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	<title>プロファイル測定 | 幾何形状アプリケーションノート - NANOVEA：材料試験用高度プロファイル計、トライボメーター、ナノインデンター、スクラッチテスター</title>
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	<description>材料研究と品質管理のための計測機器</description>
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	<title>プロファイル測定 | 幾何形状アプリケーションノート - NANOVEA：材料試験用高度プロファイル計、トライボメーター、ナノインデンター、スクラッチテスター</title>
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		<title>Stent Coating Adhesion and Delamination Analysis Using Nano Scratch Testing</title>
		<link>https://nanovea.com/ja/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/ja/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 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 [&#8230;]</p>
<p>The post <a href="https://nanovea.com/ja/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/ja">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="26271" class="elementor elementor-26271" data-elementor-post-type="post">
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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">アンドリュー・ショア</p>				</div>
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					<h2 class="elementor-heading-title elementor-size-default">はじめに</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"> 詳細はこちら <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 メカニカルテスター</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;">ナノビア <span style="font-size: 20pt; color: #1b96cf;">PB1000 Advanced</span></p><p style="text-align: center; font-size: 20pt; color: black;">メカニカルテスター</p>								</div>
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							<img decoding="async" width="300" height="264" src="https://nanovea.com/wp-content/uploads/2026/01/nanoindenter-scratch-tester-platform-nanovea-pb1000.jpg" class="elementor-animation-grow attachment-medium size-medium wp-image-25767" alt="ナノ圧子およびスクラッチテスタープラットフォーム NANOVEA PB1000 ナノおよびマイクロ圧子モジュール付き" />								</a>
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					<h2 class="elementor-heading-title elementor-size-default">テスト条件</h2>				</div>
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					<h3 class="elementor-heading-title elementor-size-default">1. Regular Stent Samples</h3>				</div>
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									<p data-start="1228" data-end="1620">The stent is fixed on the sample stage, with a support wire inserted inside the stent tube to ensure stability during nano scratch testing. The NANOVEA Mechanical Tester is used to perform nano scratch measurements using the parameters summarized in Table 1, to evaluate the cohesive and adhesive strength of the polymer coating on the metal substrate.</p>								</div>
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									<div class="measurement-table-wrapper"><table class="measurement-table"><thead><tr><th>Parameter</th><th>Value</th></tr></thead><tbody><tr><td>Load type</td><td>プログレッシブ</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>円錐形（コニカル）</td></tr><tr><td>Indenter material (tip)</td><td>ダイヤモンド</td></tr><tr><td>圧子先端半径</td><td>20 µm</td></tr><tr><td>温度</td><td>24°C (room)</td></tr></tbody></table></div>								</div>
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									<p style="text-align: center;"><span class="fontstyle0" style="color: #1b96cf;">表1: </span>Test parameters for nano scratch measurements on regular stent samples</p>								</div>
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					<h3 class="elementor-heading-title elementor-size-default">2. Grooved Stent Samples</h3>				</div>
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									<p data-start="1073" data-end="1296">The SEM image in Fig. 1 shows the cross-section of the stent sample. The stent features a groove with a depth of approximately 30 µm. The polymer coating, with a thickness of 10.8 µm, is located at the bottom of the groove.</p><p data-start="1298" data-end="1497">Standard 60° conical diamond tips are not sharp enough to reach the bottom of the groove without contacting the sidewalls. Therefore, a sharper 40° conical diamond tip is used in this study (Fig. 2).</p><p data-start="1499" data-end="1582">Nano scratch measurements are performed using the parameters summarized in Table 2.</p>								</div>
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<table class="measurement-table">
<thead>
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<th>Parameter</th>
<th>Value</th>
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</thead>
<tbody>
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<td>Load type</td>
<td>プログレッシブ</td>
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<tr>
<td>Initial load</td>
<td>0.1 mN</td>
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<tr>
<td>Final load</td>
<td>300 mN</td>
</tr>
<tr>
<td>積載率</td>
<td>300 mN/min</td>
</tr>
<tr>
<td>Scratch length</td>
<td>0.25 mm</td>
</tr>
<tr>
<td>Scratch speed</td>
<td>0.25 mm/min</td>
</tr>
<tr>
<td>Indenter geometry</td>
<td>40° cone</td>
</tr>
<tr>
<td>Indenter material (tip)</td>
<td>ダイヤモンド</td>
</tr>
<tr>
<td>圧子先端半径</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">結果および考察</h2>				</div>
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				<section class="elementor-section elementor-top-section elementor-element elementor-element-55f91f5 elementor-section-boxed elementor-section-height-default elementor-section-height-default" data-id="55f91f5" data-element_type="section">
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									<p data-start="548" data-end="837">The stent mesh has a diameter of approximately 100 μm, comparable to a human hair. Precise positioning is therefore critical to ensure the scratch test is performed at the center of the stent mesh. The NANOVEA Mechanical Tester provides X–Y positioning accuracy down to 0.25 μm, enabling accurate test placement under the integrated optical microscope.</p>								</div>
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					<h3 class="elementor-heading-title elementor-size-default">1. Regular Stent Samples</h3>				</div>
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									<p data-start="641" data-end="857">Nano scratch testing is performed with a progressively increasing load up to 300 mN. The full scratch track on the stent is shown in Fig. 3a, while failure behavior at different stages is presented in Fig. 3b and 3c.</p><p data-start="859" data-end="893">Two critical loads are identified:</p><ul data-start="894" data-end="1061"><li data-section-id="14iz9qw" data-start="894" data-end="972">Lc1: the load at which the first visible damage appears on the coating</li><li data-section-id="1mmzt6b" data-start="973" data-end="1061">Lc2: the load at which the coating is fully removed and the substrate is exposed</li></ul><p data-start="1063" data-end="1226">The evolution of coefficient of friction (COF) and penetration depth is shown in Fig. 4, providing insight into the progression of coating failure during the test.</p><p data-start="1228" data-end="1499">The first signs of coating damage appear at Lc1 ≈ 14.5 mN. As the applied load increases, the diamond tip progressively penetrates the polymer coating, resulting in a wider and deeper scratch track. During this phase, the COF increases from approximately 0.05 to 0.7.</p><p data-start="1501" data-end="1756">At Lc2 ≈ 78.1 mN, the coating is fully delaminated from the metal substrate. Beyond this point, as the load continues to increase, both COF and penetration depth remain relatively stable due to the mechanical support of the underlying metal substrate.</p>								</div>
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				<section class="elementor-section elementor-top-section elementor-element elementor-element-23d3399 elementor-reverse-mobile elementor-section-boxed elementor-section-height-default elementor-section-height-default" data-id="23d3399" data-element_type="section">
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															<img loading="lazy" decoding="async" width="1200" height="404" src="https://nanovea.com/wp-content/uploads/2026/03/stent-coating-nano-scratch-track-full-progressive-load.jpg" class="attachment-full size-full wp-image-26293" alt="nano scratch track stent coating progressive load adhesion testing" />															</div>
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									<p>(a) Full Scratch Track</p>								</div>
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				<section class="elementor-section elementor-inner-section elementor-element elementor-element-7016a63 elementor-reverse-mobile elementor-section-full_width elementor-reverse-tablet elementor-section-height-default elementor-section-height-default" data-id="7016a63" data-element_type="section">
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															<img loading="lazy" decoding="async" width="897" height="670" src="https://nanovea.com/wp-content/uploads/2026/03/stent-coating-initial-failure-lc1-nano-scratch-14-5mn.jpg" class="attachment-large size-large wp-image-26294" alt="" />															</div>
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									<p>(b) <strong data-start="599" data-end="616">Lc1 ≈ 14.5 mN</strong></p>								</div>
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															<img loading="lazy" decoding="async" width="897" height="670" src="https://nanovea.com/wp-content/uploads/2026/03/stent-coating-delamination-lc2-nano-scratch-78-1mn.jpg" class="attachment-large size-large wp-image-26295" alt="stent coating delamination lc2 nano scratch 78.1 mN adhesion testing" />															</div>
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									<p>(c) <strong data-start="625" data-end="642">Lc2 ≈ 78.1 mN</strong></p>								</div>
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									<p style="text-align: center;"><span class="fontstyle0" style="color: #1b96cf;">Fig. 3: </span>Nano scratch track on a stent coating under progressively increasing load, showing (a) full scratch path, (b) initial coating failure at Lc1 ≈ 14.5 mN, and (c) complete coating delamination at Lc2 ≈ 78.1 mN.</p>								</div>
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				<section class="elementor-section elementor-top-section elementor-element elementor-element-c9cfe8c elementor-reverse-mobile elementor-section-boxed elementor-section-height-default elementor-section-height-default" data-id="c9cfe8c" data-element_type="section">
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															<img loading="lazy" decoding="async" width="1751" height="725" src="https://nanovea.com/wp-content/uploads/2026/03/nano-scratch-cof-depth-stent-coating-failure-analysis.jpg" class="attachment-full size-full wp-image-26296" alt="nano scratch testing stent coating coefficient of friction depth progression adhesion failure" />															</div>
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									<p style="text-align: center;"><span class="fontstyle0" style="color: #1b96cf;">Fig. 4: </span>Evolution of coefficient of friction (COF) and penetration depth during nano scratch testing of a stent coating under progressively increasing load, showing the progression of coating failure and transition to substrate support.</p>								</div>
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				<div class="elementor-element elementor-element-f9e723a elementor-widget elementor-widget-text-editor" data-id="f9e723a" data-element_type="widget" data-widget_type="text-editor.default">
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									<p data-start="246" data-end="537">Failures during nano scratch testing up to a maximum load of 300 mN occur at critical loads below 100 mN. To enable a more quantitative comparison of coating performance, additional tests are performed with a maximum load of 100 mN on two stent samples, referred to as Sample 1 and Sample 2.</p><p data-start="539" data-end="794">Fig. 5 compares the scratch tracks of Sample 1 and Sample 2 after nano scratch testing. Sample 1 exhibits the first sign of coating damage at a critical load of Lc1 ≈ 13.2 mN, while Sample 2 shows initial failure at a higher load of Lc1 ≈ 21.1 mN.</p><p data-start="796" data-end="1002">Coating delamination occurs at 62.5 mN for Sample 1. In contrast, the coating on Sample 2 remains intact throughout the test, continuing to protect the metal substrate under the same loading conditions.</p><p data-start="1004" data-end="1350">This behavior is further reflected in the evolution of coefficient of friction (COF) and penetration depth, as shown in Fig. 6. When the diamond tip penetrates through the coating and contacts the metal substrate in Sample 1, the COF reaches a peak while the penetration depth decreases due to the increased stiffness of the underlying substrate.</p>								</div>
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															<img loading="lazy" decoding="async" width="1797" height="288" src="https://nanovea.com/wp-content/uploads/2026/03/stent-coating-sample1-early-failure-nano-scratch.jpg" class="attachment-full size-full wp-image-26297" alt="stent coating sample 1 early failure nano scratch track delamination adhesion testing" />															</div>
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									<p>(a) Sample 1 – Early Coating Failure</p>								</div>
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															<img loading="lazy" decoding="async" width="1797" height="288" src="https://nanovea.com/wp-content/uploads/2026/03/stent-coating-sample2-high-adhesion-nano-scratch.jpg" class="attachment-full size-full wp-image-26298" alt="stent coating sample 2 high adhesion nano scratch track minimal damage testing" />															</div>
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									<p>(b) Sample 2 – Improved Coating Integrity</p>								</div>
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									<p style="text-align: center;"><span class="fontstyle0" style="color: #1b96cf;">Fig. 5: </span>Comparison of nano scratch tracks for two stent coatings, showing (a) early coating failure and delamination in Sample 1, and (b) improved coating integrity in Sample 2 under the same loading conditions.</p>								</div>
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															<img loading="lazy" decoding="async" width="1500" height="913" src="https://nanovea.com/wp-content/uploads/2026/03/nano-scratch-cof-depth-comparison-stent-coating-adhesion.jpg" class="attachment-full size-full wp-image-26299" alt="nano scratch testing stent coating COF depth comparison sample 1 sample 2 adhesion performance" />															</div>
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									<p style="text-align: center;"><span class="fontstyle0" style="color: #1b96cf;">Fig. 6: </span>Comparison of coefficient of friction (COF) and penetration depth for Sample 1 and Sample 2 during nano scratch testing, showing earlier substrate contact and higher friction response in Sample 1, indicating weaker coating adhesion.</p>								</div>
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				<section class="elementor-section elementor-top-section elementor-element elementor-element-f64c74c elementor-section-boxed elementor-section-height-default elementor-section-height-default" data-id="f64c74c" data-element_type="section">
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					<h3 class="elementor-heading-title elementor-size-default">2. Grooved Stent Samples</h3>				</div>
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									<p data-start="279" data-end="601">As shown in Fig. 1 and Fig. 7, the grooved stent mesh has a diameter of approximately 90 μm, comparable to a human hair. The groove has a width of ~50 μm and a depth of 30 μm. This geometry presents a significant challenge for nano scratch testing, particularly for evaluating coating adhesion at the bottom of the groove.</p><p data-start="603" data-end="847">Precise positioning is critical to locate the scratch test within the groove. The nano scratch test is performed with a progressively increasing load up to 300 mN. The full scratch tracks of grooved stent Samples 3 and 4 are compared in Fig. 7.</p><p data-start="849" data-end="1108">The critical load Lc is defined as the load at which the coating fails and the substrate becomes exposed. The evolution of normal load and penetration depth, shown in Fig. 8, provides further insight into the progression of coating failure during testing.</p><p data-start="1110" data-end="1331">As the applied load increases, the diamond tip progressively penetrates the polymer coating, resulting in a deeper scratch track. When the critical load Lc is reached, the coating delaminates from the metal substrate.</p><p data-start="1333" data-end="1516">Sample 3 exhibits coating failure at Lc ≈ 126 mN, while Sample 4 fails at a higher load of Lc ≈ 173 mN. This difference indicates stronger adhesion of the coating in Sample 4.</p><p data-start="1518" data-end="1773">The measured critical loads enable quantitative comparison of coating adhesion performance. Under the same testing conditions, the coating on Sample 4 demonstrates higher resistance to delamination, making it the better-performing candidate in this study.</p>								</div>
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															<img loading="lazy" decoding="async" width="1794" height="966" src="https://nanovea.com/wp-content/uploads/2026/03/stent-groove-coating-failure-sample3-nano-scratch-126mn.jpg" class="attachment-full size-full wp-image-26300" alt="stent groove coating failure sample 3 nano scratch 126 mN adhesion testing" />															</div>
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									<p>(c) Sample 3 – Coating Failure in Groove (Lc ≈ 126 mN)</p>								</div>
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															<img loading="lazy" decoding="async" width="1794" height="966" src="https://nanovea.com/wp-content/uploads/2026/03/stent-groove-coating-high-adhesion-sample4-nano-scratch-173mn.jpg" class="attachment-full size-full wp-image-26301" alt="stent groove coating adhesion sample 4 nano scratch 173 mN minimal failure testing" />															</div>
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									<p>(d) Sample 4 – Higher Adhesion in Groove (Lc ≈ 173 mN)</p>								</div>
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									<p style="text-align: center;"><span class="fontstyle0" style="color: #1b96cf;">Fig. 7: </span>Nano scratch tracks inside stent grooves for Samples 3 and 4, showing (c) coating failure at Lc ≈ 126 mN in Sample 3 and (d) higher adhesion with delayed failure at Lc ≈ 173 mN in Sample 4.</p>								</div>
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															<img loading="lazy" decoding="async" width="1500" height="680" src="https://nanovea.com/wp-content/uploads/2026/03/nano-scratch-load-depth-sample3-grooved-stent-failure.jpg" class="attachment-full size-full wp-image-26302" alt="" />															</div>
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									<p>(a) Sample 3 – Earlier Coating Failure (Lc ≈ 126 mN)</p>								</div>
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															<img loading="lazy" decoding="async" width="1500" height="680" src="https://nanovea.com/wp-content/uploads/2026/03/nano-scratch-load-depth-sample4-grooved-stent-high-adhesion.jpg" class="attachment-full size-full wp-image-26303" alt="" />															</div>
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									<p data-start="319" data-end="387">(b) Sample 4 – Delayed Failure and Higher Adhesion (Lc ≈ 173 mN)</p>								</div>
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									<p style="text-align: center;"><span class="fontstyle0" style="color: #1b96cf;">Fig. 8: </span>Evolution of normal load and penetration depth during nano scratch testing inside stent grooves for Samples 3 and 4, showing earlier coating failure in Sample 3 and delayed failure at higher load in Sample 4. The vertical green line indicates the critical load (Lc) where coating delamination occurs.</p>								</div>
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					<h2 class="elementor-heading-title elementor-size-default">結論</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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					<h2 class="elementor-heading-title elementor-size-default">参考文献</h2>				</div>
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									<p data-start="414" data-end="843"><em>[I] http://www.nhlbi.nih.gov/health/health-topics/topics/stents</em><br /><em>[II] http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S1405-99402006000300008 </em></p>								</div>
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					<h2 class="elementor-heading-title elementor-size-default">Frequently Asked Questions About Stent Coating Adhesion Testing</h2>				</div>
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					<h3 class="elementor-heading-title elementor-size-default">What is stent coating adhesion testing?</h3>				</div>
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									<p data-start="168" data-end="494">Stent coating adhesion testing evaluates how strongly a polymer coating is bonded to the metal substrate of a stent. Techniques such as nano scratch testing quantify the load at which coating damage and delamination occur, providing measurable indicators of adhesion strength.</p>								</div>
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					<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/ja/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/ja">NANOVEA: Advanced Profilometers, Tribometers, Nanoindenters, and Scratch Testers for Materials Testing</a>.</p>
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		<title>Dental Surface Roughness Measurement &#038; 3D Tooth Topography</title>
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		<dc:creator><![CDATA[Andrew Shore]]></dc:creator>
		<pubdate>Thu, 05 Mar 2026 21:02:01 +0000</pubdate>
				<category><![CDATA[Application Notes]]></category>
		<category><![CDATA[Laboratory Testing]]></category>
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					<description><![CDATA[<p>Application Note &#124; Dental Surface Characterization Dental Surface Roughness Measurement and Full 3D Tooth Topography Surface Roughness Analysis Using Non-Contact Optical Profilometry Request Surface Analysis Ask an Expert Live Prepared by Walter Alabiso, PhD; Davide Morrone, MPhys; Andrew Shore, MA Introduction The ability to accurately characterize tooth surfaces, including micro-roughness and 3D surface topography at 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 [&#8230;]</p>
<p>The post <a href="https://nanovea.com/ja/dental-surface-roughness-measurement-3d-tooth-topography/">Dental Surface Roughness Measurement &#038; 3D Tooth Topography</a> appeared first on <a href="https://nanovea.com/ja">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">作成者</p>				</div>
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					<p class="elementor-heading-title elementor-size-default">Walter Alabiso, PhD; Davide Morrone, MPhys; Andrew Shore, MA</p>				</div>
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		</section>
				<section class="elementor-section elementor-top-section elementor-element elementor-element-b5911d1 elementor-section-content-middle elementor-reverse-mobile elementor-reverse-tablet elementor-section-boxed elementor-section-height-default elementor-section-height-default" data-id="b5911d1" data-element_type="section" data-settings="{&quot;background_background&quot;:&quot;classic&quot;}">
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					<h2 class="elementor-heading-title elementor-size-default">はじめに</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"> 詳細はこちら <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">このアプリケーションでは <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 />ナノビア <span style="font-size: 20pt; color: #1b96cf;">JR25 Portable</span><br />光学式表面形状計</p>								</div>
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																<a href="https://nanovea.com/instruments/j/">
							<img loading="lazy" decoding="async" width="300" height="264" src="https://nanovea.com/wp-content/uploads/2026/01/nanovea-jr25-portable-optical-profilometer.jpg" class="elementor-animation-grow attachment-medium size-medium wp-image-25699" alt="NANOVEA JR25 portable optical profilometer for non-contact surface measurement" />								</a>
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					<h2 class="elementor-heading-title elementor-size-default">Surface Measurement Using NANOVEA Optical Profilometer</h2>				</div>
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									<p data-start="914" data-end="1026">Surface roughness measurements were performed on the lateral side of the molar crown, followed by full 3D reconstruction of the crown surface. Separate single-point optical sensors were used to optimize measurement accuracy for both localized roughness analysis and large-area surface topography acquisition.</p>								</div>
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									<p>PS2 – MG140</p>								</div>
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															<img loading="lazy" decoding="async" width="351" height="465" src="https://nanovea.com/wp-content/uploads/2026/03/optical-profilometer-dental-surface-roughness-measurement.jpg" class="attachment-large size-large wp-image-26123" alt="" />															</div>
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									<p>Surface roughness analysis by area and parallel line profiles on the side of the tooth’s crown.</p>								</div>
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									<p>PS5 – MG35</p>								</div>
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															<img loading="lazy" decoding="async" width="351" height="465" src="https://nanovea.com/wp-content/uploads/2026/03/3d-tooth-topography-measurement-optical-profilometer.jpg" class="attachment-large size-large wp-image-26122" alt="" />															</div>
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									<p>Full 3D surface reconstruction of the tooth’s crown.</p>								</div>
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					<h2 class="elementor-heading-title elementor-size-default">測定パラメータ</h2>				</div>
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									<p data-start="1228" data-end="1620">The following measurement parameters were used for localized surface roughness analysis and full 3D surface reconstruction of the molar crown using NANOVEA single-point optical sensors.</p>								</div>
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									<div class="measurement-table-wrapper"><table class="measurement-table"><thead><tr><th>Parameter</th><th>Roughness Analysis (Area)</th><th>Roughness Analysis (Profiles)</th><th>Full 3D Reconstruction</th></tr></thead><tbody><tr><td>Optical Pen</td><td>PS2-MG140</td><td>PS2-MG140</td><td>PS5-MG35</td></tr><tr><td>Z-Range [µm]</td><td>300</td><td>300</td><td>10000</td></tr><tr><td>X-Distance [mm]</td><td>2.00</td><td>3.00</td><td>7.50</td></tr><tr><td>X-Step Size [µm]</td><td>1.70</td><td>1.70</td><td>10.00</td></tr><tr><td>Y-Distance [mm]</td><td>2.00</td><td>1.00</td><td>7.00</td></tr><tr><td>Y-Step Size [µm]</td><td>1.70</td><td>100.00</td><td>10.00</td></tr><tr><td>Average (Avg)</td><td>1</td><td>1</td><td>1</td></tr><tr><td>Measurement Type</td><td>Direct</td><td>Direct</td><td>Direct</td></tr><tr><td>Acquisition Mode</td><td>Single Frequency</td><td>Single Frequency</td><td>Double Frequency</td></tr><tr><td>Acquisition Rate [Hz]</td><td>200</td><td>200</td><td>100–400</td></tr><tr><td>Light Intensity [%]</td><td>100</td><td>100</td><td>100</td></tr></tbody></table></div>								</div>
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					<h2 class="elementor-heading-title elementor-size-default">Optical Profilometry Results</h2>				</div>
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					<h3 class="elementor-heading-title elementor-size-default">Surface Roughness Analysis (Area)</h3>				</div>
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									<p data-start="548" data-end="837">The PS2 single-point optical sensor was used to investigate fine surface features on the side of the tooth. The image below shows a false-color 2D surface map of the scanned region obtained by non-contact optical profilometry.</p>								</div>
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															<img loading="lazy" decoding="async" width="1162" height="906" src="https://nanovea.com/wp-content/uploads/2026/03/tooth-scanned-region-2d-height-map.jpg" class="attachment-full size-full wp-image-26127" alt="False-color 2D height map of scanned tooth surface region" />															</div>
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									<p data-start="548" data-end="837">A least-squares degree-8 polynomial form removal was applied to isolate the surface roughness component. The roughness filters S-Gaussian 2.5 µm and L-Gaussian 0.8 mm were then applied according to ISO 25178. The resulting filtered surface and corresponding roughness parameters are presented below.</p>								</div>
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															<img loading="lazy" decoding="async" width="950" height="748" src="https://nanovea.com/wp-content/uploads/2026/03/tooth-surface-roughness-iso-25178-filtered-map.jpg" class="attachment-full size-full wp-image-26133" alt="" />															</div>
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									<div class="iso-roughness-table-wrapper"><table class="iso-roughness-table"><tbody><!-- Filter Settings --><tr class="section-header"><td colspan="4">ISO 25178 – Roughness (S-L)</td></tr><tr><td colspan="4"><strong>S-filter (λs):</strong> Gaussian, 2.5 µm</td></tr><tr><td colspan="4"><strong>F:</strong> [Workflow] Form removed (LS-poly 8)</td></tr><tr><td colspan="4"><strong>L-filter (λc):</strong> Gaussian, 0.8 mm</td></tr><!-- Height Parameters Header --><tr class="section-header"><td colspan="4">Height Parameters</td></tr><!-- Height Parameter Rows --><tr><td class="param-code">スク</td><td>2.433</td><td>µm</td><td>二乗平均平方根の高さ</td></tr><tr><td class="param-code">エスケープ</td><td>-0.102</td><td> </td><td>歪度</td></tr><tr><td class="param-code">スクー</td><td>3.715</td><td> </td><td>クルトーシス</td></tr><tr><td class="param-code">Sp</td><td>18.861</td><td>µm</td><td>最大ピーク高さ</td></tr><tr><td class="param-code">エスブイ</td><td>16.553</td><td>µm</td><td>Maximum pit depth</td></tr><tr><td class="param-code">エスエス</td><td>35.414</td><td>µm</td><td>最高高さ</td></tr><tr><td class="param-code">サ</td><td>1.888</td><td>µm</td><td>算術平均身長</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> なし</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> なし</div><div><strong>S-filter (λs):</strong> Gaussian, 2.5 µm</div><div><strong>L-filter (λc):</strong> Gaussian, 0.8 mm</div><div><strong>Evaluation length:</strong> All λc (3)</div></div><div class="iso-profile-card-section">Amplitude Parameters – Roughness Profile</div><div class="iso-profile-card"><div class="iso-profile-card-title"><span class="badge">Rp</span><span class="unit">µm</span></div><div class="desc">Maximum peak height of the roughness profile</div><div class="grid"><div>Mean<strong>5.683</strong></div><div>Std dev<strong>0.761</strong></div><div>Min<strong>4.315</strong></div><div>Max<strong>6.610</strong></div></div></div><div class="iso-profile-card"><div class="iso-profile-card-title"><span class="badge">Rv</span><span class="unit">µm</span></div><div class="desc">Maximum valley depth of the roughness profile</div><div class="grid"><div>Mean<strong>6.242</strong></div><div>Std dev<strong>1.009</strong></div><div>Min<strong>4.701</strong></div><div>Max<strong>8.438</strong></div></div></div><div class="iso-profile-card"><div class="iso-profile-card-title"><span class="badge">Rz</span><span class="unit">µm</span></div><div class="desc">Maximum height of roughness profile</div><div class="grid"><div>Mean<strong>11.925</strong></div><div>Std dev<strong>1.676</strong></div><div>Min<strong>9.123</strong></div><div>Max<strong>15.048</strong></div></div></div><div class="iso-profile-card"><div class="iso-profile-card-title"><span class="badge">Ra</span><span class="unit">µm</span></div><div class="desc">Arithmetic mean deviation of the roughness profile</div><div class="grid"><div>Mean<strong>2.063</strong></div><div>Std dev<strong>0.297</strong></div><div>Min<strong>1.710</strong></div><div>Max<strong>2.629</strong></div></div></div><div class="iso-profile-card"><div class="iso-profile-card-title"><span class="badge">Rq</span><span class="unit">µm</span></div><div class="desc">Root-mean-square (RMS) deviation of the roughness profile</div><div class="grid"><div>Mean<strong>2.523</strong></div><div>Std dev<strong>0.361</strong></div><div>Min<strong>2.057</strong></div><div>Max<strong>3.175</strong></div></div></div></div></div>								</div>
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									<p data-start="184" data-end="276">The value of Ra is consistent with the Sa value extracted from the surface area measurement.</p><p data-start="278" data-end="659">Different metrological filters can be applied to distinguish between macroscopic waviness and microscopic surface roughness. For example, a coarser filter cut-off, such as the 8 mm cut-off used with the Robust Gaussian order-2 filter, produces a smoother waviness profile (red) that is less sensitive to sharp local variations and follows the original surface profile more loosely.</p>								</div>
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															<img loading="lazy" decoding="async" width="1855" height="800" src="https://nanovea.com/wp-content/uploads/2026/03/tooth-surface-waviness-vs-roughness-filter-comparison.jpg" class="attachment-full size-full wp-image-26158" alt="Comparison of waviness and roughness profiles on tooth surface using coarse filter" />															</div>
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									<p data-start="548" data-end="837">Alternatively, a finer cut-off (e.g., 0.08 mm) enables the analysis of micro-roughness by removing the waviness component that follows the original profile at a larger scale, leaving the finer surface roughness features of the tooth visible.</p>								</div>
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															<img loading="lazy" decoding="async" width="1853" height="790" src="https://nanovea.com/wp-content/uploads/2026/03/tooth-surface-microroughness-profile-filtering.jpg" class="attachment-full size-full wp-image-26159" alt="" />															</div>
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									<p data-start="548" data-end="837">The microroughness analysis obtained using a 0.08 mm L-Gaussian filter is presented below.</p>								</div>
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															<img loading="lazy" decoding="async" width="1200" height="431" src="https://nanovea.com/wp-content/uploads/2026/03/tooth-surface-microroughness-final-profile.jpg" class="attachment-full size-full wp-image-26160" alt="Final microroughness profile of tooth surface after filtering" />															</div>
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									<div class="iso-profile-wrapper"><p><!-- Desktop / wide screens --></p><table class="iso-profile-table iso-profile-desktop"><colgroup> <col class="col-code" /> <col class="col-unit" /> <col class="col-desc" /> <col class="col-num" /> <col class="col-num" /> <col class="col-num" /> <col class="col-num" /> </colgroup><tbody><tr class="iso-profile-section"><td colspan="7">ISO 4287 – Roughness (S-L)</td></tr><tr class="iso-profile-meta"><td colspan="7"><strong>F:</strong> なし</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> なし</div><div><strong>S-filter (λs):</strong> Gaussian, 2.5 µm</div><div><strong>L-filter (λc):</strong> Gaussian, 0.8 mm</div><div><strong>Evaluation length:</strong> All λc (3)</div></div><div class="iso-profile-card-section">Amplitude Parameters – Roughness Profile</div><div class="iso-profile-card"><div class="iso-profile-card-title"><span class="badge">Rp</span><span class="unit">µm</span></div><div class="desc">Maximum peak height of the roughness profile</div><div class="grid"><div>Mean<strong>5.683</strong></div><div>Std dev<strong>0.761</strong></div><div>Min<strong>4.315</strong></div><div>Max<strong>6.610</strong></div></div></div><div class="iso-profile-card"><div class="iso-profile-card-title"><span class="badge">Rv</span><span class="unit">µm</span></div><div class="desc">Maximum valley depth of the roughness profile</div><div class="grid"><div>Mean<strong>6.242</strong></div><div>Std dev<strong>1.009</strong></div><div>Min<strong>4.701</strong></div><div>Max<strong>8.438</strong></div></div></div><div class="iso-profile-card"><div class="iso-profile-card-title"><span class="badge">Rz</span><span class="unit">µm</span></div><div class="desc">Maximum height of roughness profile</div><div class="grid"><div>Mean<strong>11.925</strong></div><div>Std dev<strong>1.676</strong></div><div>Min<strong>9.123</strong></div><div>Max<strong>15.048</strong></div></div></div><div class="iso-profile-card"><div class="iso-profile-card-title"><span class="badge">Ra</span><span class="unit">µm</span></div><div class="desc">Arithmetic mean deviation of the roughness profile</div><div class="grid"><div>Mean<strong>2.063</strong></div><div>Std dev<strong>0.297</strong></div><div>Min<strong>1.710</strong></div><div>Max<strong>2.629</strong></div></div></div><div class="iso-profile-card"><div class="iso-profile-card-title"><span class="badge">Rq</span><span class="unit">µm</span></div><div class="desc">Root-mean-square (RMS) deviation of the roughness profile</div><div class="grid"><div>Mean<strong>2.523</strong></div><div>Std dev<strong>0.361</strong></div><div>Min<strong>2.057</strong></div><div>Max<strong>3.175</strong></div></div></div></div></div>								</div>
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					<h3 class="elementor-heading-title elementor-size-default">Full 3D Tooth Surface Topography Reconstruction</h3>				</div>
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									<p data-start="548" data-end="837">The extended Z-scan range of the PS5 optical sensor enables high-fidelity scanning of the entire tooth crown surface. The resulting 3D surface topography is shown below.</p>								</div>
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															<img loading="lazy" decoding="async" width="469" height="348" src="https://nanovea.com/wp-content/uploads/2026/03/tooth-crown-surface-topography-3d-optical-profilometry.jpg" class="attachment-full size-full wp-image-26172" alt="False-color surface topography map of full tooth crown measured with optical profilometer" />															</div>
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									<p style="text-align: center;"><span class="fontstyle0" style="color: #1b96cf;">2D VIEW: </span>2D surface map of the tooth crown measured with optical profilometry</p>								</div>
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															<img loading="lazy" decoding="async" width="1200" height="930" src="https://nanovea.com/wp-content/uploads/2026/03/molar-crown-3d-surface-reconstruction-profilometer.jpg" class="attachment-full size-full wp-image-26173" alt="3D surface reconstruction of molar crown from optical profilometer scan" />															</div>
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									<p style="text-align: center;"><span class="fontstyle0" style="color: #1b96cf;">3D VIEW: </span>High-fidelity 3D rendering of the molar crown surface obtained with optical profilometry</p>								</div>
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					<h2 class="elementor-heading-title elementor-size-default">結論</h2>				</div>
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									<p data-start="401" data-end="560">In this application, the NANOVEA JR25 Non-Contact Optical Profiler was used to measure the surface roughness and 3D surface topography of an adult human molar.</p><p data-start="562" data-end="922">Both the area scan and the line profile analysis revealed a roughness Rq of approximately 2.5 µm and an Ra of about 1.9–2.0 µm. These values are consistent with results reported in the literature.³ The use of a narrower L-Gaussian filter with an 80 µm cut-off enabled further investigation of micro-roughness, revealing an Rq of 0.643 µm and an Ra of 0.495 µm.</p><p data-start="924" data-end="1270">The full 3D surface topography of the molar crown was reconstructed with high fidelity. The high measurement resolution allows detection of fine surface features and crevices. The resulting surface data can be easily processed and exported as STL files, enabling the design and fabrication of customized dental devices and restorative components.</p>								</div>
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					<h2 class="elementor-heading-title elementor-size-default">参考文献</h2>				</div>
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									<p data-start="414" data-end="843"><em>[1] Shin, B.W., et al. Surface Roughness of Prefabricated Pediatric Zirconia Crowns Following Simulated Toothbrushing. Pediatric Dentistry 44.5 (2022): 363–367.</em><br /><em>[2] Bollen, C.M.L., Paul Lambrechts, and Marc Quirynen. Comparison of surface roughness of oral hard materials to the threshold surface roughness for bacterial plaque retention: A review of the literature. Dental Materials 13.4 (1997): 258–269.</em><br /><em>[3] Suputtamongkol, K., et al. Surface roughness resulting from wear of lithia-disilicate-based posterior crowns. Wear 269.3–4 (2010): 317–322.</em></p>								</div>
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					<h2 class="elementor-heading-title elementor-size-default">Frequently Asked Questions About Dental Surface Roughness Measurement</h2>				</div>
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					<h3 class="elementor-heading-title elementor-size-default">What is dental surface roughness measurement?</h3>				</div>
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									<p data-start="168" data-end="494">Dental surface roughness measurement quantifies the microscopic texture of tooth surfaces using parameters such as Ra, Rq, and Sa. Optical profilometers measure these features without contacting the surface, allowing accurate analysis of enamel, restorative materials, and dental crowns.</p>								</div>
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					<h3 class="elementor-heading-title elementor-size-default">Why use optical profilometry to measure tooth roughness?</h3>				</div>
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									<p data-start="168" data-end="494">Optical profilometry provides non-contact surface measurement with nanometer-scale vertical resolution. It captures 2D surface maps and full 3D surface topography of dental structures without damaging soft or polished surfaces.</p>								</div>
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					<h3 class="elementor-heading-title elementor-size-default">What roughness parameters are used for dental surface analysis?</h3>				</div>
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									<p data-start="168" data-end="494">Common roughness parameters include Ra (arithmetic mean roughness), Rq (root mean square roughness), Sa (areal roughness), and Sz (maximum surface height). These parameters help evaluate enamel wear, plaque adhesion risk, and the performance of restorative materials.</p>								</div>
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					<h3 class="elementor-heading-title elementor-size-default">Why is surface roughness important in dentistry?</h3>				</div>
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									<p data-start="168" data-end="494">Surface roughness affects plaque retention, wear resistance, and the long-term performance of dental restorations. Controlling micro-roughness can reduce bacterial adhesion and improve the durability of dental materials.</p>								</div>
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					<h2 class="elementor-heading-title elementor-size-default">Need Reliable Surface Roughness Measurement for Dental Materials?</h2>				</div>
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				</div><p>The post <a href="https://nanovea.com/ja/dental-surface-roughness-measurement-3d-tooth-topography/">Dental Surface Roughness Measurement &#038; 3D Tooth Topography</a> appeared first on <a href="https://nanovea.com/ja">NANOVEA: Advanced Profilometers, Tribometers, Nanoindenters, and Scratch Testers for Materials Testing</a>.</p>
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		<title>ポータブル3Dプロフィロメータによる溶接面検査</title>
		<link>https://nanovea.com/ja/%e3%83%9d%e3%83%bc%e3%82%bf%e3%83%96%e3%83%ab3d%e3%83%97%e3%83%ad%e3%83%95%e3%82%a3%e3%83%ad%e3%83%a1%e3%83%bc%e3%82%bf%e3%81%ab%e3%82%88%e3%82%8b%e6%ba%b6%e6%8e%a5%e9%9d%a2%e6%a4%9c%e6%9f%bb/?utm_source=rss&#038;utm_medium=rss&#038;utm_campaign=weld-surface-inspection-using-a-portable-3d-profilometer</link>
					<comments>https://nanovea.com/ja/%e3%83%9d%e3%83%bc%e3%82%bf%e3%83%96%e3%83%ab3d%e3%83%97%e3%83%ad%e3%83%95%e3%82%a3%e3%83%ad%e3%83%a1%e3%83%bc%e3%82%bf%e3%81%ab%e3%82%88%e3%82%8b%e6%ba%b6%e6%8e%a5%e9%9d%a2%e6%a4%9c%e6%9f%bb/#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 characteristics such as dimension/shape, volume, roughness, size etc. can all be measured for critical evaluation. IMPORTANCE OF 3D NON-CONTACT PROFILOMETER FOR WELD SURFACE INSPECTION Unlike other techniques such as touch probes or interferometry, the NANOVEA 3D Non-Contact Profilometer, using axial chromatism, can measure nearly any surface, sample sizes can vary widely due to open staging [&#8230;]</p>
<p>The post <a href="https://nanovea.com/ja/%e3%83%9d%e3%83%bc%e3%82%bf%e3%83%96%e3%83%ab3d%e3%83%97%e3%83%ad%e3%83%95%e3%82%a3%e3%83%ad%e3%83%a1%e3%83%bc%e3%82%bf%e3%81%ab%e3%82%88%e3%82%8b%e6%ba%b6%e6%8e%a5%e9%9d%a2%e6%a4%9c%e6%9f%bb/">Weld Surface Inspection Using a Portable 3D Profilometer</a> appeared first on <a href="https://nanovea.com/ja">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">溶接表面検査</h1>				</div>
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					<h2 class="elementor-heading-title elementor-size-default">ポータブル3Dプロフィロメーターによる</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">作成者</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">はじめに</h2>				</div>
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									<p>通常目視検査で行われる特定の溶接を、極めて高い精度で調査することが重要になる場合があります。精密分析の対象となる特定の領域には、その後の検査手順に関係なく、表面の亀裂、気孔、未充填のクレーターが含まれます。寸法・形状、体積、粗さ、サイズなどの溶接の特性はすべて、重要な評価のために測定することが可能です。</p>								</div>
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					<h2 class="elementor-heading-title elementor-size-default">溶接面検査における3D非接触プロフィロメータの重要性</h2>				</div>
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									<p>タッチプローブや干渉計などの他の技術とは異なり、NANOVEA <a href="https://nanovea.com/profilometers/">3D非接触形状計</a>軸色収差を使用するため、ほぼすべての表面を測定でき、オープンステージングによりサンプルサイズは大きく変化する可能性があり、サンプルの前処理は必要ありません。ナノからマクロの範囲は、サンプルの反射率や吸収の影響を受けずに表面プロファイル測定中に得られ、高い表面角度を測定する高度な機能を備えており、結果をソフトウェアで操作する必要はありません。透明、不透明、鏡面、拡散、研磨、粗いなど、あらゆる材質を簡単に測定できます。NANOVEA ポータブル表面形状計の 2D および 2D 機能により、実験室と現場の両方で完全な溶接表面検査を行うための理想的な機器となります。</p>								</div>
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				<section class="elementor-section elementor-top-section elementor-element elementor-element-1ac4bd1 elementor-reverse-mobile elementor-section-boxed elementor-section-height-default elementor-section-height-default" data-id="1ac4bd1" data-element_type="section">
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									<p style="text-align: left;">測定目的</p>								</div>
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									<p>このアプリケーションでは、ナノビアJR25 ポータブルプロファイラを使用して溶接部の表面粗さ、形状、体積、およびその周辺を測定しています。この情報は、溶接と溶接プロセスの品質を適切に調査するための重要な情報を提供することができます。</p>								</div>
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									<p style="text-align: left;">ナノビア</p>								</div>
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									<p style="text-align: left;">JR25</p>								</div>
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				<div class="elementor-element elementor-element-73dc4e0 elementor-align-left learn-more-about-instrument elementor-widget elementor-widget-button" data-id="73dc4e0" data-element_type="widget" data-widget_type="button.default">
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									<span class="elementor-button-text">詳しくはこちら</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">測定結果</h2>				</div>
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									<p>下の画像は、溶接部とその周辺の完全な3Dビューと、溶接部のみの表面パラメータを表示したものです。2D断面プロファイルは以下の通りです。</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>試供品</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>上記の2次元断面形状を3次元から削除し溶接部の寸法情報を以下に計算します。溶接部のみの表面積と材料の体積を計算します。</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;">ホール</strong></em></td><td style="width: 33.3333%;"><em><strong style="color: #1b96cf;">ピーク</strong></em></td></tr><tr><td style="width: 33.3333%; text-align: right;"><em><strong style="color: #1b96cf;">表面</strong></em></td><td style="width: 33.3333%;"><em><strong>1.01mm<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;">容積</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;">最大深さ/高さ</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;">平均深度・平均高さ</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">まとめ</h2>				</div>
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									<p>このアプリケーションでは、ナノビア3D非接触プロファイラが溶接部とその周辺表面領域の重要な特性を正確に評価できることを示しました。粗さ、寸法、体積から、品質と再現性の定量的な方法を決定し、またはさらに調査することができます。このアプリケーションノートの例のようなサンプル溶接は、社内またはフィールドテスト用の標準的なナノビア卓上又はポータブルプロファイラで簡単に分析することができます。</p>								</div>
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					<h2 class="elementor-heading-title elementor-size-default">同じようなアプリケーションをお持ちですか？</h2>				</div>
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				</div><p>The post <a href="https://nanovea.com/ja/%e3%83%9d%e3%83%bc%e3%82%bf%e3%83%96%e3%83%ab3d%e3%83%97%e3%83%ad%e3%83%95%e3%82%a3%e3%83%ad%e3%83%a1%e3%83%bc%e3%82%bf%e3%81%ab%e3%82%88%e3%82%8b%e6%ba%b6%e6%8e%a5%e9%9d%a2%e6%a4%9c%e6%9f%bb/">Weld Surface Inspection Using a Portable 3D Profilometer</a> appeared first on <a href="https://nanovea.com/ja">NANOVEA: Advanced Profilometers, Tribometers, Nanoindenters, and Scratch Testers for Materials Testing</a>.</p>
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		<title>3Dプロフィロメトリーによる破壊面解析</title>
		<link>https://nanovea.com/ja/%e3%83%95%e3%83%a9%e3%82%af%e3%83%88%e3%82%b0%e3%83%a9%e3%83%95%e3%82%a3-%e8%a7%a3%e6%9e%90-3d-%e3%83%97%e3%83%ad%e3%83%95%e3%82%a3%e3%83%ad%e3%83%a1%e3%83%88%e3%83%aa%e3%83%bc%e4%bd%bf%e7%94%a8/?utm_source=rss&#038;utm_medium=rss&#038;utm_campaign=fractography-analysis-using-3d-profilometry</link>
					<comments>https://nanovea.com/ja/%e3%83%95%e3%83%a9%e3%82%af%e3%83%88%e3%82%b0%e3%83%a9%e3%83%95%e3%82%a3-%e8%a7%a3%e6%9e%90-3d-%e3%83%97%e3%83%ad%e3%83%95%e3%82%a3%e3%83%ad%e3%83%a1%e3%83%88%e3%83%aa%e3%83%bc%e4%bd%bf%e7%94%a8/#respond</comments>
		
		<dc:creator><![CDATA[nanovea]]></dc:creator>
		<pubdate>火曜日, 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 the identification of the fracture mechanism type. Although effective, the Microscope has clear limitations and the SEM in most cases, other than atomic-level analysis, is unpractical for fracture surface measurement and lacks broader use capability. With advances in optical measurement technology, the NANOVEA 3D Non-Contact Profilometer is now considered the instrument of choice, with its [&#8230;]</p>
<p>The post <a href="https://nanovea.com/ja/%e3%83%95%e3%83%a9%e3%82%af%e3%83%88%e3%82%b0%e3%83%a9%e3%83%95%e3%82%a3-%e8%a7%a3%e6%9e%90-3d-%e3%83%97%e3%83%ad%e3%83%95%e3%82%a3%e3%83%ad%e3%83%a1%e3%83%88%e3%83%aa%e3%83%bc%e4%bd%bf%e7%94%a8/">Fractography Analysis Using 3D Profilometry</a> appeared first on <a href="https://nanovea.com/ja">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="18527" class="elementor elementor-18527" data-elementor-post-type="post">
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					<h2 class="elementor-heading-title elementor-size-default">フラクトグラフィー解析</h2>				</div>
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					<h2 class="elementor-heading-title elementor-size-default">3Dプロフィロメトリーによる</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">作成者</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">はじめに</h2>				</div>
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									<p>フラクトグラフィーは、破壊された表面の特徴を研究するもので、歴史的には顕微鏡または SEM を使用して調査されてきました。フィーチャのサイズに応じて、表面分析には顕微鏡 (マクロ フィーチャ) または SEM (ナノおよびマイクロ フィーチャ) が選択されます。どちらも最終的には破壊メカニズムのタイプを特定できるようになります。顕微鏡には効果的ではありますが、明らかな限界があり、SEM は原子レベルの分析を除いて、ほとんどの場合、破面測定には非実用的であり、広範な使用能力がありません。光学計測技術の進歩により、NANOVEA <a href="https://nanovea.com/profilometers/">3D非接触形状計</a> ナノスケールからマクロスケールまでの 2D および 3D 表面測定を提供する機能を備え、現在、最適な機器とみなされています</p>								</div>
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					<h2 class="elementor-heading-title elementor-size-default">亀裂検査における3D非接触プロフィロメータの重要性</h2>				</div>
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				<div class="elementor-element elementor-element-e74abb9 elementor-widget elementor-widget-text-editor" data-id="e74abb9" data-element_type="widget" data-widget_type="text-editor.default">
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									<p>SEMとは異なり、3D非接触プロフィロメータは、SEMよりも優れた垂直・水平方向の寸法を提供しながら、ほぼすべての表面、サンプルサイズ、最小限のサンプル前処理で測定することができます。プロファイラでは、ナノからマクロレンジの形状を一度の測定で捉えることができ、試料の反射率の影響を受けることはありません。透明、不透明、鏡面、拡散、研磨、粗面など、あらゆる材質を簡単に測定することができます。3D非接触プロフィロメータは、SEMの数分の一のコストで、表面破壊研究を最大化するための広範でユーザーフレンドリーな機能を提供します。</p>								</div>
				</div>
					</div>
		</div>
					</div>
		</section>
				<section class="elementor-section elementor-top-section elementor-element elementor-element-bbe0c25 elementor-reverse-mobile elementor-section-boxed elementor-section-height-default elementor-section-height-default" data-id="bbe0c25" data-element_type="section">
						<div class="elementor-container elementor-column-gap-default">
					<div class="elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-5bda47b" data-id="5bda47b" data-element_type="column">
			<div class="elementor-widget-wrap elementor-element-populated">
						<section class="elementor-section elementor-inner-section elementor-element elementor-element-5986dd7 elementor-reverse-mobile elementor-section-full_width elementor-reverse-tablet elementor-section-height-default elementor-section-height-default" data-id="5986dd7" data-element_type="section">
						<div class="elementor-container elementor-column-gap-no">
					<div class="elementor-column elementor-col-50 elementor-inner-column elementor-element elementor-element-77e62ae" data-id="77e62ae" data-element_type="column">
			<div class="elementor-widget-wrap elementor-element-populated">
						<div class="elementor-element elementor-element-ae83510 elementor-widget elementor-widget-text-editor" data-id="ae83510" data-element_type="widget" data-widget_type="text-editor.default">
				<div class="elementor-widget-container">
									<p style="text-align: left;">測定目的</p>								</div>
				</div>
				<div class="elementor-element elementor-element-5556e11 elementor-widget elementor-widget-text-editor" data-id="5556e11" data-element_type="widget" data-widget_type="text-editor.default">
				<div class="elementor-widget-container">
									<p>このアプリケーションでは、ナノビアST400を用いて鋼鉄サンプルの破断面を測定しています。3Dエリア、2Dプロファイル抽出、表面の方向性マップを紹介します。</p>								</div>
				</div>
				<div class="elementor-element elementor-element-7429702 elementor-widget elementor-widget-text-editor" data-id="7429702" data-element_type="widget" data-widget_type="text-editor.default">
				<div class="elementor-widget-container">
									<p style="text-align: left;">ナノビア</p>								</div>
				</div>
				<div class="elementor-element elementor-element-fda08d7 elementor-widget elementor-widget-text-editor" data-id="fda08d7" data-element_type="widget" data-widget_type="text-editor.default">
				<div class="elementor-widget-container">
									<p style="text-align: left;">ST400</p>								</div>
				</div>
				<div class="elementor-element elementor-element-48491b2 elementor-align-left learn-more-about-instrument elementor-widget elementor-widget-button" data-id="48491b2" data-element_type="widget" data-widget_type="button.default">
				<div class="elementor-widget-container">
									<div class="elementor-button-wrapper">
					<a class="elementor-button elementor-button-link elementor-size-xs" href="https://nanovea.com/instruments/st400" id="learn-more-about-instrument">
						<span class="elementor-button-content-wrapper">
									<span class="elementor-button-text">詳しくはこちら</span>
					</span>
					</a>
				</div>
								</div>
				</div>
					</div>
		</div>
				<div class="elementor-column elementor-col-50 elementor-inner-column elementor-element elementor-element-a6b67e5" data-id="a6b67e5" data-element_type="column">
			<div class="elementor-widget-wrap elementor-element-populated">
						<div class="elementor-element elementor-element-911a059 elementor-widget elementor-widget-image" data-id="911a059" data-element_type="widget" data-widget_type="image.default">
				<div class="elementor-widget-container">
																<a href="https://nanovea.com/instruments/st400">
							<img loading="lazy" decoding="async" width="768" height="756" src="https://nanovea.com/wp-content/uploads/2020/12/Nanovea-Customizable-Profilometer.png" class="elementor-animation-grow attachment-medium_large size-medium_large wp-image-9779" alt="タイヤのトレッド深さと表面粗さ解析用ナノベアST400 3D光学式プロフィロメーター" />								</a>
															</div>
				</div>
					</div>
		</div>
					</div>
		</section>
					</div>
		</div>
					</div>
		</section>
				<section class="elementor-section elementor-top-section elementor-element elementor-element-1979bac elementor-section-boxed elementor-section-height-default elementor-section-height-default" data-id="1979bac" data-element_type="section">
						<div class="elementor-container elementor-column-gap-no">
					<div class="elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-c969083" data-id="c969083" data-element_type="column">
			<div class="elementor-widget-wrap elementor-element-populated">
						<section class="elementor-section elementor-inner-section elementor-element elementor-element-e3eafc1 elementor-section-boxed elementor-section-height-default elementor-section-height-default" data-id="e3eafc1" data-element_type="section">
						<div class="elementor-container elementor-column-gap-default">
					<div class="elementor-column elementor-col-50 elementor-inner-column elementor-element elementor-element-b154808" data-id="b154808" data-element_type="column" data-settings="{&quot;background_background&quot;:&quot;classic&quot;}">
			<div class="elementor-widget-wrap elementor-element-populated">
						<div class="elementor-element elementor-element-9c67049 elementor-widget elementor-widget-heading" data-id="9c67049" data-element_type="widget" data-widget_type="heading.default">
				<div class="elementor-widget-container">
					<h2 class="elementor-heading-title elementor-size-default">結果</h2>				</div>
				</div>
					</div>
		</div>
				<div class="elementor-column elementor-col-50 elementor-inner-column elementor-element elementor-element-91f0b18" data-id="91f0b18" data-element_type="column">
			<div class="elementor-widget-wrap elementor-element-populated">
						<div class="elementor-element elementor-element-98d107e elementor-widget elementor-widget-heading" data-id="98d107e" data-element_type="widget" data-widget_type="heading.default">
				<div class="elementor-widget-container">
					<h2 class="elementor-heading-title elementor-size-default">表面</h2>				</div>
				</div>
					</div>
		</div>
					</div>
		</section>
				<section class="elementor-section elementor-inner-section elementor-element elementor-element-0621d2b elementor-section-boxed elementor-section-height-default elementor-section-height-default" data-id="0621d2b" data-element_type="section">
						<div class="elementor-container elementor-column-gap-default">
					<div class="elementor-column elementor-col-50 elementor-inner-column elementor-element elementor-element-ebb2dd6" data-id="ebb2dd6" data-element_type="column">
			<div class="elementor-widget-wrap elementor-element-populated">
						<div class="elementor-element elementor-element-e1f3ef4 elementor-widget elementor-widget-image" data-id="e1f3ef4" data-element_type="widget" data-widget_type="image.default">
				<div class="elementor-widget-container">
															<img loading="lazy" decoding="async" width="941" height="509" src="https://nanovea.com/wp-content/uploads/2022/04/Metal-Fracture-Analysis.jpg" class="attachment-large size-large wp-image-18497" alt="" />															</div>
				</div>
					</div>
		</div>
				<div class="elementor-column elementor-col-50 elementor-inner-column elementor-element elementor-element-ae400e8" data-id="ae400e8" data-element_type="column">
			<div class="elementor-widget-wrap elementor-element-populated">
						<div class="elementor-element elementor-element-d503459 elementor-widget elementor-widget-heading" data-id="d503459" data-element_type="widget" data-widget_type="heading.default">
				<div class="elementor-widget-container">
					<h2 class="elementor-heading-title elementor-size-default">3D表面テクスチャーの方向性</h2>				</div>
				</div>
				<div class="elementor-element elementor-element-5948908 elementor-widget elementor-widget-image" data-id="5948908" data-element_type="widget" data-widget_type="image.default">
				<div class="elementor-widget-container">
															<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>
				</div>
				<div class="elementor-element elementor-element-bdf5736 elementor-widget elementor-widget-text-editor" data-id="bdf5736" data-element_type="widget" data-widget_type="text-editor.default">
				<div class="elementor-widget-container">
									<table style="width: 100.868%;"><tbody><tr><td style="width: 65.1042%;">等方性</td><td style="width: 121.875%;">51.26%</td></tr><tr><td style="width: 65.1042%;">ファーストディレクション</td><td style="width: 121.875%;">123.2º</td></tr><tr><td style="width: 65.1042%;">セカンドディレクション</td><td style="width: 121.875%;">116.3º</td></tr><tr><td style="width: 65.1042%;">サードディレクション</td><td style="width: 121.875%;">0.1725º</td></tr></tbody></table>								</div>
				</div>
					</div>
		</div>
					</div>
		</section>
				<section class="elementor-section elementor-inner-section elementor-element elementor-element-f9fa7d0 elementor-section-boxed elementor-section-height-default elementor-section-height-default" data-id="f9fa7d0" data-element_type="section">
						<div class="elementor-container elementor-column-gap-default">
					<div class="elementor-column elementor-col-50 elementor-inner-column elementor-element elementor-element-a6715c2" data-id="a6715c2" data-element_type="column">
			<div class="elementor-widget-wrap elementor-element-populated">
						<div class="elementor-element elementor-element-ab1a26c elementor-widget elementor-widget-image" data-id="ab1a26c" data-element_type="widget" data-widget_type="image.default">
				<div class="elementor-widget-container">
															<img loading="lazy" decoding="async" width="854" height="273" src="https://nanovea.com/wp-content/uploads/2022/04/Fractography-Profilometer-Study.jpg" class="attachment-large size-large wp-image-18493" alt="" />															</div>
				</div>
				<div class="elementor-element elementor-element-ecc9c0a elementor-widget elementor-widget-text-editor" data-id="ecc9c0a" data-element_type="widget" data-widget_type="text-editor.default">
				<div class="elementor-widget-container">
									<p><span class="fontstyle0">この抽出液から表面積、体積、粗さなどを自動計算することができます。</span> </p>								</div>
				</div>
					</div>
		</div>
				<div class="elementor-column elementor-col-50 elementor-inner-column elementor-element elementor-element-6e6e18f" data-id="6e6e18f" data-element_type="column">
			<div class="elementor-widget-wrap elementor-element-populated">
						<div class="elementor-element elementor-element-56bc628 elementor-widget elementor-widget-heading" data-id="56bc628" data-element_type="widget" data-widget_type="heading.default">
				<div class="elementor-widget-container">
					<h2 class="elementor-heading-title elementor-size-default">2Dプロファイル抽出</h2>				</div>
				</div>
				<div class="elementor-element elementor-element-9bb102b elementor-widget elementor-widget-image" data-id="9bb102b" data-element_type="widget" data-widget_type="image.default">
				<div class="elementor-widget-container">
															<img loading="lazy" decoding="async" width="430" height="255" src="https://nanovea.com/wp-content/uploads/2022/04/Fractography-Analysis.jpg" class="attachment-large size-large wp-image-18491" alt="" />															</div>
				</div>
					</div>
		</div>
					</div>
		</section>
					</div>
		</div>
					</div>
		</section>
				<section class="elementor-section elementor-top-section elementor-element elementor-element-0d1d40f elementor-section-boxed elementor-section-height-default elementor-section-height-default" data-id="0d1d40f" data-element_type="section">
						<div class="elementor-container elementor-column-gap-no">
					<div class="elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-6cdc378" data-id="6cdc378" data-element_type="column">
			<div class="elementor-widget-wrap elementor-element-populated">
						<section class="elementor-section elementor-inner-section elementor-element elementor-element-d789db6 elementor-section-boxed elementor-section-height-default elementor-section-height-default" data-id="d789db6" data-element_type="section">
						<div class="elementor-container elementor-column-gap-default">
					<div class="elementor-column elementor-col-50 elementor-inner-column elementor-element elementor-element-d5d6ed5" data-id="d5d6ed5" data-element_type="column" data-settings="{&quot;background_background&quot;:&quot;classic&quot;}">
			<div class="elementor-widget-wrap elementor-element-populated">
						<div class="elementor-element elementor-element-c6154dc elementor-widget elementor-widget-heading" data-id="c6154dc" data-element_type="widget" data-widget_type="heading.default">
				<div class="elementor-widget-container">
					<h2 class="elementor-heading-title elementor-size-default">結果</h2>				</div>
				</div>
					</div>
		</div>
				<div class="elementor-column elementor-col-50 elementor-inner-column elementor-element elementor-element-90aed2e" data-id="90aed2e" data-element_type="column">
			<div class="elementor-widget-wrap elementor-element-populated">
						<div class="elementor-element elementor-element-c8b44fd elementor-widget elementor-widget-heading" data-id="c8b44fd" data-element_type="widget" data-widget_type="heading.default">
				<div class="elementor-widget-container">
					<h2 class="elementor-heading-title elementor-size-default">側面</h2>				</div>
				</div>
					</div>
		</div>
					</div>
		</section>
				<section class="elementor-section elementor-inner-section elementor-element elementor-element-cb0add2 elementor-section-boxed elementor-section-height-default elementor-section-height-default" data-id="cb0add2" data-element_type="section">
						<div class="elementor-container elementor-column-gap-default">
					<div class="elementor-column elementor-col-50 elementor-inner-column elementor-element elementor-element-a87ef75" data-id="a87ef75" data-element_type="column">
			<div class="elementor-widget-wrap elementor-element-populated">
						<div class="elementor-element elementor-element-e1e9f50 elementor-widget elementor-widget-image" data-id="e1e9f50" data-element_type="widget" data-widget_type="image.default">
				<div class="elementor-widget-container">
															<img loading="lazy" decoding="async" width="944" height="506" src="https://nanovea.com/wp-content/uploads/2022/04/Fractography-Profilometer-Analysis.jpg" class="attachment-large size-large wp-image-18492" alt="" />															</div>
				</div>
					</div>
		</div>
				<div class="elementor-column elementor-col-50 elementor-inner-column elementor-element elementor-element-31333af" data-id="31333af" data-element_type="column">
			<div class="elementor-widget-wrap elementor-element-populated">
						<div class="elementor-element elementor-element-42ad972 elementor-widget elementor-widget-heading" data-id="42ad972" data-element_type="widget" data-widget_type="heading.default">
				<div class="elementor-widget-container">
					<h2 class="elementor-heading-title elementor-size-default">3D表面テクスチャーの方向性</h2>				</div>
				</div>
				<div class="elementor-element elementor-element-3cd8889 elementor-widget elementor-widget-image" data-id="3cd8889" data-element_type="widget" data-widget_type="image.default">
				<div class="elementor-widget-container">
															<img loading="lazy" decoding="async" width="430" height="211" src="https://nanovea.com/wp-content/uploads/2022/04/Fracture-3D-Surface-Direction-Mapping.jpg" class="attachment-large size-large wp-image-18494" alt="" />															</div>
				</div>
				<div class="elementor-element elementor-element-5a5cbe4 elementor-widget elementor-widget-text-editor" data-id="5a5cbe4" data-element_type="widget" data-widget_type="text-editor.default">
				<div class="elementor-widget-container">
									<table style="width: 100.868%;"><tbody><tr><td style="width: 65.1042%;">等方性</td><td style="width: 121.875%;"><span class="fontstyle0">15.55</span>%</td></tr><tr><td style="width: 65.1042%;">ファーストディレクション</td><td style="width: 121.875%;"><span class="fontstyle0">0.1617</span>º</td></tr><tr><td style="width: 65.1042%;">セカンドディレクション</td><td style="width: 121.875%;"><span class="fontstyle0">110.5</span>º</td></tr><tr><td style="width: 65.1042%;">サードディレクション</td><td style="width: 121.875%;"><span class="fontstyle0">171.5</span>º</td></tr></tbody></table>								</div>
				</div>
					</div>
		</div>
					</div>
		</section>
				<section class="elementor-section elementor-inner-section elementor-element elementor-element-23d7308 elementor-section-boxed elementor-section-height-default elementor-section-height-default" data-id="23d7308" data-element_type="section">
						<div class="elementor-container elementor-column-gap-default">
					<div class="elementor-column elementor-col-50 elementor-inner-column elementor-element elementor-element-6a437c2" data-id="6a437c2" data-element_type="column">
			<div class="elementor-widget-wrap elementor-element-populated">
						<div class="elementor-element elementor-element-971463b elementor-widget elementor-widget-image" data-id="971463b" data-element_type="widget" data-widget_type="image.default">
				<div class="elementor-widget-container">
															<img loading="lazy" decoding="async" width="850" height="272" src="https://nanovea.com/wp-content/uploads/2022/04/Metal-Fracture-Measurement.jpg" class="attachment-large size-large wp-image-18499" alt="" />															</div>
				</div>
				<div class="elementor-element elementor-element-241bedb elementor-widget elementor-widget-text-editor" data-id="241bedb" data-element_type="widget" data-widget_type="text-editor.default">
				<div class="elementor-widget-container">
									<p><span class="fontstyle0">この抽出液から表面積、体積、粗さなどを自動計算することができます。</span> </p>								</div>
				</div>
					</div>
		</div>
				<div class="elementor-column elementor-col-50 elementor-inner-column elementor-element elementor-element-356dcd0" data-id="356dcd0" data-element_type="column">
			<div class="elementor-widget-wrap elementor-element-populated">
						<div class="elementor-element elementor-element-d21e858 elementor-widget elementor-widget-heading" data-id="d21e858" data-element_type="widget" data-widget_type="heading.default">
				<div class="elementor-widget-container">
					<h2 class="elementor-heading-title elementor-size-default">2Dプロファイル抽出</h2>				</div>
				</div>
				<div class="elementor-element elementor-element-5cc99d7 elementor-widget elementor-widget-image" data-id="5cc99d7" data-element_type="widget" data-widget_type="image.default">
				<div class="elementor-widget-container">
															<img loading="lazy" decoding="async" width="455" height="196" src="https://nanovea.com/wp-content/uploads/2022/04/Fracture-Profilometry-measurement.jpg" class="attachment-large size-large wp-image-18495" alt="" />															</div>
				</div>
					</div>
		</div>
					</div>
		</section>
					</div>
		</div>
					</div>
		</section>
				<section class="elementor-section elementor-top-section elementor-element elementor-element-33594e4 elementor-section-boxed elementor-section-height-default elementor-section-height-default" data-id="33594e4" data-element_type="section">
						<div class="elementor-container elementor-column-gap-wider">
					<div class="elementor-column elementor-col-50 elementor-top-column elementor-element elementor-element-d210e33" data-id="d210e33" data-element_type="column" data-settings="{&quot;background_background&quot;:&quot;classic&quot;}">
			<div class="elementor-widget-wrap">
							</div>
		</div>
				<div class="elementor-column elementor-col-50 elementor-top-column elementor-element elementor-element-2c902da" data-id="2c902da" data-element_type="column">
			<div class="elementor-widget-wrap elementor-element-populated">
						<div class="elementor-element elementor-element-f14abfc elementor-widget elementor-widget-spacer" data-id="f14abfc" data-element_type="widget" data-widget_type="spacer.default">
				<div class="elementor-widget-container">
							<div class="elementor-spacer">
			<div class="elementor-spacer-inner"></div>
		</div>
						</div>
				</div>
				<div class="elementor-element elementor-element-8843a9f elementor-widget elementor-widget-heading" data-id="8843a9f" data-element_type="widget" data-widget_type="heading.default">
				<div class="elementor-widget-container">
					<h2 class="elementor-heading-title elementor-size-default">まとめ</h2>				</div>
				</div>
				<div class="elementor-element elementor-element-18f7f2e elementor-widget elementor-widget-text-editor" data-id="18f7f2e" data-element_type="widget" data-widget_type="text-editor.default">
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									<p>このアプリケーションでは、ナノビアST400 3D非接触プロフィロメーターが、破砕表面の完全な地形（ナノ、マイクロ、マクロの特徴）を正確に特徴付けることができることを示しました。3D領域から、表面を明確に識別し、サブ領域またはプロファイル/クロスセクションを迅速に抽出し、表面計算の無限のリストを使用して分析することができます。サブナノメートルの表面形状は、統合されたAFMモジュールでさらに分析することができます。</p><p>さらに、ナノベアーのプロフィロメーターにはポータブルタイプもあり、特に亀裂の表面が動かないようなフィールド調査には欠かせないものとなっています。このように幅広い表面測定機能を備えているため、1台の装置で亀裂表面の分析がより簡単に、より便利になりました。</p>								</div>
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				</div><p>The post <a href="https://nanovea.com/ja/%e3%83%95%e3%83%a9%e3%82%af%e3%83%88%e3%82%b0%e3%83%a9%e3%83%95%e3%82%a3-%e8%a7%a3%e6%9e%90-3d-%e3%83%97%e3%83%ad%e3%83%95%e3%82%a3%e3%83%ad%e3%83%a1%e3%83%88%e3%83%aa%e3%83%bc%e4%bd%bf%e7%94%a8/">Fractography Analysis Using 3D Profilometry</a> appeared first on <a href="https://nanovea.com/ja">NANOVEA: Advanced Profilometers, Tribometers, Nanoindenters, and Scratch Testers for Materials Testing</a>.</p>
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		<title>トライボメータによるポリマーベルトの摩耗と摩擦の測定</title>
		<link>https://nanovea.com/ja/%e3%83%9d%e3%83%aa%e3%83%9e%e3%83%bc%e3%83%99%e3%83%ab%e3%83%88%e7%a3%a8%e8%80%97%e3%83%bb%e6%91%a9%e6%93%a6%e4%bd%bf%e7%94%a8%e3%83%88%e3%83%a9%e3%82%a4%e3%83%9c%e3%83%a1%e3%83%bc%e3%82%bf%e3%83%bc/?utm_source=rss&#038;utm_medium=rss&#038;utm_campaign=polymer-belt-wear-and-friction-using-tribometer</link>
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		<dc:creator><![CDATA[nanovea]]></dc:creator>
		<pubdate>Thu, 06 Jan 2022 21:24:20 +0000</pubdate>
				<category><![CDATA[Application Notes]]></category>
		<category><![CDATA[Laboratory Testing]]></category>
		<category><![CDATA[Linear Tribology]]></category>
		<category><![CDATA[Profilometry | Geometry and Shape]]></category>
		<category><![CDATA[Profilometry | Roughness and Finish]]></category>
		<category><![CDATA[Profilometry | Texture and Grain]]></category>
		<category><![CDATA[Profilometry Testing]]></category>
		<category><![CDATA[Tribology Testing]]></category>
		<guid ispermalink="false">https://nanovea.com/?p=16977</guid>

					<description><![CDATA[<p>POLYMER BELTS WEAR AND FRICTION USING a TRIBOMETER Prepared by DUANJIE LI, PhD INTRODUCTION Belt drive transmits power and tracks relative movement between two or more rotating shafts. As a simple and inexpensive solution with minimal maintenance, belt drives are widely used in a variety of applications, such as bucksaws, sawmills, threshers, silo blowers and conveyors. Belt drives can protect the machinery from overload as well as damp and isolate vibration. IMPORTANCE OF WEAR EVALUATION FOR BELT DRIVES Friction and wear are inevitable for the belts in a belt-driven machine. Sufficient friction ensures effective power transmission without slipping, but excessive friction may rapidly wear the belt. Different types of wear [&#8230;]</p>
<p>The post <a href="https://nanovea.com/ja/%e3%83%9d%e3%83%aa%e3%83%9e%e3%83%bc%e3%83%99%e3%83%ab%e3%83%88%e7%a3%a8%e8%80%97%e3%83%bb%e6%91%a9%e6%93%a6%e4%bd%bf%e7%94%a8%e3%83%88%e3%83%a9%e3%82%a4%e3%83%9c%e3%83%a1%e3%83%bc%e3%82%bf%e3%83%bc/">Polymer Belt Wear and Friction using a Tribometer</a> appeared first on <a href="https://nanovea.com/ja">NANOVEA: Advanced Profilometers, Tribometers, Nanoindenters, and Scratch Testers for Materials Testing</a>.</p>
]]></description>
										<content:encoded><![CDATA[<div data-elementor-type="wp-post" data-elementor-id="16977" class="elementor elementor-16977" data-elementor-post-type="post">
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					<h2 class="elementor-heading-title elementor-size-default">ポリマーベルト</h2>				</div>
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					<h2 class="elementor-heading-title elementor-size-default">トライボメータによる摩耗と摩擦</h2>				</div>
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															<img loading="lazy" decoding="async" width="768" height="217" src="https://nanovea.com/wp-content/uploads/2022/01/Polymer-Belts-Wear-Testing.jpg" class="attachment-medium_large size-medium_large wp-image-16979" alt="" />															</div>
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					<h2 class="elementor-heading-title elementor-size-default">作成者</h2>				</div>
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					<h2 class="elementor-heading-title elementor-size-default">DUANJIE LI, PhD</h2>				</div>
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					<h2 class="elementor-heading-title elementor-size-default">はじめに</h2>				</div>
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									<p>ベルトドライブは、2つ以上の回転軸の間で動力を伝達し、相対的な動きを追跡します。ベルトドライブはメンテナンスが最小限で済むシンプルで安価なソリューションとして、バックスソー、製材所、脱穀機、サイロブロワー、コンベアなど様々な用途で広く使用されています。ベルトドライブは過負荷から機械を保護するだけでなく、振動を減衰させ、分離することができます。</p>								</div>
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					<h2 class="elementor-heading-title elementor-size-default">摩耗評価の重要性
ベルトドライブの摩耗評価の重要性</h2>				</div>
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									<p>ベルト駆動の機械ではベルトの摩擦と摩耗が避けられません。十分な摩擦があればスリップすることなく効果的に動力を伝達できますが、過度の摩擦はベルトを急速に摩耗させる可能性があります。ベルトドライブの運転中は、疲労、摩耗、摩擦などさまざまな種類の摩耗が発生します。ベルトの寿命を延ばし、ベルトの修理や交換にかかる費用と時間を削減するためには、ベルトの摩耗性能を確実に評価することがベルトの寿命、生産効率、アプリケーションの性能を向上させるために重要です。ベルトの摩擦係数や摩耗量を正確に測定することで、ベルトの研究開発や品質管理が容易になります。</p>								</div>
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																<a href="https://nanovea.com/instruments/t2000/">
							<img loading="lazy" decoding="async" width="768" height="711" src="https://nanovea.com/wp-content/uploads/2020/12/T2000-Superior-Tribometer.png" class="elementor-animation-grow attachment-medium_large size-medium_large wp-image-9913" alt="高荷重空気圧式トライボメーター" />								</a>
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									<p style="text-align: left;">測定目的</p>								</div>
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									<p style="text-align: left;"><span class="fontstyle0">この研究では、異なる表面テクスチャを持つベルトの摩耗挙動をシミュレーションして比較し、その能力を紹介します。 </span><span class="fontstyle2">ナノビア </span><span class="fontstyle0">T2000トライボメータは、ベルトの摩耗プロセスを制御・監視しながらシミュレートすることができます。</span></p>								</div>
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									<p style="text-align: left;">ナノビア</p>								</div>
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									<p style="text-align: left;">T2000</p>								</div>
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									<span class="elementor-button-text">詳しくはこちら</span>
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					<h2 class="elementor-heading-title elementor-size-default">試験方法</h2>				</div>
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									<p><span class="fontstyle0">表面粗さとテクスチャーの異なる2種類のベルトについて，摩擦係数COFと耐摩耗性を評価したました。 </span><span class="fontstyle2">ナノビア </span><span class="fontstyle0">高負荷 <a href="https://nanovea.com/tribometers/">トライボメータ </a>直線往復摩耗モジュールを使用。カウンター材としてスチール 440 ボール (直径 10 mm) を使用しました。統合された測定器を使用して表面粗さと摩耗痕跡を検査しました。 <a href="https://nanovea.com/profilometers/">3D非接触表面形状計</a>。摩耗率、 </span><span class="fontstyle2">K</span><span class="fontstyle0">の式で評価した。 </span><span class="fontstyle2">K=Vl(Fxs)</span><span class="fontstyle0">で、ここで </span><span class="fontstyle2">V </span><span class="fontstyle0">は摩耗量です。 </span><span class="fontstyle2">F </span><span class="fontstyle0">は法線荷重であり </span><span class="fontstyle2">s </span><span class="fontstyle0">は滑走距離である。</span></p><p> </p><p><span class="fontstyle0">なお、今回は平滑なスチール440のボールを例としていますが、形状や表面仕上げの異なるあらゆる固体材料をカスタムフィクスチャーを使用して実際のアプリケーション状況をシミュレートして適用することが可能です。</span></p>								</div>
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															<img loading="lazy" decoding="async" width="759" height="428" src="https://nanovea.com/wp-content/uploads/2022/01/Polymer-Belts-Wear-and-Friction.jpg" class="attachment-large size-large wp-image-16988" alt="" />															</div>
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															<img loading="lazy" decoding="async" width="758" height="514" src="https://nanovea.com/wp-content/uploads/2022/01/Polymer-Belts-Tribometer.jpg" class="attachment-large size-large wp-image-16987" alt="" />															</div>
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					<h2 class="elementor-heading-title elementor-size-default">結果・考察</h2>				</div>
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									<p><span class="fontstyle0">分析した表面プロファイルによるとテクスチャーベルトとスムースベルトの表面粗さRaはそれぞれ33.5と8.7umでした。 </span><span class="fontstyle2">ナノビア </span><span class="fontstyle0">3D非接触光学式プロファイラｰ試験した2つのベルトのCOFと摩耗率をそれぞれ10Nと100Nで測定し、異なる荷重でのベルトの摩耗挙動を比較しました。</span></p>								</div>
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									<p><span class="fontstyle0">図1 </span><span class="fontstyle2">図1は摩耗試験中のベルトのCOFの変化を示します。異なるテクスチャを持つベルトは実質的に異なる摩耗挙動を示しています。興味深いことに、COFが徐々に増加する慣らし運転期間の後、テクスチャーベルトは10Nと100Nの荷重で行った試験の両方で、〜0.5という低いCOFに達しました。これに対し、10Nの荷重で試験したスムースベルトは、COFが安定すると〜1.4という著しく高いCOFを示し、試験の残りの間はこの値を維持します。100Nの荷重で試験した平滑ベルトは、鋼球440によって急速に摩耗し、大きな摩耗痕が形成されました。そのため試験は220回転で停止しました。</span></p>								</div>
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															<img loading="lazy" decoding="async" width="571" height="472" src="https://nanovea.com/wp-content/uploads/2022/01/Polymer-Belts-COF.jpg" class="attachment-large size-large wp-image-16980" alt="" />															</div>
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									<p style="text-align: center;"><span class="fontstyle0" style="color: #1b96cf;">図1:</span><span class="fontstyle0" style="color: #1b96cf;"><span style="color: #000000;"><span class="fontstyle0"> 異なる負荷におけるベルトのCOFの進化。
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									<p>図2は100Nの試験後の3次元摩耗痕画像の比較です。ナノビア3次元非接触プロフィロメータは摩耗痕の詳細な形状を解析するツールを提供し、摩耗メカニズムの基礎的な理解に役立つ情報を提供します。</p>								</div>
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															<img loading="lazy" decoding="async" width="602" height="150" src="https://nanovea.com/wp-content/uploads/2022/01/Polymer-Belts-Coefficient-of-Friction.jpg" class="attachment-large size-large wp-image-16991" alt="" />															</div>
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									<p style="text-align: center;"><span class="fontstyle0" style="color: #1b96cf;">表1:</span><span class="fontstyle0" style="color: #1b96cf;"><span style="color: #000000;"><span class="fontstyle0"> 摩耗痕の解析結果
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															<img loading="lazy" decoding="async" width="586" height="411" src="https://nanovea.com/wp-content/uploads/2022/01/Polymer-Belts-Profilometer-scan.jpg" class="attachment-large size-large wp-image-16983" alt="" />															</div>
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									<p style="text-align: center;"><span style="color: #1b96cf;">図2:</span><span style="color: #1b96cf;"><span style="color: #000000;">  <span class="fontstyle0">2本のベルトの3Dビュー<br />100Nでの試験後。</span></span></span></p>								</div>
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									<p class="MsoNormal">3D摩耗痕プロファイルにより、表1に示すように高度な解析ソフトウェアで計算された摩耗痕の体積を直接かつ正確に決定することができます。220回転の摩耗試験では、スムースベルトの摩耗痕は75.7mm3と非常に大きく深くなっているのに対し、600回転の摩耗試験ではテクスチャーベルトの摩耗痕は14.0mm3となっています。スチールボールに対するスムースベルトの摩擦が非常に大きいため、テクスチャーベルトと比較して15倍の摩耗量となりました。</p><p class="MsoNormal"> </p><p class="MsoNormal">このようにテクスチャーベルトとスムースベルトのCOFが大きく異なるのは、ベルトと鋼球の接触面積の大きさが関係していると考えられ、それが両者の摩耗性能の違いにもつながっていると考えられます。図3は2つのベルトの摩耗痕を光学顕微鏡で観察したものです。摩耗痕の検査はCOFの変遷に関する観察と一致しています。100Nで行った摩耗試験では、テクスチャーベルトとスムースベルトの両方にかなり大きな摩耗痕ができ、次の段落で述べるように、3Dプロファイルを用いて摩耗率を計算することになります。</p>								</div>
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															<img loading="lazy" decoding="async" width="490" height="470" src="https://nanovea.com/wp-content/uploads/2022/01/Polymer-Belts-Wear-Test.jpg" class="attachment-large size-large wp-image-16989" alt="" />															</div>
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															<img loading="lazy" decoding="async" width="491" height="472" src="https://nanovea.com/wp-content/uploads/2022/01/Polymer-Belts-Friction-Test.jpg" class="attachment-large size-large wp-image-16981" alt="" />															</div>
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															<img loading="lazy" decoding="async" width="491" height="472" src="https://nanovea.com/wp-content/uploads/2022/01/Polymer-Belts-Tribology-Test.jpg" class="attachment-large size-large wp-image-16985" alt="" />															</div>
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															<img loading="lazy" decoding="async" width="491" height="472" src="https://nanovea.com/wp-content/uploads/2022/01/Polymer-Belts-Tribometer-Test.jpg" class="attachment-large size-large wp-image-16986" alt="" />															</div>
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									<p style="text-align: center;"><span style="color: #1b96cf;">図3:</span><span style="color: #1b96cf;"><span style="color: #000000;">  <span class="fontstyle0">光学顕微鏡による摩耗痕の観察</span> <br /></span></span></p>								</div>
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					<h2 class="elementor-heading-title elementor-size-default">まとめ</h2>				</div>
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									<p>本研究では、ベルトの摩擦係数と摩耗量を良好に制御し定量的に評価するナノビア T2000トライボメーターの能力を紹介しました。ベルトの摩擦と耐摩耗性には、表面のテクスチャが重要な役割を担っています。テクスチャを施したベルトは摩擦係数が0.5程度と安定しており寿命も長いため、工具の修理や交換にかかる時間やコストを削減することができます。一方、平滑ベルトは鋼球との過度な摩擦によりベルトが急速に摩耗します。更にベルトにかかる負荷は寿命の重要な要素になります。過負荷は非常に高い摩擦を引き起こし、ベルトの摩耗を加速させます。</p>
<p>NANOVEA T2000トライボメータは、ISOおよびASTMに準拠した回転モードとリニアモードによる精密で再現性の高い摩耗・摩擦試験と、オプションで高温摩耗、潤滑、摩擦腐食モジュールを1つのシステムに統合して使用することが可能です。&nbsp;<span style="font-size: 16.8px;">NANOVEAの&nbsp;</span>本装置は薄膜や厚膜、軟質や硬質のコーティング、フィルム、基材などのトライボロジー特性をフルレンジで測定できる理想的な装置です。</p>								</div>
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					<h2 class="elementor-heading-title elementor-size-default">同じようなアプリケーションをお持ちですか？</h2>				</div>
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				</div><p>The post <a href="https://nanovea.com/ja/%e3%83%9d%e3%83%aa%e3%83%9e%e3%83%bc%e3%83%99%e3%83%ab%e3%83%88%e7%a3%a8%e8%80%97%e3%83%bb%e6%91%a9%e6%93%a6%e4%bd%bf%e7%94%a8%e3%83%88%e3%83%a9%e3%82%a4%e3%83%9c%e3%83%a1%e3%83%bc%e3%82%bf%e3%83%bc/">Polymer Belt Wear and Friction using a Tribometer</a> appeared first on <a href="https://nanovea.com/ja">NANOVEA: Advanced Profilometers, Tribometers, Nanoindenters, and Scratch Testers for Materials Testing</a>.</p>
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		<title>3次元形状測定による化石の微細構造の解明</title>
		<link>https://nanovea.com/ja/%e5%8c%96%e7%9f%b3%e5%be%ae%e7%b4%b0%e6%a7%8b%e9%80%a0-3d-%e3%83%97%e3%83%ad%e3%83%95%e3%82%a3%e3%83%ad%e3%83%a1%e3%83%88%e3%83%aa%e3%83%bc%e3%81%ab%e3%82%88%e3%82%8b%e8%a7%a3%e6%9e%90/?utm_source=rss&#038;utm_medium=rss&#038;utm_campaign=fossil-microstructure-using-3d-profilometry</link>
					<comments>https://nanovea.com/ja/%e5%8c%96%e7%9f%b3%e5%be%ae%e7%b4%b0%e6%a7%8b%e9%80%a0-3d-%e3%83%97%e3%83%ad%e3%83%95%e3%82%a3%e3%83%ad%e3%83%a1%e3%83%88%e3%83%aa%e3%83%bc%e3%81%ab%e3%82%88%e3%82%8b%e8%a7%a3%e6%9e%90/#respond</comments>
		
		<dc:creator><![CDATA[nanovea]]></dc:creator>
		<pubdate>Tue, 28 Dec 2021 20:03:37 +0000</pubdate>
				<category><![CDATA[Application Notes]]></category>
		<category><![CDATA[Laboratory Testing]]></category>
		<category><![CDATA[Profilometry | Geometry and Shape]]></category>
		<category><![CDATA[Profilometry | Roughness and Finish]]></category>
		<category><![CDATA[Profilometry | Texture and Grain]]></category>
		<category><![CDATA[Profilometry Testing]]></category>
		<guid ispermalink="false">https://nanovea.com/?p=16911</guid>

					<description><![CDATA[<p>FOSSIL MICROSTRUCTURE USING 3D PROFILOMETRY Prepared by DUANJIE LI, PhD INTRODUCTION Fossils are the preserved remains of traces of plants, animals and other organisms buried in sediment under ancient seas, lakes and rivers. The soft body tissue usually decays after death, but the hard shells, bones and teeth fossilize. Microstructure surface features are often preserved when mineral replacement of the original shells and bones takes place, which provides an insight into the evolution of weather and the formation mechanism of fossils. IMPORTANCE OF A 3D NON-CONTACT PROFILOMETER FOR FOSSIL EXAMINATION 3D profiles of the fossil enable us to observe the detailed surface features of the fossil sample from a closer [&#8230;]</p>
<p>The post <a href="https://nanovea.com/ja/%e5%8c%96%e7%9f%b3%e5%be%ae%e7%b4%b0%e6%a7%8b%e9%80%a0-3d-%e3%83%97%e3%83%ad%e3%83%95%e3%82%a3%e3%83%ad%e3%83%a1%e3%83%88%e3%83%aa%e3%83%bc%e3%81%ab%e3%82%88%e3%82%8b%e8%a7%a3%e6%9e%90/">Fossil Microstructure Using 3D Profilometry</a> appeared first on <a href="https://nanovea.com/ja">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="16911" class="elementor elementor-16911" data-elementor-post-type="post">
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					<h2 class="elementor-heading-title elementor-size-default">化石微細構造</h2>				</div>
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					<h2 class="elementor-heading-title elementor-size-default">3Dプロフィロメトリーによる</h2>				</div>
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															<img loading="lazy" decoding="async" width="768" height="217" src="https://nanovea.com/wp-content/uploads/2021/12/Fossils-Portable-Profilometer.jpg" class="attachment-medium_large size-medium_large wp-image-16924" alt="" />															</div>
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					<h2 class="elementor-heading-title elementor-size-default">作成者</h2>				</div>
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					<h2 class="elementor-heading-title elementor-size-default">DUANJIE LI, PhD</h2>				</div>
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					<h2 class="elementor-heading-title elementor-size-default">はじめに</h2>				</div>
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									<p>化石とは、太古の海や湖、川の中の堆積物に埋もれた植物や動物などの生物の痕跡が保存されたものです。通常体の柔らかい組織は死後腐敗しますが、硬い貝殻や骨、歯などは化石となります。元の貝殻や骨と鉱物の交換が行われる際に微細構造の表面の特徴が保存されることが多く、気象の進化や化石の形成機構を知ることができます。</p>								</div>
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					<h2 class="elementor-heading-title elementor-size-default">化石検査における3次元非接触型プロフィロメータの重要性</h2>				</div>
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									<p>化石の 3D プロファイルにより、化石サンプルの詳細な表面の特徴をより近い角度から観察することができます。 NANOVEA 表面形状計の高い分解能と精度は、肉眼では認識できない場合があります。プロフィロメーターの分析ソフトウェアは、これらのユニークな表面に適用できる幅広い研究を提供します。タッチプローブなどの他の技術とは異なり、NANOVEA <a href="https://nanovea.com/profilometers/">3D非接触形状計</a> サンプルに触れずに表面の特徴を測定します。これにより、特定のデリケートな化石サンプルの真の表面特徴を保存することが可能になります。さらに、ポータブルモデルJr25表面形状計は化石現場の3D測定を可能にし、化石分析と発掘後の保護を大幅に容易にします。</p>								</div>
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									<p style="text-align: left;">測定目的</p>								</div>
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									<p style="text-align: left;"><span style="font-size: 16.8px;">本研究では、ナノビアJr25プロフィロメーターを用いて2つの代表的な化石試料の表面を測定しました。それぞれの化石の表面全体をスキャンし、粗さ、輪郭、テクスチャの方向などの表面特性を分析しました。</span></p>								</div>
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									<p style="text-align: left;">ナノビア</p>								</div>
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									<p style="text-align: left;">Jr25</p>								</div>
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									<span class="elementor-button-text">詳しくはこちら</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">腕足類の化石</h2>				</div>
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									<p>最初に紹介するのは、硬い「弁」（殻）を上下に持つ海産動物の腕足類の化石である。5億5千万年以上前のカンブリア紀に初めて出現した。</p><p><span style="font-size: 16.8px;">図1にスキャンの3Dビューを、図2にフォルスカラービューを示します。 </span></p>								</div>
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															<img loading="lazy" decoding="async" width="535" height="501" src="https://nanovea.com/wp-content/uploads/2021/12/Shell-Fossil-Analysis.jpg" class="attachment-large size-large wp-image-16919" alt="" />															</div>
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															<img loading="lazy" decoding="async" width="717" height="521" src="https://nanovea.com/wp-content/uploads/2021/12/Brachiopod-Fossil-Scan-Profilometer.jpg" class="attachment-large size-large wp-image-16939" alt="" />															</div>
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									<p style="text-align: center;"><span class="fontstyle0" style="color: #1b96cf;">図1: </span><span class="fontstyle0" style="color: #1b96cf;"><span style="color: #000000;"><span class="fontstyle0">腕足類の化石サンプルの3Dビュー</span><br /></span></span></p>								</div>
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															<img loading="lazy" decoding="async" width="501" height="418" src="https://nanovea.com/wp-content/uploads/2021/12/Brachiopod-Fossil-Study.jpg" class="attachment-large size-large wp-image-16925" alt="" />															</div>
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									<p style="text-align: center;"><span class="fontstyle0" style="color: #1b96cf;">図2: </span><span class="fontstyle0"><span style="color: #000000;">腕足類の化石サンプルのカラー異常図</span></span></p>								</div>
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									<p><span style="font-size: 16.8px;">次に図3に示すように、腕足類の化石の局所的な表面形態と輪郭を調べるために、全体の形態を表面から除去しました。このとき、腕足類の化石サンプルには独特の発散溝テクスチャが観察されました。</span></p>								</div>
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															<img loading="lazy" decoding="async" width="773" height="318" src="https://nanovea.com/wp-content/uploads/2021/12/Shell-Fossil-Profilometry.jpg" class="attachment-large size-large wp-image-16920" alt="" />															</div>
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									<p style="text-align: center;"><span class="fontstyle0" style="color: #1b96cf;">図3:</span><span class="fontstyle0" style="color: #1b96cf;"><span style="color: #000000;"><span class="fontstyle0"> カラー異常表示と輪郭線表示</span><br /></span></span></p>								</div>
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									<p><span style="font-size: 16.8px;">図4は、化石表面の断面図を示すために、テクスチャ領域からラインプロファイルを抽出したものです。ステップハイト調査では、表面形状の正確な寸法を測定しています。溝の平均幅は約0.38 mm、深さは約0.25 mmです。</span></p>								</div>
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															<img loading="lazy" decoding="async" width="1024" height="243" src="https://nanovea.com/wp-content/uploads/2021/12/Shell-Fossil-Study.jpg" class="attachment-large size-large wp-image-16921" alt="" />															</div>
				</div>
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															<img loading="lazy" decoding="async" width="1024" height="161" src="https://nanovea.com/wp-content/uploads/2021/12/Crinoid-Fossil-Study-Profilometer.jpg" class="attachment-large size-large wp-image-16938" alt="" />															</div>
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									<p style="text-align: center;"><span class="fontstyle0" style="color: #1b96cf;">図4:</span><span class="fontstyle0" style="color: #1b96cf;"><span style="color: #000000;"><span class="fontstyle0"> テクスチャー表面のラインプロファイルとステップハイトの研究</span><br /></span></span></p>								</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">ウミユリ科の化石</h2>				</div>
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									<p><span style="font-size: 16.8px;">2つ目の化石サンプルは、ウミユリの茎の化石です。ウミユリは恐竜より約3億年前のカンブリア紀中期の海に初めて現れました。 </span></p><p><span style="font-size: 16.8px;"> </span></p><p><span style="font-size: 16.8px;">図5にスキャンの3Dビュー、図6にカラー異常ビューを示します。 </span></p>								</div>
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															<img loading="lazy" decoding="async" width="392" height="534" src="https://nanovea.com/wp-content/uploads/2021/12/Crinoid-Fossil-Analysis.jpg" class="attachment-large size-large wp-image-16926" alt="" />															</div>
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				<div class="elementor-widget-container">
															<img loading="lazy" decoding="async" width="661" height="508" src="https://nanovea.com/wp-content/uploads/2021/12/Crinoid-Stem-Fossil-Study.jpg" class="attachment-large size-large wp-image-16917" alt="" />															</div>
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									<p style="text-align: center;"><span class="fontstyle0" style="color: #1b96cf;">図5: </span><span class="fontstyle0" style="color: #1b96cf;"><span style="color: #000000;"><span class="fontstyle0">ウミユリの化石サンプルの3Dビュー。</span><br /></span></span></p>								</div>
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					</div>
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					</div>
		</section>
				<section class="elementor-section elementor-top-section elementor-element elementor-element-ff3fa93 elementor-section-boxed elementor-section-height-default elementor-section-height-default" data-id="ff3fa93" data-element_type="section">
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									<p><span style="font-size: 16.8px;">図7は、ウミユリの茎化石の表面テクスチャーの等方性と粗さを分析したものです。 </span></p><p><span style="font-size: 16.8px;"> </span><span style="color: var( --e-global-color-text );">この化石は90°に近い角度でテクスチャーの方向が優先され、69%のテクスチャーアイソトロピーにつながります。</span></p>								</div>
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															<img loading="lazy" decoding="async" width="497" height="368" src="https://nanovea.com/wp-content/uploads/2021/12/Crinoid-Fossil-Profilometry.jpg" class="attachment-large size-large wp-image-16914" alt="" />															</div>
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									<p style="text-align: center;"><span style="color: #1b96cf;">図6:</span><span style="color: #1b96cf;"><span style="color: #000000;"> ウミユリのカラー異常表示 </span></span><span style="color: #000000;">ウミユリ科の茎 </span><span style="color: #000000;">のサンプルです。</span></p><p style="text-align: center;"><span style="color: #1b96cf;"><span style="color: #000000;"> </span></span></p>								</div>
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															<img loading="lazy" decoding="async" width="506" height="248" src="https://nanovea.com/wp-content/uploads/2021/12/Crinoid-Fossil-Measurement.jpg" class="attachment-large size-large wp-image-16913" alt="" />															</div>
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															<img loading="lazy" decoding="async" width="444" height="202" src="https://nanovea.com/wp-content/uploads/2021/12/Crinoid-Fossil-Isotropy-and-Roughness.jpg" class="attachment-large size-large wp-image-16912" alt="" />															</div>
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															<img loading="lazy" decoding="async" width="1024" height="234" src="https://nanovea.com/wp-content/uploads/2021/12/Fossil-Profilometry-Parameters.jpg" class="attachment-large size-large wp-image-16918" alt="" />															</div>
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				<div class="elementor-element elementor-element-9522731 elementor-widget elementor-widget-text-editor" data-id="9522731" data-element_type="widget" data-widget_type="text-editor.default">
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									<p style="text-align: center;"><span style="color: #1b96cf;">図7:</span><span style="color: #1b96cf;"><span style="color: #000000;"> </span></span><span style="color: #000000;">ウミユリの茎化石の表面テクスチャーの等方性と粗さ</span></p>								</div>
				</div>
				<div class="elementor-element elementor-element-ec9cf13 elementor-widget elementor-widget-text-editor" data-id="ec9cf13" data-element_type="widget" data-widget_type="text-editor.default">
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									<p><span style="font-size: 16.8px;">図8は、ウミユリの茎化石の軸方向に沿った2次元プロファイルを示したものです。 </span></p><p><span style="color: var( --e-global-color-text );">表面テクスチャーのピークの大きさはほぼ均一です。</span></p>								</div>
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															<img loading="lazy" decoding="async" width="1024" height="211" src="https://nanovea.com/wp-content/uploads/2021/12/Crinoid-Stem-Fossil-Profile-Analysis.jpg" class="attachment-large size-large wp-image-16916" alt="" />															</div>
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															<img loading="lazy" decoding="async" width="1024" height="145" src="https://nanovea.com/wp-content/uploads/2021/12/Crinoid-Stem-Fossil-2D-Profile-Analysis.jpg" class="attachment-large size-large wp-image-16915" alt="" />															</div>
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									<p style="text-align: center;"><span style="color: #1b96cf;">図8:</span><span style="color: #000000;"> ウミユリの茎化石の2次元プロファイル解析</span></p>								</div>
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					<h2 class="elementor-heading-title elementor-size-default">まとめ</h2>				</div>
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									<p><span style="font-size: 16.8px;">このアプリケーションでは、ナノビアJr25ポータブル非接触型プロフィロメータを使用して、腕足類とウミユリの茎の化石の3D表面形状を包括的に研究しました。この装置により、化石サンプルの3D形状を正確に評価できることを示しました。さらに、試料の表面の興味深い特徴や質感を分析しました。腕足類のサンプルは発散性の溝を持ち、ウミユリの茎の化石は優先的なテクスチャーの等方性を示しています。詳細かつ正確な3D表面スキャンは、古生物学者や地質学者にとって、生命の進化や化石の形成を研究するための理想的なツールであることが証明されました。</span></p><p><span style="color: var( --e-global-color-text ); background-color: rgba(255, 255, 255, 0);">ここに掲載されているデータは解析ソフトウェアで利用可能な計算の一部に過ぎません。半導体、マイクロエレクトロニクス、太陽電池、光ファイバー、自動車、航空宇宙、冶金、機械加工、コーティング、製薬、バイオメディカル、環境など、あらゆる分野の表面を測定することができます。</span></p>								</div>
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					<h2 class="elementor-heading-title elementor-size-default">同じようなアプリケーションをお持ちですか？</h2>				</div>
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				</div><p>The post <a href="https://nanovea.com/ja/%e5%8c%96%e7%9f%b3%e5%be%ae%e7%b4%b0%e6%a7%8b%e9%80%a0-3d-%e3%83%97%e3%83%ad%e3%83%95%e3%82%a3%e3%83%ad%e3%83%a1%e3%83%88%e3%83%aa%e3%83%bc%e3%81%ab%e3%82%88%e3%82%8b%e8%a7%a3%e6%9e%90/">Fossil Microstructure Using 3D Profilometry</a> appeared first on <a href="https://nanovea.com/ja">NANOVEA: Advanced Profilometers, Tribometers, Nanoindenters, and Scratch Testers for Materials Testing</a>.</p>
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		<title>表面境界測定</title>
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		<dc:creator><![CDATA[nanovea]]></dc:creator>
		<pubdate>金, 25 6月 2021 16:05:59 +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=11898</guid>

					<description><![CDATA[<p>3Dプロフィロメトリーによる表面境界の測定 詳細はこちら</p>
<p>The post <a href="https://nanovea.com/ja/%e3%82%b5%e3%83%bc%e3%83%95%e3%82%a7%e3%82%b9%e3%83%90%e3%82%a6%e3%83%b3%e3%83%80%e3%83%aa-%e3%83%a1%e3%82%b8%e3%83%a3%e3%83%a1%e3%83%b3%e3%83%88/">Surface Boundary Measurement</a> appeared first on <a href="https://nanovea.com/ja">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="11898" class="elementor elementor-11898" data-elementor-post-type="post">
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									<p>3Dプロフィロメトリーによる表面境界計測</p><p>詳細はこちら</p>								</div>
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					<h2 class="elementor-heading-title elementor-size-default"><span>表層境界測定</span></h2>				</div>
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					<h2 class="elementor-heading-title elementor-size-default">3Dプロフィロメトリーによる</h2>				</div>
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															<img loading="lazy" decoding="async" width="1024" height="290" src="https://nanovea.com/wp-content/uploads/2021/06/MicrosoftTeams-image-15.jpg" class="attachment-large size-large wp-image-11942" alt="" />															</div>
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					<h2 class="elementor-heading-title elementor-size-default">作成者</h2>				</div>
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					<h2 class="elementor-heading-title elementor-size-default"><span>クレイグ・ライジング</span></h2>				</div>
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					<h2 class="elementor-heading-title elementor-size-default">はじめに</h2>				</div>
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									<p>表面の特徴、パターン、形状などの界面が配向性を評価されるような研究では、測定プロファイル全体にわたって関心のある領域をすばやく特定することが有用です。表面を重要な領域に分割することで、ユーザーは境界、ピーク、ピット、面積、体積などを迅速に評価し、研究対象の表面プロファイル全体における機能的な役割を理解することができます。例えば、金属の粒界イメージングでは、多くの構造物の界面や全体的な方向性が解析の重要なポイントになります。それぞれの領域を理解することで、全体の中の欠陥や異常を特定することができます。粒界のイメージングは通常プロフィロメータの能力を超える領域で研究され、2D画像分析に過ぎませんが、3D表面測定の利点とともに、ここで紹介する概念をより大きなスケールで説明するための参考資料となります。</p>								</div>
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					<h2 class="elementor-heading-title elementor-size-default">表面分離研究における3次元非接触形状測定機の重要性 
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									<p>タッチプローブや干渉計などの他の技術とは異なり、 <a href="https://nanovea.com/profilometers/">3D非接触形状計</a>軸色収差を使用するため、ほぼすべての表面を測定でき、オープンステージングによりサンプルサイズは大きく変化する可能性があり、サンプルの前処理は必要ありません。ナノからマクロの範囲は、サンプルの反射率や吸収の影響を受けずに表面プロファイル測定中に得られ、高い表面角度を測定する高度な機能を備えており、結果をソフトウェアで操作する必要はありません。透明、不透明、鏡面、拡散、研磨、粗いなど、あらゆる材質を簡単に測定できます。非接触粗面計の技術は、表面境界分析が必要な場合に表面調査を最大限に高めるための理想的で広範で使いやすい機能を提供します。 2D と 3D 機能を組み合わせたメリットも得られます。</p>								</div>
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									<p>測定目的</p>								</div>
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									<p><em>このアプリケーションでは、発泡スチロールの表面積を測定するためにナノベアST400プロフィロメータが使用されています。境界は、NANOVEA ST400を使用して同時に取得される地形とともに、反射強度ファイルを組み合わせることによって確立されました。このデータをもとに、発泡スチロールの「粒」ごとに異なる形状や大きさの情報を算出しました。</em></p>								</div>
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									<p>ナノビア</p>								</div>
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									<p>ST400</p>								</div>
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																<a href="https://nanovea.com/instruments/st400/">
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									結果と考察：2次元表面境界の測定								</div>
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									<p>トポグラフィー画像（左下）を反射強度画像（右下）でマスクし、結晶粒の境界を明確にした画像。直径565μm以下の粒はフィルターをかけることで無視されている。</p>								</div>
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															<img loading="lazy" decoding="async" width="1024" height="656" src="https://nanovea.com/wp-content/uploads/2021/06/Styrofoam-surface-profilometry.jpg" class="attachment-large size-large wp-image-11938" alt="" />															</div>
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															<img loading="lazy" decoding="async" width="1024" height="656" src="https://nanovea.com/wp-content/uploads/2021/06/Styrofoam-surface-profilometer.jpg" class="attachment-large size-large wp-image-11937" alt="" />															</div>
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									<p style="text-align: center;">粒の総数167<br>
粒が占める投影面積の合計。166.917 mm² (64.5962 %)<br>
バウンダリー占有予想総面積： (35.4038 %)<br>
粒の密度0.646285粒/mm2</p>
面積 = 0.999500 mm² +/- 0.491846 mm². <br>
外周＝9114.15μm +/- 4570.38μm<br>
等価直径 = 1098.61 µm +/- 256.235 µm<br>
平均直径 = 945.373 µm +/- 248.344 µm<br>
最小径 = 675.898 µm +/- 246.850 µm<br>
最大径＝1312.43 µm +/- 295.258 µm								</div>
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															<img loading="lazy" decoding="async" width="1024" height="679" src="https://nanovea.com/wp-content/uploads/2021/06/Boundary-Measurement-Profilometer.jpg" class="attachment-large size-large wp-image-11940" alt="" />															</div>
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									<p>結果＆考察：3次元表面境界計測</p>								</div>
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									<p>得られた3次元トポグラフィーデータを用いて、各粒子の体積、高さ、ピーク、アスペクト比、一般的な形状情報を解析することができる。3次元占有総面積：2.525mm3</p>								</div>
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															<img loading="lazy" decoding="async" width="1024" height="893" src="https://nanovea.com/wp-content/uploads/2021/06/Boundary-Measurement-2D-profiler.jpg" class="attachment-large size-large wp-image-11939" alt="" />															</div>
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					<h2 class="elementor-heading-title elementor-size-default">まとめ</h2>				</div>
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									<p>このアプリケーションでは、NANOVEA 3D非接触形状測定機が発泡スチロールの表面を精密に特性評価できることを示しました。統計的な情報は、表面全体、またはピークやピットなどの個々の粒子について得ることができます。この例では、ユーザーが定義したサイズより大きいすべての粒を使用して、面積、周囲長、直径、高さを表示しました。ここで示された特徴は、バイオメディカルからマイクロマシニングまで、様々な分野の自然表面や加工済み表面の研究および品質管理に重要な役割を果たすことができます。 </p>								</div>
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					<h2 class="elementor-heading-title elementor-size-default">同じようなアプリケーションをお持ちですか？</h2>				</div>
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									<span class="elementor-button-text">価格と詳細を素早く入手</span>
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				</div><p>The post <a href="https://nanovea.com/ja/%e3%82%b5%e3%83%bc%e3%83%95%e3%82%a7%e3%82%b9%e3%83%90%e3%82%a6%e3%83%b3%e3%83%80%e3%83%aa-%e3%83%a1%e3%82%b8%e3%83%a3%e3%83%a1%e3%83%b3%e3%83%88/">Surface Boundary Measurement</a> appeared first on <a href="https://nanovea.com/ja">NANOVEA: Advanced Profilometers, Tribometers, Nanoindenters, and Scratch Testers for Materials Testing</a>.</p>
]]></content:encoded>
					
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		<title>Tire Tread Depth &#038; Rubber Surface Roughness Measurement &#124; 3D Optical Profiler</title>
		<link>https://nanovea.com/ja/%e3%82%bf%e3%82%a4%e3%83%a4%e3%83%88%e3%83%ac%e3%83%83%e3%83%89%e6%b7%b1%e3%81%95%e3%81%ae%e6%b8%ac%e5%ae%9a/?utm_source=rss&#038;utm_medium=rss&#038;utm_campaign=tire-tread-depth-measurement</link>
					<comments>https://nanovea.com/ja/%e3%82%bf%e3%82%a4%e3%83%a4%e3%83%88%e3%83%ac%e3%83%83%e3%83%89%e6%b7%b1%e3%81%95%e3%81%ae%e6%b8%ac%e5%ae%9a/#respond</comments>
		
		<dc:creator><![CDATA[nanovea]]></dc:creator>
		<pubdate>2021年2月25日（木）22:49:17 +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 | Step Height and Thickness]]></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=10619</guid>

					<description><![CDATA[<p>Learn how the Nanovea ST400 3D Optical Profiler provides precise tire tread depth measurement and rubber surface roughness analysis for tire performance and wear studies.</p>
<p>The post <a href="https://nanovea.com/ja/%e3%82%bf%e3%82%a4%e3%83%a4%e3%83%88%e3%83%ac%e3%83%83%e3%83%89%e6%b7%b1%e3%81%95%e3%81%ae%e6%b8%ac%e5%ae%9a/">Tire Tread Depth &#038; Rubber Surface Roughness Measurement | 3D Optical Profiler</a> appeared first on <a href="https://nanovea.com/ja">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="10619" class="elementor elementor-10619" data-elementor-post-type="post">
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									<h1 style="text-align: center; font-style: italic; font-weight: bold; line-height: 1.4;"><span style="font-size: 40px; color: #1b96cf; display: block;">タイヤトレッド深さ＆ゴム表面粗さ測定
</span><span style="font-size: 32px; color: #000;">3D光学式プロファイラを使用
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															<img loading="lazy" decoding="async" width="1024" height="290" src="https://nanovea.com/wp-content/uploads/2021/02/Rubber-Tread-Contour-Measurement-NANOVEA-Profilometer.jpg" class="attachment-large size-large wp-image-10633" alt="複数の自動車タイヤのトレッドパターンを示すタイヤトレッド深さ測定リファレンス" />															</div>
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					<h2 class="elementor-heading-title elementor-size-default">作成者</h2>				</div>
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					<h2 class="elementor-heading-title elementor-size-default">アンドレア・ハーマン</h2>				</div>
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									タイヤのトレッド深さは、消費者の安全のためにハンドヘルドゲージで測定するのが一般的ですが、産業用研究開発やタイヤメーカーには、より高度な方法が求められます。このアプリケーションノートでは、3D光学式プロフィロメーターが、高精度のタイヤトレッド深さ測定、輪郭マッピング、ゴム表面粗さ解析をどのように行うかをご紹介します。.								</div>
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					<h2 class="elementor-heading-title elementor-size-default">はじめに</h2>				</div>
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									すべての素材がそうであるように、ゴムの摩擦係数はその表面の粗さに一部関係している。自動車のタイヤでは、トレッドの深さと表面の粗さの両方がトラクション、ブレーキ、摩耗性能に直接影響する。本研究では、3次元非接触形状測定法を用いて、ゴムの表面とトレッドの粗さと寸法を分析した。.								</div>
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															<img loading="lazy" decoding="async" width="806" height="625" src="https://nanovea.com/wp-content/uploads/2021/02/Rubber-Surface-Roughness-Profilometry.png" class="attachment-large size-large wp-image-10622" alt="トレッド深さとゴム表面の粗さ測定に使用したタイヤサンプル" />															</div>
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									<p>標本、見本</p>								</div>
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									<p>タイヤトレッド深さ測定における3D非接触プロフィロメトリーの重要性</p>								</div>
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									<p>タッチプローブや干渉計などの他の技術とは異なる、, <a href="https://nanovea.com/profilometers/">NANOVEAの3D非接触光学式プロファイラー</a> 軸色収差を使用して、ほぼあらゆる表面を測定します。</p><p>プロファイラーシステムのオープンステージは、多様なサンプルサイズに対応し、サンプルの前処理は不要です。1回のスキャンで、サンプルの反射率や吸収率の影響を受けずに、タイヤ全体のトレッド深さとミクロレベルの表面粗さの両方を測定できます。さらに、これらのプロファイラには、ソフトウェアで結果を操作することなく、高い表面角度を測定できる高度な機能があります。.</p><p>この汎用性により、NANOVEAプロファイラーがタイヤトレッドの摩耗試験と高度なゴム材料の研究の両方に理想的なものとなっています。.</p>								</div>
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					<h2 class="elementor-heading-title elementor-size-default">測定目的</h2>				</div>
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									<p>このアプリケーションでは <a href="https://nanovea.com/instruments/st400/">ナノベアST400</a>, タイヤのトレッド深さ、輪郭形状、ゴム表面の粗さを測定する3D非接触光学式プロファイラー。この研究では、タイヤ表面全体を表すのに十分な大きさのサンプル表面積を無作為に選択した。ゴムの特性を定量化するため、NANOVEA Ultra 3D解析ソフトウェアを使用し、溝寸法、トレッド深さ、表面粗さ、展開対投影面積を測定した。.</p>								</div>
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									<p style="text-align: center; font-size: 20pt; color: black;">ナノビア <span style="font-size: 20pt; color: #1b96cf;">ST400スタンダード</span><br />光学式3Dプロフィロメーター</p>								</div>
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									<span class="elementor-button-text">カタログダウンロード</span>
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									<span class="elementor-button-text">見積依頼</span>
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																<a href="https://nanovea.com/instruments/st500">
							<img loading="lazy" decoding="async" width="300" height="296" src="https://nanovea.com/wp-content/uploads/2020/12/Nanovea-Customizable-Profilometer.png" class="elementor-animation-grow attachment-medium size-medium wp-image-9779" alt="タイヤのトレッド深さと表面粗さ解析用ナノベアST400 3D光学式プロフィロメーター" />								</a>
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									<span class="fontstyle0" style="color: #1b96cf;">ANALYSIS </span><span class="fontstyle0" style="color: #ffffff;">タイヤトレッド</span>								</div>
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									トレッドの3Dビューとフォールスカラービューは、3D表面設計のマッピングの価値を示しています。これにより、トレッドの深さの均一性、溝のデザイン、摩耗を多角的に評価するためのわかりやすいツールがエンジニアに提供されます。アドバンスド・コンター解析とステップハイト解析は、サンプルの形状やデザインの正確な寸法を測定するための非常に強力なツールです。.								</div>
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															<img loading="lazy" decoding="async" width="512" height="426" src="https://nanovea.com/wp-content/uploads/2021/02/Rubber-Tire-Tread-Scan-Profilometer.jpg" class="attachment-large size-large wp-image-10627" alt="タイヤのトレッド深さと溝形状のフォールスカラー3D光学プロフィロメトリー" />															</div>
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															<img loading="lazy" decoding="async" width="592" height="397" src="https://nanovea.com/wp-content/uploads/2021/02/Rubber-Tyre-3D-Scan-Profilometer.jpg" class="attachment-large size-large wp-image-10629" alt="3Dプロフィロメーターによるタイヤトレッド深さ測定の表面図" />															</div>
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									<p><span class="fontstyle0">アドバンストコンターアナリシス</span></p>								</div>
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															<img loading="lazy" decoding="async" width="879" height="744" src="https://nanovea.com/wp-content/uploads/2021/02/Rubber-Tire-Tread-Contour-Analysis.jpg" class="attachment-large size-large wp-image-10626" alt="3Dプロフィロメトリーを用いたタイヤトレッド溝の高度な輪郭解析" />															</div>
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									<p><span class="fontstyle0">ステップ高さ解析</span> </p>								</div>
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				<section class="elementor-section elementor-top-section elementor-element elementor-element-74c284d elementor-section-boxed elementor-section-height-default elementor-section-height-default" data-id="74c284d" data-element_type="section">
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															<img loading="lazy" decoding="async" width="761" height="126" src="https://nanovea.com/wp-content/uploads/2021/02/Rubber-Tire-Step-Height-Analysis-Profiler.jpg" class="attachment-large size-large wp-image-10625" alt="" />															</div>
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															<img loading="lazy" decoding="async" width="1024" height="255" src="https://nanovea.com/wp-content/uploads/2021/02/Rubber-Tire-Step-Height-Analysis-by-NANOVEA.jpg" class="attachment-large size-large wp-image-10624" alt="3D光学式プロファイラによるタイヤトレッド深さ測定のための段差解析" />															</div>
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															<img loading="lazy" decoding="async" width="513" height="124" src="https://nanovea.com/wp-content/uploads/2021/02/Rubber-Tire-Step-Height-Analysis-by-NANOVEA-Profilometer.jpg" class="attachment-large size-large wp-image-10623" alt="" />															</div>
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															<img loading="lazy" decoding="async" width="1024" height="256" src="https://nanovea.com/wp-content/uploads/2021/02/Rubber-Tyre-Step-Height-Analysis-by-NANOVEA.jpg" class="attachment-large size-large wp-image-10630" alt="タイヤのトレッド深さを測定する3Dプロフィロメトリー・ステップハイト・プロファイル" />															</div>
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									<span class="fontstyle0" style="color: #1b96cf;">ANALYSIS </span><span class="fontstyle0" style="color: #ffffff;">ラバーサーフェス</span>								</div>
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									ゴム表面は、以下の図に示すように、内蔵のソフトウェア・ツールを使ってさまざまな方法で定量化できる。表面粗さは2.688μmで、展開面積対投影面積は9.410mm²対8.997mm²であることがわかります。これらの結果は、ゴムの表面粗さがトラクションと性能にどのような影響を与えるかを示しており、異なるゴム配合間や表面摩耗のレベルの違いを比較することができます。.								</div>
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															<img loading="lazy" decoding="async" width="591" height="415" src="https://nanovea.com/wp-content/uploads/2021/02/Tire-Rubber-Surface-Analysis-Scan-NANOVEA.jpg" class="attachment-large size-large wp-image-10621" alt="3D光学式プロフィロメーターによるゴム表面の粗さ解析" />															</div>
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															<img loading="lazy" decoding="async" width="610" height="314" src="https://nanovea.com/wp-content/uploads/2021/02/Tire-Rubber-Surface-Analysis-Scan-NANOVEA-Profilometer.jpg" class="attachment-large size-large wp-image-10631" alt="ISO 25178 タイヤゴム表面の高さパラメータ" />															</div>
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															<img loading="lazy" decoding="async" width="716" height="505" src="https://nanovea.com/wp-content/uploads/2021/02/Rubber-Tyre-Surface-Analysis-NANOVEA.jpg" class="attachment-large size-large wp-image-10620" alt="3D光学式プロフィロメトリーによるゴムの表面粗さと現像面の観察" />															</div>
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															<img loading="lazy" decoding="async" width="610" height="169" src="https://nanovea.com/wp-content/uploads/2021/02/Rubber-Tread-Contour-Measurement-NANOVEA-Profilometer-08-09-20.jpg" class="attachment-large size-large wp-image-10628" alt="タイヤゴムの表面形状測定パラメータ" />															</div>
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					<h2 class="elementor-heading-title elementor-size-default">まとめ</h2>				</div>
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									このアプリケーションでは、NANOVEA 3D非接触光学式プロファイラが、タイヤのトレッド深さ、輪郭寸法、ゴム表面の粗さを正確に評価できることを示しました。データは、表面粗さ2.69 µm、展開面積9.41 mm²、投影面積9 mm²を示しています。ゴムのトレッドのさまざまな寸法と半径も測定された。この情報は、タイヤメーカー、自動車研究者、材料エンジニアが、トレッドの設計、ゴムの配合、あるいは摩耗の程度が異なるタイヤを比較するために利用できる。ここに示したデータは、Ultra 3D解析ソフトウェアで利用可能な計算の一部に過ぎません。.								</div>
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					<h2 class="elementor-heading-title elementor-size-default">同じようなアプリケーションをお持ちですか？</h2>				</div>
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									<span class="elementor-button-text">専門家に相談する</span>
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				</div><p>The post <a href="https://nanovea.com/ja/%e3%82%bf%e3%82%a4%e3%83%a4%e3%83%88%e3%83%ac%e3%83%83%e3%83%89%e6%b7%b1%e3%81%95%e3%81%ae%e6%b8%ac%e5%ae%9a/">Tire Tread Depth &#038; Rubber Surface Roughness Measurement | 3D Optical Profiler</a> appeared first on <a href="https://nanovea.com/ja">NANOVEA: Advanced Profilometers, Tribometers, Nanoindenters, and Scratch Testers for Materials Testing</a>.</p>
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		<title>機械加工品検査</title>
		<link>https://nanovea.com/ja/%e6%a9%9f%e6%a2%b0%e5%8a%a0%e5%b7%a5%e5%93%81%e6%a4%9c%e6%9f%bb/?utm_source=rss&#038;utm_medium=rss&#038;utm_campaign=machined-parts-inspection</link>
					<comments>https://nanovea.com/ja/%e6%a9%9f%e6%a2%b0%e5%8a%a0%e5%b7%a5%e5%93%81%e6%a4%9c%e6%9f%bb/#respond</comments>
		
		<dc:creator><![CDATA[Andrew Shore]]></dc:creator>
		<pubdate>Tue, 08 Sep 2020 21:17:54 +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 | Volume and Area]]></category>
		<category><![CDATA[Profilometry Testing]]></category>
		<guid ispermalink="false">https://nanovea.com/?p=9130</guid>

					<description><![CDATA[<p>The post <a href="https://nanovea.com/ja/%e6%a9%9f%e6%a2%b0%e5%8a%a0%e5%b7%a5%e5%93%81%e6%a4%9c%e6%9f%bb/">Machined Parts Inspection</a> appeared first on <a href="https://nanovea.com/ja">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="9130" class="elementor elementor-9130" data-elementor-post-type="post">
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					<h2 class="elementor-heading-title elementor-size-default">機械加工品</h2>				</div>
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					<h2 class="elementor-heading-title elementor-size-default">CADモデルからの3次元形状測定による検査</h2>				</div>
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					<h2 class="elementor-heading-title elementor-size-default">著者</h2>				</div>
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					<h2 class="elementor-heading-title elementor-size-default">Duanjie Li, PhD</h2>				</div>
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					<h2 class="elementor-heading-title elementor-size-default">によって改訂されました。</h2>				</div>
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					<h2 class="elementor-heading-title elementor-size-default">Jocelyn Esparza</h2>				</div>
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															<img loading="lazy" decoding="async" width="793" height="224" src="https://nanovea.com/wp-content/uploads/2020/09/Machined-Parts-Inspection.png" class="attachment-large size-large wp-image-9131" alt="プロフィロメーターによる機械加工部品の検査" />															</div>
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					<h2 class="elementor-heading-title elementor-size-default">はじめに</h2>				</div>
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									<p>複雑な形状を作り出す精密機械加工の需要は、様々な産業分野で高まっています。航空宇宙、医療、自動車からハイテクギア、機械、楽器に至るまで、絶え間ない革新と進化は、期待値と精度基準を新たな高みへと押し上げます。その結果、製品の品質を確保するための厳しい検査技術や検査装置の需要が高まっています。</p>								</div>
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					<h2 class="elementor-heading-title elementor-size-default">部品検査における3次元非接触プロフィロメトリの重要性</h2>				</div>
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									<p>機械加工されたパーツの特性をCADモデルと比較することは、公差や製造規格の遵守を確認するために不可欠です。また、部品の摩耗や損傷により交換が必要になることもあるため、使用期間中の検査も非常に重要です。要求された仕様からの逸脱を適時に特定することで、費用のかかる修理や生産停止、評価の低下を回避することができます。</p><p>タッチプローブ技術とは異なり、NANOVEA <a href="https://nanovea.com/profilometers/">光学プロファイラー</a> 非接触で 3D 表面スキャンを実行し、複雑な形状を最高の精度で迅速かつ正確かつ非破壊で測定できます。</p>								</div>
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									<p>測定目的</p>								</div>
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									<p>このアプリケーションでは、高速センサーを搭載し、寸法、半径、粗さの総合的な表面検査を行う3D非接触プロファイラー、NANOVEA HS2000を紹介します。 </p><p>すべて40秒以内で。</p>								</div>
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									<p>ナノビア</p>								</div>
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									<p>HS2000</p>								</div>
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																<a href="https://nanovea.com/instruments/hs2000/">
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					<h2 class="elementor-heading-title elementor-size-default">CADモデル</h2>				</div>
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									<p>機械加工された部品の寸法と表面粗さを正確に測定することは、その部品が要求された仕様、公差、表面仕上げを満たしていることを確認するために重要です。検査するパーツの3Dモデルとエンジニアリングドローイングを以下に紹介します。&nbsp;</p>								</div>
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															<img decoding="async" src="https://nanovea.com/wp-content/uploads/2020/09/Machine-Parts-Quality-Control.png" title="" alt="" loading="lazy" />															</div>
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					<h2 class="elementor-heading-title elementor-size-default">偽色表示</h2>				</div>
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									<p>図3は、CADモデルとスキャンした加工面のフォールスカラー図を比較したもので、サンプル表面の高さ変化を色の変化で観察することができる。</p><p>図2に示すように、3Dサーフェススキャンから3つの2Dプロファイルを抽出し、加工された部品の寸法公差をさらに検証します。</p>								</div>
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															<img loading="lazy" decoding="async" width="973" height="1024" src="https://nanovea.com/wp-content/uploads/2020/09/Machine-Parts-Profilometry.png" class="attachment-large size-large wp-image-9137" alt="" />															</div>
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					<h2 class="elementor-heading-title elementor-size-default">プロファイルの比較と結果</h2>				</div>
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									<p>図3～図5にプロファイル1～3を示す。測定したプロファイルをCADモデルと比較することで、定量的な公差検査を行い、厳格な製造基準を維持しています。プロファイル1とプロファイル2は、曲面加工された部品の異なる領域の半径を測定する。プロファイル2の高さの変動は、156mmの長さで30μmであり、要求される公差±125μmを満たしています。 </p><p>公差の限界値を設定することで、解析ソフトが加工した部品の合否を自動的に判定することができます。</p>								</div>
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															<img loading="lazy" decoding="async" width="1651" height="767" src="https://nanovea.com/wp-content/uploads/2020/09/Machine-Parts-Inspection-with-a-Profilometer.png" class="attachment-full size-full wp-image-9138" alt="プロフィロメーターによる機械部品検査" />															</div>
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															<img loading="lazy" decoding="async" width="1024" height="262" src="https://nanovea.com/wp-content/uploads/2020/09/Machine-Parts-Inspection-with-a-Profilometer-2.png" class="attachment-large size-large wp-image-9139" alt="" />															</div>
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									<p>加工された部品の表面の粗さと均一性は、その品質と機能性を確保するために重要な役割を果たします。図6は、表面仕上げを定量化するために使用した加工部品の親スキャンから抽出した表面積です。平均表面粗さ（Sa）は、2.31μmと算出された。</p>								</div>
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															<img loading="lazy" decoding="async" width="1024" height="313" src="https://nanovea.com/wp-content/uploads/2020/09/Machine-Parts-Inspection-with-a-Profilometer-3.png" class="attachment-large size-large wp-image-9140" alt="" />															</div>
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					<h2 class="elementor-heading-title elementor-size-default">まとめ</h2>				</div>
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									<p>今回は、高速センサーを搭載した非接触プロファイラー「NANOVEA HS2000」が、寸法や粗さなど総合的な表面検査を行う様子を紹介しました。 </p><p>高解像度スキャンにより、加工されたパーツの詳細な形態や表面形状を測定し、CADモデルとの定量的な比較を行うことができます。また、キズやクラックなどの欠陥も検出することが可能です。 </p><p>高度な輪郭解析は、加工された部品が設定された仕様を満たしているかどうかを判断するだけでなく、摩耗した部品の故障メカニズムを評価する比類のないツールとなっています。</p><p>ここに示したデータは、NANOVEA光学式プロファイラに搭載されている高度な解析ソフトウェアで可能な計算の一部に過ぎません。</p><div> </div>								</div>
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				</div><p>The post <a href="https://nanovea.com/ja/%e6%a9%9f%e6%a2%b0%e5%8a%a0%e5%b7%a5%e5%93%81%e6%a4%9c%e6%9f%bb/">Machined Parts Inspection</a> appeared first on <a href="https://nanovea.com/ja">NANOVEA: Advanced Profilometers, Tribometers, Nanoindenters, and Scratch Testers for Materials Testing</a>.</p>
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		<title>歯科用工具。寸法および表面粗さ解析</title>
		<link>https://nanovea.com/ja/%e3%83%87%e3%83%b3%e3%82%bf%e3%83%ab%e3%83%84%e3%83%bc%e3%83%ab%e6%ac%a1%e5%85%83%e3%83%bb%e8%a1%a8%e9%9d%a2%e7%b2%97%e3%81%95%e8%a7%a3%e6%9e%90%e6%b3%95/?utm_source=rss&#038;utm_medium=rss&#038;utm_campaign=dental-tools-dimensional-and-surface-roughness-analysis</link>
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		<dc:creator><![CDATA[Andrew Shore]]></dc:creator>
		<pubdate>Wed, 01 Jul 2020 18:25:00 +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 Testing]]></category>
		<guid ispermalink="false">https://nanovea.com/?p=8484</guid>

					<description><![CDATA[<p>INTRODUCTION &#160; Having precise dimensions and optimal surface roughness are vital to the functionality of dental screws. Many dental screw dimensions require high precision such as radii, angles, distances, and step heights. Understanding local surface roughness is also highly important for any medical tool or part being inserted inside the human body to minimize sliding friction. &#160; &#160; NON-CONTACT PROFILOMETRY FOR DIMENSIONAL STUDY &#160; Nanovea 3D Non-Contact Profilers use a chromatic light-based technology to measure any material surface: transparent, opaque, specular, diffusive, polished or rough. Unlike a touch probe technique, the non-contact technique can measure inside tight areas and will not add any intrinsic errors due to deformation caused by [&#8230;]</p>
<p>The post <a href="https://nanovea.com/ja/%e3%83%87%e3%83%b3%e3%82%bf%e3%83%ab%e3%83%84%e3%83%bc%e3%83%ab%e6%ac%a1%e5%85%83%e3%83%bb%e8%a1%a8%e9%9d%a2%e7%b2%97%e3%81%95%e8%a7%a3%e6%9e%90%e6%b3%95/">Dental Tools: Dimensional and Surface Roughness Analysis</a> appeared first on <a href="https://nanovea.com/ja">NANOVEA: Advanced Profilometers, Tribometers, Nanoindenters, and Scratch Testers for Materials Testing</a>.</p>
]]></description>
										<content:encoded><![CDATA[<p><a href="https://nanovea.com/App-Notes/Dental-Tools-Dimensional-and-Surface-Roughness-Analysis.pdf&quot;" target="_blank" rel="noopener"><br />
<img decoding="async" class="alignright" style="width: 200px;" src="https://nanovea.com/wp-content/uploads/2020/06/DOWNLOAD-PDF-BUTTON-A-s.png" /><br />
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<h2><em><strong>はじめに</strong></em></h2>
<p>&nbsp;</p>
<p>正確な寸法と最適な表面粗さは、歯科用ネジの機能にとって極めて重要です。歯科用ネジの寸法の多くは、半径、角度、距離、段差の高さなど、高い精度を必要とします。人体内に挿入される医療器具や部品にとって、滑り摩擦を最小限に抑えるために、局所的な表面粗さを理解することも非常に重要です。</p>
<p>&nbsp;</p>
<p>&nbsp;</p>
<h2><em><strong>寸法研究のための非接触形状測定</strong></em></h2>
<p>&nbsp;</p>
<p>ナノベーア <a href="https://nanovea.com/profilometers/">3D非接触プロファイラー</a> 色光ベースの技術を使用して、透明、不透明、鏡面、拡散、研磨、粗いなどのあらゆる材料表面を測定します。タッチプローブ技術とは異なり、非接触技術は狭い領域の内部を測定でき、先端が柔らかいプラスチック材料を押すことによって引き起こされる変形に起因する本質的な誤差が追加されることはありません。色光ベースの技術は、焦点変動技術と比較して優れた横方向および高さの精度も提供します。 Nanovea Profiler は、ステッチを行わずに大きな表面を直接スキャンし、数秒で部品の長さのプロファイルを作成できます。結果を操作する複雑なアルゴリズムを使用せずに表面を測定するプロファイラーの機能により、ナノからマクロ範囲の表面特徴と高い表面角度を測定できます。</p>
<p>&nbsp;</p>
<p>&nbsp;</p>
<h2><strong><em>測定目的</em></strong></h2>
<p>&nbsp;</p>
<p>このアプリケーションでは、Nanovea ST400 光学プロファイラーを使用して、1 回の測定で歯科用ネジを平坦部とネジ部の特徴に沿って測定しました。表面粗さは平坦な領域から計算され、ねじ切り部分のさまざまな寸法が決定されました。</p>
<p>&nbsp;</p>
<p><a href="https://nanovea.com/wp-content/uploads/2020/06/Measurement-Objective-OLD.jpg"><img loading="lazy" decoding="async" class="alignnone size-full wp-image-8505" src="https://nanovea.com/wp-content/uploads/2020/06/Measurement-Objective-OLD.jpg" alt="歯科用スクリューの品質管理" width="1319" height="665" /></a></p>
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<h6 style="text-align: center;"><em>分析された歯科用ネジのサンプル <strong>ナノビア</strong> 光学プロファイラー。</em></h6>
<p>&nbsp;</p>
<div style="text-align: center;">
<p><img loading="lazy" decoding="async" class="wp-image-8514 size-full" src="https://nanovea.com/wp-content/uploads/2020/06/dental-implant-screw-analyzed-s.jpg" alt="" width="200" height="83" /></p>
<h6 class="mceTemp" style="text-align: center;"><i>歯科用ネジのサンプルを分析しました。</i></h6>
</div>
<p>&nbsp;</p>
<h2><em><strong>結果</strong></em></h2>
<p>&nbsp;</p>
<p><strong><em>3Dサーフェス</em></strong></p>
<p>歯科用ネジの 3D ビューと疑似カラー ビューには、どちらかの側からネジ山が始まる平らな領域が表示されます。これは、さまざまな角度からネジの形態を直接観察するための簡単なツールをユーザーに提供します。フルスキャンから平坦な領域を抽出し、その表面粗さを測定しました。</p>
<p>&nbsp;</p>
<p><a href="https://nanovea.com/wp-content/uploads/2020/06/Dental-Screw-QC-13.png"><img loading="lazy" decoding="async" class="size-full wp-image-8525 aligncenter" src="https://nanovea.com/wp-content/uploads/2020/06/Dental-Screw-QC-13.png" alt="" width="996" height="746" /></a></p>
<p><a href="https://nanovea.com/wp-content/uploads/2020/06/Dental-Screw-QC-14.png"><img loading="lazy" decoding="async" class="size-full wp-image-8526 aligncenter" src="https://nanovea.com/wp-content/uploads/2020/06/Dental-Screw-QC-14.png" alt="" width="907" height="622" /></a></p>
<p><a href="https://nanovea.com/wp-content/uploads/2020/06/Dental-Screw-QC-15.png"><img loading="lazy" decoding="async" class="size-full wp-image-8527 aligncenter" src="https://nanovea.com/wp-content/uploads/2020/06/Dental-Screw-QC-15.png" alt="" width="1158" height="650" /></a></p>
<p>&nbsp;</p>
<p><em><strong>2D表面解析</strong></em></p>
<p>表面から線プロファイルを抽出して、ねじの断面図を表示することもできます。輪郭解析と段差解析を使用して、ネジの特定の位置の正確な寸法を測定しました。</p>
<p>&nbsp;</p>
<p><a href="https://nanovea.com/wp-content/uploads/2020/06/Dental-Screw-QC-16.png"><img loading="lazy" decoding="async" class="size-full wp-image-8528 aligncenter" src="https://nanovea.com/wp-content/uploads/2020/06/Dental-Screw-QC-16.png" alt="" width="964" height="854" /></a></p>
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<p><a href="https://nanovea.com/wp-content/uploads/2020/06/Dental-Screw-QC-17.png"><img loading="lazy" decoding="async" class="size-full wp-image-8529 aligncenter" src="https://nanovea.com/wp-content/uploads/2020/06/Dental-Screw-QC-17.png" alt="" width="1117" height="634" /></a></p>
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<p><a href="https://nanovea.com/wp-content/uploads/2020/06/Dental-Screw-QC-18.png"><img loading="lazy" decoding="async" class="size-full wp-image-8530 aligncenter" src="https://nanovea.com/wp-content/uploads/2020/06/Dental-Screw-QC-18.png" alt="" width="1102" height="697" /></a></p>
<p>&nbsp;</p>
<p><a href="https://nanovea.com/wp-content/uploads/2020/06/Dental-Screw-Profilometer.jpg"><img loading="lazy" decoding="async" class="size-full wp-image-8532 aligncenter" src="https://nanovea.com/wp-content/uploads/2020/06/Dental-Screw-Profilometer.jpg" alt="" width="1000" height="561" /></a></p>
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<h2><em><strong>まとめ</strong></em></h2>
<p>&nbsp;</p>
<p>このアプリケーションでは、局所的な表面粗さを正確に計算し、1 回のスキャンで大きな寸法形状を測定する Nanovea 3D 非接触プロファイラーの機能を紹介しました。</p>
<p>データは、局所的な表面粗さが 0.9637 μm であることを示しています。ねじ山の間のねじの半径は 1.729 mm であることが判明し、ねじ山の平均高さは 0.413 mm でした。ねじ山の間の平均角度は 61.3°であると測定されました。</p>
<p>ここに掲載したデータは、解析ソフトで利用できる計算の一部に過ぎません。</p>
<p>&nbsp;</p>
<p style="text-align: center;">作成者<br />
Duanjie Li 博士、Jonathan Thomas、Pierre Leroux</p><p>The post <a href="https://nanovea.com/ja/%e3%83%87%e3%83%b3%e3%82%bf%e3%83%ab%e3%83%84%e3%83%bc%e3%83%ab%e6%ac%a1%e5%85%83%e3%83%bb%e8%a1%a8%e9%9d%a2%e7%b2%97%e3%81%95%e8%a7%a3%e6%9e%90%e6%b3%95/">Dental Tools: Dimensional and Surface Roughness Analysis</a> appeared first on <a href="https://nanovea.com/ja">NANOVEA: Advanced Profilometers, Tribometers, Nanoindenters, and Scratch Testers for Materials Testing</a>.</p>
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