (COF) semblent correspondre au comportement d'usure observé. Le graphique du COF pour le revêtement de sol en bois semble cohérent tout au long des cycles, complétant son taux d'usure régulier. Pour le revêtement de sol en pierre, le COF moyen augmente tout au long des cycles, de la même manière que le taux d'usure augmente également avec les cycles. On observe également des changements apparents dans la forme des graphiques de frottement, ce qui suggère des changements dans la manière dont la bille interagit avec l'échantillon de pierre. Ces changements sont particulièrement visibles dans les cycles 2 et 4.</p>								</div>
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									<p>Le tribomètre NANOVEA T2000 démontre sa capacité à réaliser une cartographie de l'usure progressive en analysant le taux d'usure entre deux échantillons de revêtements de sol différents. La pause du test d'usure continue et le balayage de la surface avec le profilomètre sans contact NANOVEA 3D fournissent des informations précieuses sur le comportement d'usure du matériau au fil du temps.</p><p>Le tribomètre NANOVEA T2000 avec le profilomètre 3D sans contact intégré fournit une grande variété de données, y compris les données COF (coefficient de frottement), les mesures de surface, les relevés de profondeur, la visualisation de la surface, la perte de volume, le taux d'usure, et bien plus encore. Cet ensemble complet d'informations permet aux utilisateurs de mieux comprendre les interactions entre le système et l'échantillon. Avec son chargement contrôlé, sa haute précision, sa facilité d'utilisation, son chargement élevé, sa large plage de vitesse et ses modules environnementaux supplémentaires, le tribomètre NANOVEA T2000 fait passer la tribologie au niveau supérieur.</p>								</div>
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				</div><p>The post <a href="https://nanovea.com/fr/cartographie-de-lusure-progressive-des-revetements-de-sol-a-laide-du-tribometre/">Progressive Wear Mapping of Flooring using 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>Inspection par cartographie de la rugosité à l'aide de la profilométrie 3D</title>
		<link>https://nanovea.com/fr/inspection-de-la-rugosite-de-la-cartographie-a-laide-de-la-profilometrie-3d/?utm_source=rss&#038;utm_medium=rss&#038;utm_campaign=roughness-mapping-inspection-using-3d-profilometry</link>
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		<dc:creator><![CDATA[nanovea]]></dc:creator>
		<pubdate>lun. 01 mai 2023 18:42:24 +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 | Volume and Area]]></category>
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		<guid ispermalink="false">https://nanovea.com/?p=22017</guid>

					<description><![CDATA[<p>ROUGHNESS MAPPING INSPECTION USING 3D PROFILOMETRY Prepared by DUANJIE, PhD INTRODUCTION Surface roughness and texture are critical factors that impact the final quality and performance of a product. A thorough understanding of surface roughness, texture, and consistency is essential for selecting the best processing and control measures. Fast, quantifiable, and reliable inline inspection of product [&#8230;]</p>
<p>The post <a href="https://nanovea.com/fr/inspection-de-la-rugosite-de-la-cartographie-a-laide-de-la-profilometrie-3d/">Roughness Mapping Inspection 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="22017" class="elementor elementor-22017" data-elementor-post-type="post">
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					<h1 class="elementor-heading-title elementor-size-default">INSPECTION DE LA CARTOGRAPHIE DE LA RUGOSITÉ</h1>				</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="224" src="https://nanovea.com/wp-content/uploads/2023/05/Roughness-Mapping-Profilometer-NANOVEA.jpg" class="attachment-medium_large size-medium_large wp-image-22022" 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, PhD</h2>				</div>
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					<h2 class="elementor-heading-title elementor-size-default">INTRODUCTION</h2>				</div>
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									<p>La rugosité et la texture de la surface sont des facteurs critiques qui ont un impact sur la qualité finale et les performances d'un produit. Une compréhension approfondie de la rugosité, de la texture et de la consistance de la surface est essentielle pour sélectionner les meilleures mesures de traitement et de contrôle. Une inspection en ligne rapide, quantifiable et fiable des surfaces des produits est nécessaire pour identifier à temps les produits défectueux et optimiser les conditions de la chaîne de production.</p>								</div>
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					<h2 class="elementor-heading-title elementor-size-default">IMPORTANCE DU PROFILOMETRE 3D SANS CONTACT POUR L'INSPECTION DE SURFACE EN LIGNE</h2>				</div>
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									<p>Les défauts de surface des produits résultent du traitement des matériaux et de la fabrication des produits. L&#039;inspection de la qualité des surfaces en ligne garantit le contrôle qualité le plus strict des produits finaux. NANOVÉA <a href="https://nanovea.com/profilometers/">Profileurs optiques 3D sans contact</a> utilisez la technologie Chromatic Light avec une capacité unique pour déterminer la rugosité d’un échantillon sans contact. Le capteur linéaire permet de scanner le profil 3D d&#039;une grande surface à grande vitesse. Le seuil de rugosité, calculé en temps réel par le logiciel d&#039;analyse, constitue un outil réussite/échec rapide et fiable.</p>								</div>
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									<p style="text-align: left;">OBJECTIF DE MESURE</p>								</div>
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									<p><em>Dans cette étude, le NANOVEA ST400 équipé d'un capteur à grande vitesse est utilisé pour inspecter la surface d'un échantillon de Teﬂon présentant un défaut afin de démontrer la capacité du NANOVEA</em></p><p><em>Les proﬁlomètres sans contact permettent une inspection rapide et fiable des surfaces dans une chaîne de production.</em></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">
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					<h2 class="elementor-heading-title elementor-size-default">RÉSULTATS ET DISCUSSION</h2>				</div>
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									<p style="text-align: left;"><strong><em>Analyse de surface en 3D de la </em></strong><strong style="color: var( --e-global-color-primary );"><em>Rugosité Échantillon standard</em></strong></p>								</div>
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									<p style="text-align: left;">La surface d'un étalon de rugosité a été scannée à l'aide d'un NANOVEA ST400 équipé d'un capteur à grande vitesse qui génère une ligne lumineuse de 192 points, comme le montre la FIGURE 1. Ces 192 points balayent la surface de l'échantillon en même temps, ce qui augmente considérablement la vitesse de balayage.</p>								</div>
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									<p style="text-align: left;">La FIGURE 2 montre des vues en fausses couleurs de la carte de hauteur de surface et de la carte de distribution de la rugosité de l'échantillon standard de rugosité. Dans la FIGURE 2a, l'échantillon de rugosité standard présente une surface légèrement inclinée, comme le montre le gradient de couleur varié dans chacun des blocs de rugosité standard. Dans la FIGURE 2b, la distribution homogène de la rugosité est représentée dans les différents blocs de rugosité, dont la couleur représente la rugosité dans les blocs.</p><p>La FIGURE 3 montre des exemples de cartes de réussite/échec générées par le logiciel d'analyse en fonction de différents seuils de rugosité. Les blocs de rugosité sont surlignés en rouge lorsque leur rugosité de surface est supérieure à une certaine valeur seuil. L'utilisateur dispose ainsi d'un outil lui permettant de définir un seuil de rugosité pour déterminer la qualité de l'état de surface d'un échantillon.</p>								</div>
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															<img loading="lazy" decoding="async" width="611" height="455" src="https://nanovea.com/wp-content/uploads/2023/05/Roughness-Standard-NANOVEA-Profilometer.jpg" class="attachment-large size-large wp-image-22023" 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"> Balayage du capteur de lignes optiques sur l'échantillon de l'étalon de rugosité<br /></span></span></span></p>								</div>
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									<p style="text-align: center;"><span class="fontstyle0" style="color: #1b96cf;">a.</span><span class="fontstyle0" style="color: #1b96cf;"><span style="color: #000000;"><span class="fontstyle0"> Carte des hauteurs de surface :<br /></span></span></span></p>								</div>
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															<img loading="lazy" decoding="async" width="631" height="517" src="https://nanovea.com/wp-content/uploads/2023/05/Surface-Height-Map-NANOVEA-Profilometer.jpg" class="attachment-large size-large wp-image-22024" alt="" />															</div>
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									<p style="text-align: center;"><span class="fontstyle0" style="color: #1b96cf;">b.</span><span class="fontstyle0" style="color: #1b96cf;"><span style="color: #000000;"><span class="fontstyle0"> Carte de rugosité :<br /></span></span></span></p>								</div>
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															<img loading="lazy" decoding="async" width="613" height="517" src="https://nanovea.com/wp-content/uploads/2023/05/Roughness-Map-NANOVEA-Profilom.jpg" class="attachment-large size-large wp-image-22030" alt="" />															</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;"> Vues en fausses couleurs de la carte de hauteur de surface et de la carte de distribution de la rugosité de l'échantillon standard de rugosité.</span></p>								</div>
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															<img loading="lazy" decoding="async" width="380" height="346" src="https://nanovea.com/wp-content/uploads/2023/05/In-Line-Roughness-Inspection.jpg" class="attachment-large size-large wp-image-22025" alt="" />															</div>
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															<img loading="lazy" decoding="async" width="380" height="346" src="https://nanovea.com/wp-content/uploads/2023/05/Roughness-Inspection-Profilometer.jpg" class="attachment-large size-large wp-image-22029" 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: #000000;"> Carte de réussite/échec basée sur le seuil de rugosité.</span></p>								</div>
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									<p style="text-align: left;">Inspection de la surface d'un échantillon de teﬂon présentant des défauts</p>								</div>
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									<p style="text-align: left;">La carte de hauteur de surface, la carte de distribution de la rugosité et la carte de seuil de rugosité Pass/Fail de la surface de l'échantillon de Teﬂon sont illustrées dans la FIGURE 4. L'échantillon de Teﬂon présente une crête au centre droit de l'échantillon, comme le montre la carte de la hauteur de surface.</p>								</div>
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									<p style="text-align: center;"><span class="fontstyle0" style="color: #1b96cf;">a.</span><span class="fontstyle0" style="color: #1b96cf;"><span style="color: #000000;"><span class="fontstyle0"> Carte des hauteurs de surface :<br /></span></span></span></p>								</div>
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															<img loading="lazy" decoding="async" width="473" height="253" src="https://nanovea.com/wp-content/uploads/2023/05/NANOVEA-Profilometer-Surface-Height-Map.jpg" class="attachment-large size-large wp-image-22027" alt="" />															</div>
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									<p style="text-align: left;">Les diﬀérentes couleurs de la palette de la FIGURE 4b représentent la valeur de rugosité de la surface locale. La carte de rugosité montre une rugosité homogène dans la zone intacte de l'échantillon de Teﬂon. Cependant, les défauts, sous la forme d'un anneau dentelé et d'une cicatrice d'usure, sont mis en évidence par des couleurs vives. L'utilisateur peut facilement définir un seuil de rugosité Pass/Fail pour localiser les défauts de surface, comme le montre la FIGURE 4c. Cet outil permet aux utilisateurs de contrôler in situ la qualité de la surface du produit dans la chaîne de production et de détecter à temps les produits défectueux. La valeur de rugosité en temps réel est calculée et enregistrée lorsque les produits passent devant le capteur optique en ligne, ce qui peut constituer un outil rapide mais fiable pour le contrôle de la qualité.</p>								</div>
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									<p style="text-align: center;"><span class="fontstyle0" style="color: #1b96cf;">b.</span><span class="fontstyle0" style="color: #1b96cf;"><span style="color: #000000;"><span class="fontstyle0"> Carte de rugosité :<br /></span></span></span></p>								</div>
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															<img loading="lazy" decoding="async" width="523" height="284" src="https://nanovea.com/wp-content/uploads/2023/05/NANOVEA-Profiler-Roughness-Map.jpg" class="attachment-large size-large wp-image-22026" alt="" />															</div>
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									<p style="text-align: center;"><span class="fontstyle0" style="color: #1b96cf;">c.</span><span class="fontstyle0" style="color: #1b96cf;"><span style="color: #000000;"><span class="fontstyle0"> Carte du seuil de rugosité (réussite/échec) :<br /></span></span></span></p>								</div>
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															<img loading="lazy" decoding="async" width="472" height="275" src="https://nanovea.com/wp-content/uploads/2023/05/Profilometer-Roughness-Inspection-NANOVEA.jpg" class="attachment-large size-large wp-image-22028" 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: #000000;"> Carte de hauteur de surface, carte de distribution de la rugosité, et </span><span class="fontstyle0" style="color: #000000;">Carte du seuil de rugosité (réussite/échec) de la surface de l'échantillon de Teﬂon.</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 application, nous avons montré comment le profileur optique sans contact NANOVEA ST400 3D, équipé d'un capteur de ligne optique, constitue un outil de contrôle de la qualité fiable, eﬀective et efficace.</p><p>Le capteur de ligne optique génère une ligne lumineuse de 192 points qui balayent la surface de l'échantillon en même temps, ce qui permet d'augmenter considérablement la vitesse de balayage. Il peut être installé sur la ligne de production pour contrôler la rugosité de la surface des produits in situ. Le seuil de rugosité constitue un critère fiable pour déterminer la qualité de la surface des produits, ce qui permet aux utilisateurs de détecter à temps les produits défectueux.</p><p>Les données présentées ici ne représentent qu'une partie des calculs disponibles dans le logiciel d'analyse. Les profilomètres NANOVEA mesurent pratiquement toutes les surfaces 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, la biomédecine, l'environnement et bien d'autres encore.</p>								</div>
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				</div><p>The post <a href="https://nanovea.com/fr/inspection-de-la-rugosite-de-la-cartographie-a-laide-de-la-profilometrie-3d/">Roughness Mapping Inspection 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>Inspection de la surface des soudures à l'aide d'un profilomètre 3D portable</title>
		<link>https://nanovea.com/fr/inspection-de-la-surface-des-soudures-a-laide-dun-profilometre-3d-portable/?utm_source=rss&#038;utm_medium=rss&#038;utm_campaign=weld-surface-inspection-using-a-portable-3d-profilometer</link>
					<comments>https://nanovea.com/fr/inspection-de-la-surface-des-soudures-a-laide-dun-profilometre-3d-portable/#respond</comments>
		
		<dc:creator><![CDATA[nanovea]]></dc:creator>
		<pubdate>Thu, 14 Jul 2022 15:16:39 +0000</pubdate>
				<category><![CDATA[Application Notes]]></category>
		<category><![CDATA[Laboratory Testing]]></category>
		<category><![CDATA[Profilometry | Flatness and Warpage]]></category>
		<category><![CDATA[Profilometry | Geometry and Shape]]></category>
		<category><![CDATA[Profilometry | Roughness and Finish]]></category>
		<category><![CDATA[Profilometry | Volume and Area]]></category>
		<category><![CDATA[Profilometry Testing]]></category>
		<guid ispermalink="false">https://nanovea.com/?p=21138</guid>

					<description><![CDATA[<p>WELd surface inspection using a portable 3d profilometer Prepared by CRAIG LEISING INTRODUCTION It may become critical for a particular weld, typically done by visual inspection, to be investigated with an extreme level of precision. Specific areas of interest for precise analysis include surface cracks, porosity and unfilled craters, regardless of subsequent inspection procedures. Weld [&#8230;]</p>
<p>The post <a href="https://nanovea.com/fr/inspection-de-la-surface-des-soudures-a-laide-dun-profilometre-3d-portable/">Weld Surface Inspection Using a 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>
]]></description>
										<content:encoded><![CDATA[<div data-elementor-type="wp-post" data-elementor-id="21138" class="elementor elementor-21138" data-elementor-post-type="post">
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					<h1 class="elementor-heading-title elementor-size-default">Inspection de surface WELd</h1>				</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/2022/07/Weld-Surface-Inspection.jpg" class="attachment-medium_large size-medium_large wp-image-21147" 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>
				</div>
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									<p>Il peut devenir critique qu'une soudure particulière, généralement réalisée par inspection visuelle, soit étudiée avec un niveau de précision extrême. Les domaines d'intérêt spécifiques pour une analyse précise comprennent les fissures de surface, la porosité et les cratères non remplis, quelles que soient les procédures d'inspection ultérieures. Les caractéristiques de la soudure telles que la dimension/forme, le volume, la rugosité, la taille, etc. peuvent toutes être mesurées pour une évaluation critique.</p>								</div>
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					<h2 class="elementor-heading-title elementor-size-default">IMPORTANCE DU PROFILOMÈTRE 3D SANS CONTACT POUR L'INSPECTION DE LA SURFACE DES SOUDURES</h2>				</div>
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									<p>Contrairement à d&#039;autres techniques telles que les palpeurs ou l&#039;interférométrie, le NANOVEA <a href="https://nanovea.com/profilometers/">Profilomètre 3D sans contact</a>, utilisant le chromatisme axial, peut mesurer presque toutes les surfaces, la taille des échantillons peut varier considérablement en raison de la mise en scène ouverte et aucune préparation d&#039;échantillon n&#039;est nécessaire. La plage nano à macro est obtenue lors de la mesure du profil de surface sans influence de la réflectivité ou de l&#039;absorption de l&#039;échantillon, a une capacité avancée de mesurer des angles de surface élevés et il n&#039;y a aucune manipulation logicielle des résultats. Mesurez facilement n&#039;importe quel matériau : transparent, opaque, spéculaire, diffusif, poli, rugueux, etc. Les capacités 2D et 2D des profilomètres portables NANOVEA en font des instruments idéaux pour une inspection complète des surfaces de soudure en laboratoire et sur le terrain.</p>								</div>
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									<p style="text-align: left;">OBJECTIF DE MESURE</p>								</div>
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									<p>Dans cette application, le profileur portable NANOVEA JR25 est utilisé pour mesurer la rugosité de surface, la forme et le volume d'une soudure, ainsi que la zone environnante. Ces informations peuvent fournir des renseignements essentiels pour étudier correctement la qualité de la soudure et du processus de soudage.</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>
				</div>
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					<a class="elementor-button elementor-button-link elementor-size-xs" href="https://nanovea.com/instruments/jr25/" id="learn-more-about-instrument">
						<span class="elementor-button-content-wrapper">
									<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">RÉSULTATS DES TESTS</h2>				</div>
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									<p>L'image ci-dessous montre la vue 3D complète de la soudure et de la zone environnante, ainsi que les paramètres de surface de la soudure uniquement. Le profil de la section transversale 2D est montré ci-dessous.</p>								</div>
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															<img loading="lazy" decoding="async" width="461" height="370" src="https://nanovea.com/wp-content/uploads/2022/07/Weld-Surface-Analysis.jpg" class="attachment-large size-large wp-image-21144" alt="" />															</div>
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									<p><em><strong>l'échantillon</strong></em></p>								</div>
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															<img loading="lazy" decoding="async" width="813" height="495" src="https://nanovea.com/wp-content/uploads/2022/07/Weld-Surface-Inspection-Scan.jpg" class="attachment-large size-large wp-image-21146" alt="" />															</div>
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															<img loading="lazy" decoding="async" width="1024" height="299" src="https://nanovea.com/wp-content/uploads/2022/07/Weld-Surface-Inspection-Profile.jpg" class="attachment-large size-large wp-image-21145" alt="" />															</div>
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									<p>Avec le profil de la section transversale 2D ci-dessus retiré de la 3D, les informations dimensionnelles de la soudure sont calculées ci-dessous. La surface et le volume du matériau sont calculés pour la soudure uniquement ci-dessous.</p>								</div>
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															<img loading="lazy" decoding="async" width="836" height="500" src="https://nanovea.com/wp-content/uploads/2022/07/Weld-quality-Control.jpg" class="attachment-large size-large wp-image-21143" alt="" />															</div>
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															<img loading="lazy" decoding="async" width="558" height="454" src="https://nanovea.com/wp-content/uploads/2022/07/Weld-Surface-Profilometry.jpg" class="attachment-large size-large wp-image-21148" alt="" />															</div>
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									<table class="aligncenter" style="width: 100%; border-collapse: collapse;"><tbody><tr><td style="width: 33.3333%;"> </td><td style="width: 33.3333%;"><em><strong style="color: #1b96cf;">HOLE</strong></em></td><td style="width: 33.3333%;"><em><strong style="color: #1b96cf;">PEAK</strong></em></td></tr><tr><td style="width: 33.3333%; text-align: right;"><em><strong style="color: #1b96cf;">SURFACE</strong></em></td><td style="width: 33.3333%;"><em><strong>1,01 mm<sup>2</sup></strong></em></td><td style="width: 33.3333%;"><em><strong>14,0 mm<sup>2</sup></strong></em></td></tr><tr><td style="width: 33.3333%; text-align: right;"><em><strong style="color: #1b96cf;">VOLUME</strong></em></td><td style="width: 33.3333%;"><em><strong>8,799e-5 mm<sup>3</sup></strong></em></td><td style="width: 33.3333%;"><em><strong>23,27 mm<sup>3</sup></strong></em></td></tr><tr><td style="width: 33.3333%; text-align: right;"><em><strong style="color: #1b96cf;">PROFONDEUR/HAUTEUR MAXIMALE</strong></em></td><td style="width: 33.3333%;"><em><strong>0,0276 mm</strong></em></td><td style="width: 33.3333%;"><em><strong>0,6195 mm</strong></em></td></tr><tr><td style="width: 33.3333%; text-align: right;"><em><strong style="color: #1b96cf;">PROFONDEUR/HAUTEUR MOYENNE</strong></em></td><td style="width: 33.3333%;"><em><strong> <span class="fontstyle0">0,004024 mm</span> </strong></em></td><td style="width: 33.3333%;"><em><strong> <span class="fontstyle0">0,2298 mm</span> </strong></em></td></tr></tbody></table>								</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 NANOVEA 3D Non-Contact Profiler peut caractériser avec précision les caractéristiques critiques d'une soudure et de la surface environnante. À partir de la rugosité, des dimensions et du volume, une méthode quantitative de qualité et de répétabilité peut être déterminée ou étudiée de manière plus approfondie. Des échantillons de soudures, comme l'exemple présenté dans cette note d'application, peuvent être facilement analysés à l'aide d'un profileur NANOVEA standard de table ou portable, pour des essais en interne ou sur le terrain.</p>								</div>
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				</div><p>The post <a href="https://nanovea.com/fr/inspection-de-la-surface-des-soudures-a-laide-dun-profilometre-3d-portable/">Weld Surface Inspection Using a 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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		<title>Évaluation des rayures et de l'usure des revêtements industriels</title>
		<link>https://nanovea.com/fr/revetements-industriels-evaluation-des-rayures-et-de-lusure/?utm_source=rss&#038;utm_medium=rss&#038;utm_campaign=industrial-coatings-scratch-and-wear-evaluation</link>
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		<dc:creator><![CDATA[nanovea]]></dc:creator>
		<pubdate>Fri, 27 May 2022 22:23:41 +0000</pubdate>
				<category><![CDATA[Application Notes]]></category>
		<category><![CDATA[Friction Testing | Coefficient of Friction]]></category>
		<category><![CDATA[Laboratory Testing]]></category>
		<category><![CDATA[Mechanical Testing]]></category>
		<category><![CDATA[Profilometry | Roughness and Finish]]></category>
		<category><![CDATA[Profilometry Testing]]></category>
		<category><![CDATA[Rotational Tribology]]></category>
		<category><![CDATA[Scratch Testing | Adhesive Failure]]></category>
		<category><![CDATA[Scratch Testing | Cohesive Failure]]></category>
		<category><![CDATA[Tribology Testing]]></category>
		<guid ispermalink="false">https://nanovea.com/?p=20021</guid>

					<description><![CDATA[<p>INDUSTRIAL COATING SCRATCH AND WEAR EVALUATION USING A TRIBOMETER Prepared by DUANJIE LI, PhD &#38; ANDREA HERRMANN INTRODUCTION Acrylic urethane paint is a type of fast-dry protective coating widely used in a variety of industrial applications, such as floor paint, auto paint, and others. When used as floor paint, it can serve areas with heavy [&#8230;]</p>
<p>The post <a href="https://nanovea.com/fr/revetements-industriels-evaluation-des-rayures-et-de-lusure/">Industrial Coatings Scratch and Wear Evaluation</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="20021" class="elementor elementor-20021" data-elementor-post-type="post">
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					<h1 class="elementor-heading-title elementor-size-default">REVÊTEMENT INDUSTRIEL</h1>				</div>
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					<h2 class="elementor-heading-title elementor-size-default">ÉVALUATION DES RAYURES ET DE L'USURE À L'AIDE D'UN TRIBOMÈTRE</h2>				</div>
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															<img loading="lazy" decoding="async" width="768" height="242" src="https://nanovea.com/wp-content/uploads/2022/05/Industrial-Coatings-Evaluation.jpg" class="attachment-medium_large size-medium_large wp-image-20025" 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 &amp; ANDREA HERRMANN</h2>				</div>
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					<h2 class="elementor-heading-title elementor-size-default">INTRODUCTION</h2>				</div>
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									<p>La peinture acrylique uréthane est un type de revêtement de protection à séchage rapide largement utilisé dans une variété d'applications industrielles, telles que la peinture de sol, la peinture automobile, et autres. Lorsqu'elle est utilisée comme peinture de sol, elle peut être utilisée dans des zones à fort trafic piétonnier et de roues en caoutchouc, comme les allées, les bordures et les parkings.</p>								</div>
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					<h2 class="elementor-heading-title elementor-size-default">IMPORTANCE DES ESSAIS DE RAYURE ET D'USURE POUR LE CONTRÔLE DE LA QUALITÉ</h2>				</div>
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									<p>Traditionnellement, des tests d'abrasion Taber étaient réalisés pour évaluer la résistance à l'usure des peintures pour sols en uréthane acrylique, conformément à la norme ASTM D4060. Cependant, comme le mentionne la norme, "pour certains matériaux, les essais d'abrasion utilisant l'abrasif de Taber peuvent être sujets à des variations dues à des changements dans les caractéristiques abrasives de la roue pendant l'essai".1 Cela peut entraîner une mauvaise reproductibilité des résultats d'essai et créer des difficultés pour comparer les valeurs rapportées par différents laboratoires. De plus, dans les tests d'abrasion Taber, la résistance à l'abrasion est calculée en tant que perte de poids à un nombre spécifié de cycles d'abrasion. Cependant, les peintures pour sols à base d'uréthane acrylique ont une épaisseur de film sec recommandée de 37,5 à 50 μm2.</p><p>Le processus d'abrasion agressif de Taber Abraser peut rapidement user le revêtement acrylique-uréthane et créer une perte de masse vers le substrat, ce qui entraîne des erreurs substantielles dans le calcul de la perte de poids de la peinture. L'implantation de particules abrasives dans la peinture pendant l'essai d'abrasion contribue également aux erreurs. Par conséquent, une mesure quantifiable et fiable bien contrôlée est cruciale pour garantir une évaluation reproductible de l'usure de la peinture. En outre, l'essai d'abrasion <a href="https://nanovea.com/scratch-tester/">test de dépistage</a> permet aux utilisateurs de détecter les défaillances prématurées des adhésifs dans des applications réelles.</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 étude, nous montrons que NANOVEA <a href="https://nanovea.com/tribometers/">Tribomètres </a>et <a href="https://nanovea.com/mechanical-testers/">Testeurs mécaniques</a> sont idéaux pour l’évaluation et le contrôle qualité des revêtements industriels.</p>
<p>Le processus d'usure des peintures de sol en uréthane acrylique avec différentes couches de finition est simulé de manière contrôlée et surveillée à l'aide du tribomètre NANOVEA. Le test de micro-rayures est utilisé pour mesurer la charge nécessaire pour provoquer une rupture cohésive ou adhésive de la peinture.</p>								</div>
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				<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">
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																<a href="https://nanovea.com/instruments/t100/">
							<img loading="lazy" decoding="async" width="763" height="800" src="https://nanovea.com/wp-content/uploads/2020/12/Nanovea-T100-Affordable-Tribometer.png" class="elementor-animation-grow attachment-medium_large size-medium_large wp-image-9908" alt="Tribomètre pneumatique compact T100" />								</a>
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									<span style="color: #000000;">NANOVEA </span><span style="color: #1b96cf;">T100</span>								</div>
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									<p style="text-align: center;">Le Tribomètre Pneumatique Compact</p>								</div>
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					<a class="elementor-button elementor-button-link elementor-size-md" href="https://nanovea.com/instruments/t100/" id="learn-more-about-instrument">
						<span class="elementor-button-content-wrapper">
									<span class="elementor-button-text">EN SAVOIR PLUS</span>
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					</a>
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				<div class="elementor-column elementor-col-50 elementor-inner-column elementor-element elementor-element-6a846d8" data-id="6a846d8" data-element_type="column">
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																<a href="https://nanovea.com/instruments/pb1000/">
							<img loading="lazy" decoding="async" width="600" height="595" src="https://nanovea.com/wp-content/uploads/2022/05/NANOVEA-Mechanical-Tester-PB1000.png" class="elementor-animation-grow attachment-medium_large size-medium_large wp-image-20051" alt="" />								</a>
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									<p style="text-align: center;"><span style="color: #000000;">NANOVEA </span><span style="color: #1b96cf;">PB1000</span></p>								</div>
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				<div class="elementor-element elementor-element-1f4a14e elementor-widget elementor-widget-text-editor" data-id="1f4a14e" data-element_type="widget" data-widget_type="text-editor.default">
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									<p style="text-align: center;">L'appareil d'essai mécanique à grande plate-forme</p>								</div>
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									<div class="elementor-button-wrapper">
					<a class="elementor-button elementor-button-link elementor-size-md" href="https://nanovea.com/instruments/pb1000/" id="learn-more-about-instrument">
						<span class="elementor-button-content-wrapper">
									<span class="elementor-button-text">EN SAVOIR PLUS</span>
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					</a>
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					<h2 class="elementor-heading-title elementor-size-default">PROCÉDURE DE TEST</h2>				</div>
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									<p style="text-align: left;">Cette étude évalue quatre revêtements de sol acryliques à base d'eau disponibles dans le commerce qui ont le même apprêt (couche de base) et différentes couches de finition de la même formule avec une légère alternance dans les mélanges d'additifs dans le but d'améliorer la durabilité. Ces quatre revêtements sont identifiés comme les échantillons A, B, C et D.</p>								</div>
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															<img loading="lazy" decoding="async" width="1024" height="436" src="https://nanovea.com/wp-content/uploads/2022/05/Industrial-Paint-Tribology.jpg" class="attachment-large size-large wp-image-20036" alt="" />															</div>
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				<section class="elementor-section elementor-top-section elementor-element elementor-element-3b1c09f elementor-section-boxed elementor-section-height-default elementor-section-height-default" data-id="3b1c09f" data-element_type="section">
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					<h2 class="elementor-heading-title elementor-size-default">TEST D'USURE</h2>				</div>
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									<p style="text-align: left;">Le tribomètre NANOVEA a été appliqué pour évaluer le comportement tribologique, par exemple le coefficient de frottement, le COF et la résistance à l&#039;usure. Une pointe sphérique SS440 (diamètre 6 mm, grade 100) a été appliquée contre les peintures testées. Le COF a été enregistré in situ. Le taux d&#039;usure, K, a été évalué à l&#039;aide de la formule K=V/(F×s)=A/(F×n), où V est le volume usé, F est la charge normale, s est la distance de glissement, A est la surface de la section transversale de la piste d&#039;usure, et n est le nombre de tours. Les profils de rugosité de surface et de traces d&#039;usure ont été évalués par le NANOVEA <a href="https://nanovea.com/profilometers/">Profilomètre optique</a>, et la morphologie des traces d&#039;usure a été examinée au microscope optique.</p>								</div>
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				<section class="elementor-section elementor-top-section elementor-element elementor-element-df053de elementor-section-boxed elementor-section-height-default elementor-section-height-default" data-id="df053de" data-element_type="section">
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					<h2 class="elementor-heading-title elementor-size-default">PARAMÈTRES DES ESSAIS D'USURE</h2>				</div>
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				<section class="elementor-section elementor-inner-section elementor-element elementor-element-a158972 elementor-section-boxed elementor-section-height-default elementor-section-height-default" data-id="a158972" data-element_type="section">
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									<p>FORCE NORMALE</p>								</div>
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									<p>20 N</p>								</div>
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									<p>VITESSE</p>								</div>
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									<p>15 m/min</p>								</div>
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									<p>DURÉE DE L'ESSAI</p>								</div>
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									<p>100, 150, 300 et 800 cycles</p>								</div>
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				<section class="elementor-section elementor-top-section elementor-element elementor-element-575156f elementor-section-boxed elementor-section-height-default elementor-section-height-default" data-id="575156f" data-element_type="section">
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					<h2 class="elementor-heading-title elementor-size-default">TEST D'ÉRAFLURE</h2>				</div>
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									<p style="text-align: left;">Le testeur mécanique NANOVEA équipé d'un stylet en diamant Rockwell C (rayon de 200 μm) a été utilisé pour effectuer des tests de rayures à charge progressive sur les échantillons de peinture en utilisant le mode Micro Scratch Tester. Deux charges finales ont été utilisées : Une charge finale de 5 N pour étudier le décollement de la peinture de l'apprêt, et une charge finale de 35 N pour étudier le décollement de l'apprêt des substrats métalliques. Trois tests ont été répétés dans les mêmes conditions sur chaque échantillon afin de garantir la reproductibilité des résultats.</p><p style="text-align: left;">Des images panoramiques de toutes les longueurs de rayures ont été automatiquement générées et leurs emplacements de défaillance critique ont été corrélés avec les charges appliquées par le logiciel du système. Cette fonctionnalité du logiciel permet aux utilisateurs d'effectuer des analyses sur les traces de rayures à tout moment, plutôt que de devoir déterminer la charge critique au microscope immédiatement après les essais de rayures.</p>								</div>
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				<section class="elementor-section elementor-top-section elementor-element elementor-element-4f2abf8 elementor-section-boxed elementor-section-height-default elementor-section-height-default" data-id="4f2abf8" data-element_type="section">
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					<h2 class="elementor-heading-title elementor-size-default">PARAMÈTRES DE L'ESSAI DE GRATTAGE</h2>				</div>
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									<table style="width: 100%;"><tbody><tr><td style="text-align: left; width: 67.7419%;"><em><strong>TYPE DE CHARGE</strong></em></td><td style="width: 29.912%; text-align: right;"><em><strong>Progressif</strong></em></td></tr><tr><td style="text-align: left; width: 67.7419%;"><em><strong>CHARGE INITIALE</strong></em></td><td style="width: 29.912%; text-align: right;"><em><strong>0,01 mN</strong></em></td></tr><tr><td style="text-align: left; width: 67.7419%;"><em><strong>CHARGE FINALE</strong></em></td><td style="width: 29.912%; text-align: right;"><em><strong>5 N / 35 N</strong></em></td></tr><tr><td style="text-align: left; width: 67.7419%;"><em><strong>TAUX DE CHARGEMENT</strong></em></td><td style="width: 29.912%; text-align: right;"><em><strong>10 / 70 N/min</strong></em></td></tr><tr><td style="text-align: left; width: 67.7419%;"><em><strong>LONGUEUR DU GRATTAGE</strong></em></td><td style="width: 29.912%; text-align: right;"><em><strong>3 mm</strong></em></td></tr><tr><td style="text-align: left; width: 67.7419%;"><em><strong>VITESSE DE SCRATCHAGE, dx/dt</strong></em></td><td style="width: 29.912%; text-align: right;"><em><strong>6.0 mm/min</strong></em></td></tr><tr><td style="text-align: left; width: 67.7419%;"><em><strong>GÉOMÉTRIE DU PÉNÉTRATEUR</strong></em></td><td style="width: 29.912%; text-align: right;"><em><strong>Cône de 120º.</strong></em></td></tr><tr><td style="text-align: left; width: 67.7419%;"><em><strong>MATÉRIAU DE L'INDENTATEUR (pointe)</strong></em></td><td style="width: 29.912%; text-align: right;"><em><strong>Diamant</strong></em></td></tr><tr><td style="text-align: left; width: 67.7419%;"><em><strong>RAYON DE LA POINTE DU PÉNÉTRATEUR</strong></em></td><td style="width: 29.912%; text-align: right;"><em><strong>200 μm</strong></em></td></tr></tbody></table>								</div>
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				<section class="elementor-section elementor-top-section elementor-element elementor-element-1fa8af8 elementor-section-boxed elementor-section-height-default elementor-section-height-default" data-id="1fa8af8" data-element_type="section">
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					<h2 class="elementor-heading-title elementor-size-default">RÉSULTATS DES TESTS D'USURE</h2>				</div>
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									<p style="text-align: justify;">Quatre tests d'usure de type " pin-on-disk " à différents nombres de tours (100, 150, 300 et 800 cycles) ont été réalisés sur chaque échantillon afin de suivre l'évolution de l'usure. La morphologie de la surface des échantillons a été mesurée à l'aide d'un profileur sans contact NANOVEA 3D afin de quantifier la rugosité de surface avant de réaliser les essais d'usure. Tous les échantillons présentaient une rugosité de surface comparable d'environ 1 μm, comme le montre la FIGURE 1. Le COF a été enregistré in situ pendant les essais d'usure, comme le montre la FIGURE 2. La FIGURE 4 présente l'évolution des traces d'usure après 100, 150, 300 et 800 cycles, et la FIGURE 3 résume le taux d'usure moyen des différents échantillons à différentes étapes du processus d'usure.</p><p> </p><p style="text-align: justify;">Comparé à une valeur de COF de ~0,07 pour les trois autres échantillons, l'échantillon A présente un COF beaucoup plus élevé de ~0,15 au début, qui augmente progressivement et se stabilise à ~0,3 après 300 cycles d'usure. Un COF aussi élevé accélère le processus d'usure et crée une quantité substantielle de débris de peinture comme l'indique la FIGURE 4 - la couche supérieure de l'échantillon A a commencé à être enlevée dans les 100 premiers tours. Comme l'indique la FIGURE 3, l'échantillon A présente le taux d'usure le plus élevé de ~5 μm2/N au cours des 300 premiers cycles, qui diminue légèrement à ~3,5 μm2/N en raison de la meilleure résistance à l'usure du substrat métallique. La couche supérieure de l'échantillon C commence à se rompre après 150 cycles d'usure, comme le montre la FIGURE 4, ce qui est également indiqué par l'augmentation du COF dans la FIGURE 2.</p><p> </p><p style="text-align: justify;">En comparaison, l'échantillon B et l'échantillon D présentent des propriétés tribologiques améliorées. L'échantillon B maintient un faible COF tout au long de l'essai - le COF augmente légèrement de ~0,05 à ~0,1. Un tel effet lubrifiant améliore considérablement sa résistance à l'usure - la couche de finition offre toujours une protection supérieure à l'apprêt sous-jacent après 800 cycles d'usure. Le taux d'usure moyen le plus faible de seulement ~0,77 μm2/N est mesuré pour l'échantillon B à 800 cycles. La couche supérieure de l'échantillon D commence à se délaminer après 375 cycles, comme le reflète l'augmentation abrupte du COF dans la FIGURE 2. Le taux d'usure moyen de l'échantillon D est de ~1,1 μm2/N à 800 cycles.</p><p> </p><p style="text-align: justify;">Par rapport aux mesures d'abrasion Taber conventionnelles, le tribomètre NANOVEA fournit des évaluations d'usure bien contrôlées, quantifiables et fiables qui garantissent des évaluations reproductibles et un contrôle de qualité des peintures commerciales pour sols/auto. En outre, la capacité des mesures in situ du COF permet aux utilisateurs de corréler les différentes étapes d'un processus d'usure avec l'évolution du COF, ce qui est essentiel pour améliorer la compréhension fondamentale du mécanisme d'usure et des caractéristiques tribologiques de divers revêtements de peinture.</p>								</div>
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				<section class="elementor-section elementor-top-section elementor-element elementor-element-7311885 elementor-section-boxed elementor-section-height-default elementor-section-height-default" data-id="7311885" data-element_type="section">
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															<img loading="lazy" decoding="async" width="366" height="345" src="https://nanovea.com/wp-content/uploads/2022/05/Industrial-Coatings-Profilometry.jpg" class="attachment-large size-large wp-image-20026" alt="" />															</div>
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															<img loading="lazy" decoding="async" width="366" height="345" src="https://nanovea.com/wp-content/uploads/2022/05/Industrial-Coatings-Roughness.jpg" class="attachment-large size-large wp-image-20027" alt="" />															</div>
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															<img loading="lazy" decoding="async" width="366" height="345" src="https://nanovea.com/wp-content/uploads/2022/05/Industrial-Paint-Roughness.jpg" class="attachment-large size-large wp-image-20031" alt="" />															</div>
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															<img loading="lazy" decoding="async" width="366" height="345" src="https://nanovea.com/wp-content/uploads/2022/05/Industrial-Paint-Testing.jpg" class="attachment-large size-large wp-image-20035" 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">Morphologie 3D et rugosité des échantillons de peinture.</span>
</span></span></p>								</div>
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				<section class="elementor-section elementor-inner-section elementor-element elementor-element-eea6b5a elementor-section-boxed elementor-section-height-default elementor-section-height-default" data-id="eea6b5a" data-element_type="section">
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															<img loading="lazy" decoding="async" width="719" height="508" src="https://nanovea.com/wp-content/uploads/2022/05/Industrial-Coatings-COF.jpg" class="attachment-large size-large wp-image-20024" alt="" />															</div>
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									<p style="text-align: center;"><span class="fontstyle0" style="color: #1b96cf;">FIGURE 2 : </span><span style="color: #000000;"><span class="fontstyle0">COF pendant les tests pin-on-disk.</span></span></p>								</div>
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															<img loading="lazy" decoding="async" width="719" height="508" src="https://nanovea.com/wp-content/uploads/2022/05/Industrial-Coating-Wear-Test.jpg" class="attachment-large size-large wp-image-20023" alt="" />															</div>
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									<p style="text-align: center;"><span class="fontstyle0" style="color: #1b96cf;">FIGURE 3 : </span><span style="color: #000000;"><span class="fontstyle0">Évolution du taux d'usure de différentes peintures.</span></span></p>								</div>
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															<img loading="lazy" decoding="async" width="1024" height="801" src="https://nanovea.com/wp-content/uploads/2022/05/Industrial-Paint-Wear-Test.jpg" class="attachment-large size-large wp-image-20037" 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">Évolution des traces d'usure pendant les essais "pin-on-disk".</span>
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				<section class="elementor-section elementor-top-section elementor-element elementor-element-ec03633 elementor-section-boxed elementor-section-height-default elementor-section-height-default" data-id="ec03633" data-element_type="section">
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					<h2 class="elementor-heading-title elementor-size-default">RÉSULTATS DU TEST DE GRATTAGE</h2>				</div>
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									<p style="text-align: justify;">La FIGURE 5 montre le tracé de la force normale, de la force de frottement et de la profondeur réelle en fonction de la longueur de la rayure pour l'échantillon A à titre d'exemple. Un module d'émission acoustique optionnel peut être installé pour fournir plus d'informations. Lorsque la charge normale augmente linéairement, la pointe de l'indentation s'enfonce progressivement dans l'échantillon testé, comme le reflète l'augmentation progressive de la profondeur réelle. La variation des pentes des courbes de la force de frottement et de la profondeur réelle peut être utilisée comme l'une des implications du début des défaillances du revêtement.</p>								</div>
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															<img loading="lazy" decoding="async" width="926" height="495" src="https://nanovea.com/wp-content/uploads/2022/05/Industrial-Coating-Scratch-Test.jpg" class="attachment-large size-large wp-image-20044" 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">Force normale, force de frottement et profondeur réelle en fonction de la longueur de la rayure pour
l'essai de rayure de l'échantillon A avec une charge maximale de 5 N.</span>
</span></span></p>								</div>
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				<div class="elementor-element elementor-element-4762328 elementor-widget elementor-widget-text-editor" data-id="4762328" data-element_type="widget" data-widget_type="text-editor.default">
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									<p style="text-align: justify;">La FIGURE 6 et la FIGURE 7 montrent les rayures complètes des quatre échantillons de peinture testés avec une charge maximale de 5 N et 35 N, respectivement. L'échantillon D a nécessité une charge plus élevée de 50 N pour délaminer l'apprêt. Les tests de rayures à une charge finale de 5 N (FIGURE 6) évaluent la défaillance cohésive/adhésive de la peinture supérieure, tandis que ceux à 35 N (FIGURE 7) évaluent la délamination du primaire. Les flèches dans les micrographies indiquent le point auquel la peinture supérieure ou le primaire commence à se détacher complètement du primaire ou du substrat. La charge à ce point, appelée charge critique, Lc, est utilisée pour comparer les propriétés cohésives ou adhésives de la peinture, comme résumé dans le tableau 1.</p><p style="text-align: justify;"> </p><p style="text-align: justify;">Il est évident que l'échantillon de peinture D présente la meilleure adhérence interfaciale - affichant les valeurs Lc les plus élevées de 4,04 N à la délamination de la peinture et de 36,61 N à la délamination du primaire. L'échantillon B présente la deuxième meilleure résistance aux rayures. À partir de l'analyse des rayures, nous montrons que l'optimisation de la formule de la peinture est essentielle pour les comportements mécaniques, ou plus précisément, la résistance aux rayures et les propriétés d'adhésion des peintures acryliques pour sols.</p>								</div>
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															<img loading="lazy" decoding="async" width="1024" height="225" src="https://nanovea.com/wp-content/uploads/2022/05/Industrial-Paint-QC.jpg" class="attachment-large size-large wp-image-20030" 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">Résumé des charges critiques.</span>
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				<section class="elementor-section elementor-top-section elementor-element elementor-element-39ae57e elementor-section-boxed elementor-section-height-default elementor-section-height-default" data-id="39ae57e" data-element_type="section">
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															<img loading="lazy" decoding="async" width="1024" height="196" src="https://nanovea.com/wp-content/uploads/2022/05/Industrial-Coating-Scratch.jpg" class="attachment-large size-large wp-image-20042" alt="" />															</div>
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															<img loading="lazy" decoding="async" width="1024" height="198" src="https://nanovea.com/wp-content/uploads/2022/05/Industrial-Coating-Scratch-Testing.jpg" class="attachment-large size-large wp-image-20041" alt="" />															</div>
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															<img loading="lazy" decoding="async" width="1024" height="198" src="https://nanovea.com/wp-content/uploads/2022/05/Industrial-Coating-Scratch-Tester.jpg" class="attachment-large size-large wp-image-20040" alt="" />															</div>
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															<img loading="lazy" decoding="async" width="1024" height="198" src="https://nanovea.com/wp-content/uploads/2022/05/Industrial-Coating-Scratch-QC-Test.jpg" class="attachment-large size-large wp-image-20039" alt="" />															</div>
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									<p style="text-align: center;"><span class="fontstyle0" style="color: #1b96cf;">FIGURE 6 : </span><span class="fontstyle0" style="color: #1b96cf;"><span style="color: #000000;"><span class="fontstyle0">Micrographies d'une rayure complète avec une charge maximale de 5 N.</span>
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															<img loading="lazy" decoding="async" width="1024" height="198" src="https://nanovea.com/wp-content/uploads/2022/05/Industrial-Paint-Scratch-Test.jpg" class="attachment-large size-large wp-image-20033" alt="" />															</div>
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															<img loading="lazy" decoding="async" width="1024" height="198" src="https://nanovea.com/wp-content/uploads/2022/05/Industrial-Paint-Scratch-Testing.jpg" class="attachment-large size-large wp-image-20034" alt="" />															</div>
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															<img loading="lazy" decoding="async" width="1024" height="198" src="https://nanovea.com/wp-content/uploads/2022/05/Industrial-Paint-Lab-Testing.jpg" class="attachment-large size-large wp-image-20029" alt="" />															</div>
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															<img loading="lazy" decoding="async" width="1024" height="148" src="https://nanovea.com/wp-content/uploads/2022/05/Industrial-Paint-Scratch-QC-Test.jpg" class="attachment-large size-large wp-image-20032" alt="" />															</div>
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									<p style="text-align: center;"><span class="fontstyle0" style="color: #1b96cf;">FIGURE 7 : </span><span class="fontstyle0" style="color: #1b96cf;"><span style="color: #000000;"><span class="fontstyle0">Micrographies d'une rayure complète avec une charge maximale de 35 N.</span>
</span></span></p>								</div>
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					<h2 class="elementor-heading-title elementor-size-default">CONCLUSION</h2>				</div>
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									<p style="text-align: justify;">Par rapport aux mesures d'abrasion Taber conventionnelles, le testeur mécanique et le tribomètre NANOVEA sont des outils supérieurs pour l'évaluation et le contrôle de la qualité des revêtements de sol commerciaux et automobiles. Le testeur mécanique NANOVEA en mode rayure peut détecter les problèmes d'adhésion/cohésion dans un système de revêtement. Le tribomètre NANOVEA fournit une analyse tribologique quantifiable et répétable bien contrôlée sur la résistance à l'usure et le coefficient de frottement des peintures.</p><p> </p><p>Sur la base des analyses tribologiques et mécaniques complètes des revêtements de sol acryliques à base d'eau testés dans cette étude, nous montrons que l'échantillon B possède le COF et le taux d'usure les plus faibles et la deuxième meilleure résistance aux rayures, tandis que l'échantillon D présente la meilleure résistance aux rayures et la deuxième meilleure résistance à l'usure. Cette évaluation nous permet d'évaluer et de sélectionner le meilleur candidat ciblant les besoins dans différents environnements d'application.</p><p> </p><p>Les modules Nano et Micro du testeur mécanique NANOVEA comprennent tous des modes d'indentation, de rayure et d'usure conformes aux normes ISO et ASTM, offrant ainsi la plus large gamme de tests disponibles pour l'évaluation des peintures sur un seul module. Le tribomètre NANOVEA offre des tests 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. La gamme inégalée de NANOVEA constitue une solution idéale pour déterminer l'ensemble des propriétés mécaniques/tribologiques des revêtements, films et substrats minces ou épais, souples ou durs, notamment la dureté, le module de Young, la résistance à la rupture, l'adhérence, la résistance à l'usure et bien d'autres encore. Des profileurs optiques sans contact NANOVEA sont disponibles en option pour l'imagerie 3D haute résolution des rayures et des traces d'usure, en plus d'autres mesures de surface telles que la rugosité.</p>								</div>
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					<h2 class="elementor-heading-title elementor-size-default"><b>MAINTENANT, PARLONS DE VOTRE CANDIDATURE</b></h2>				</div>
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				</div><p>The post <a href="https://nanovea.com/fr/revetements-industriels-evaluation-des-rayures-et-de-lusure/">Industrial Coatings Scratch and Wear Evaluation</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>
		<category><![CDATA[Profilometry | Volume and Area]]></category>
		<category><![CDATA[Profilometry Testing]]></category>
		<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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										<content:encoded><![CDATA[<div data-elementor-type="wp-post" data-elementor-id="18527" class="elementor elementor-18527" data-elementor-post-type="post">
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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">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>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>
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					<h2 class="elementor-heading-title elementor-size-default">IMPORTANCE DU PROFILOMÈTRE 3D SANS CONTACT POUR L'INSPECTION DES FRACTURES</h2>				</div>
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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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									<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 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>
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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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					<a class="elementor-button elementor-button-link elementor-size-xs" href="https://nanovea.com/instruments/st400" id="learn-more-about-instrument">
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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">RÉSULTATS</h2>				</div>
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					<h2 class="elementor-heading-title elementor-size-default">SURFACE SUPÉRIEURE</h2>				</div>
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															<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>
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					<h2 class="elementor-heading-title elementor-size-default">Direction de la texture de la surface 3D</h2>				</div>
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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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									<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>
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															<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>
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									<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>
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					</div>
		</div>
				<div class="elementor-column elementor-col-50 elementor-inner-column elementor-element elementor-element-6e6e18f" data-id="6e6e18f" 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-9bb102b elementor-widget elementor-widget-image" data-id="9bb102b" data-element_type="widget" data-widget_type="image.default">
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															<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>
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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">SURFACE LATÉRALE</h2>				</div>
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															<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>
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					<h2 class="elementor-heading-title elementor-size-default">Direction de la texture de la surface 3D</h2>				</div>
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															<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>
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				<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">
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									<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>
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															<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>
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									<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>
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					<h2 class="elementor-heading-title elementor-size-default">Extraction du profil 2D</h2>				</div>
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															<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>
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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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					<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/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>
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				<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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					<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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