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	<title>Scratch Testing | Scratch Hardness Application Notes - NANOVEA: Advanced Profilometers, Tribometers, Nanoindenters, and Scratch Testers for Materials Testing</title>
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	<link>https://nanovea.com/pt/categoria/notas-de-aplicacao/testes-mecanicos/teste-de-arranhoes-dureza-de-arranhoes/</link>
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	<title>Scratch Testing | Scratch Hardness Application Notes - NANOVEA: Advanced Profilometers, Tribometers, Nanoindenters, and Scratch Testers for Materials Testing</title>
	<link>https://nanovea.com/pt/categoria/notas-de-aplicacao/testes-mecanicos/teste-de-arranhoes-dureza-de-arranhoes/</link>
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		<title>Dureza de Arranhão a Alta Temperatura usando um Tribômetro</title>
		<link>https://nanovea.com/pt/dureza-ao-risco-a-alta-temperatura-utilizando-um-tribometro/?utm_source=rss&#038;utm_medium=rss&#038;utm_campaign=high-temperature-scratch-hardness-using-a-tribometer</link>
					<comments>https://nanovea.com/pt/dureza-ao-risco-a-alta-temperatura-utilizando-um-tribometro/#respond</comments>
		
		<dc:creator><![CDATA[nanovea]]></dc:creator>
		<pubdate>Qui, 14 de julho de 2022 16:56:16 +0000</pubdate>
				<category><![CDATA[Application Notes]]></category>
		<category><![CDATA[High Temperature Mechanical Testing]]></category>
		<category><![CDATA[High Temperature Tribology]]></category>
		<category><![CDATA[Laboratory Testing]]></category>
		<category><![CDATA[Mechanical Testing]]></category>
		<category><![CDATA[Scratch Testing | Scratch Hardness]]></category>
		<category><![CDATA[Scratch Testing Tribology]]></category>
		<category><![CDATA[Tribology Testing]]></category>
		<guid ispermalink="false">https://nanovea.com/?p=21189</guid>

					<description><![CDATA[<p>HIGH TEMPERATURE SCRATCH HARDNESS USING A TRIBOMETER Prepared by DUANJIE, PhD INTRODUCTION Hardness measures the resistance of materials to permanent or plastic deformation. Originally developed by a German mineralogist Friedrich Mohs in 1820, scratch hardness test determines the hardness of a material to scratches and abrasion due to friction from a sharp object1. The Mohs&#8217; [&#8230;]</p>
<p>The post <a href="https://nanovea.com/pt/dureza-ao-risco-a-alta-temperatura-utilizando-um-tribometro/">High Temperature Scratch Hardness using a Tribometer</a> appeared first on <a href="https://nanovea.com/pt">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="21189" class="elementor elementor-21189" data-elementor-post-type="post">
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					<h1 class="elementor-heading-title elementor-size-default">DUREZA DE ARRANHÕES A ALTAS TEMPERATURAS</h1>				</div>
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					<h2 class="elementor-heading-title elementor-size-default">USANDO UM TRIBÔMETRO</h2>				</div>
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															<img fetchpriority="high" decoding="async" width="768" height="217" src="https://nanovea.com/wp-content/uploads/2022/07/High-Temperature-Tribology.jpg" class="attachment-medium_large size-medium_large wp-image-21179" alt="" />															</div>
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					<h2 class="elementor-heading-title elementor-size-default">Preparado por</h2>				</div>
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					<h2 class="elementor-heading-title elementor-size-default">DUANJIE, PhD</h2>				</div>
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					<h2 class="elementor-heading-title elementor-size-default">INTRODUÇÃO</h2>				</div>
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									<p>A dureza mede a resistência dos materiais à deformação permanente ou plástica. Desenvolvido originalmente por um mineralogista alemão Friedrich Mohs em 1820, o teste de dureza de arranhões determina a dureza de um material a arranhões e abrasão devido ao atrito de um objeto cortante.<sup>1</sup>. A escala de Mohs é um índice comparativo e não uma escala linear, portanto uma medição de dureza de arranhões mais precisa e qualitativa foi desenvolvida como descrito na norma ASTM G171-03.<sup>2</sup>. Ele mede a largura média do risco criado por um estilete de diamante e calcula o número de dureza do risco (HSP).</p>								</div>
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					<h2 class="elementor-heading-title elementor-size-default">IMPORTÂNCIA DA MEDIÇÃO DA DUREZA DOS ARRANHÕES EM ALTAS TEMPERATURAS</h2>				</div>
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									<p>Os materiais são selecionados com base nas exigências do serviço. Para aplicações que envolvem mudanças significativas de temperatura e gradientes térmicos, é fundamental investigar as propriedades mecânicas dos materiais a altas temperaturas para estar plenamente ciente dos limites mecânicos. Os materiais, especialmente os polímeros, geralmente amolecem a altas temperaturas. Muitas falhas mecânicas são causadas pela deformação por fluência e fadiga térmica ocorrendo apenas a temperaturas elevadas. Portanto, uma técnica confiável para medir a dureza a altas temperaturas é necessária para garantir uma seleção adequada dos materiais para aplicações a altas temperaturas.</p>								</div>
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									<p style="text-align: left;">OBJETIVO DA MEDIÇÃO</p>								</div>
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									<p>Neste estudo, o Tribômetro NANOVEA T50 mede a dureza ao risco de uma amostra de Teflon em diferentes temperaturas, desde a temperatura ambiente até 300ºC. A capacidade de realizar medições de dureza a riscos em alta temperatura torna o NANOVEA <a href="https://nanovea.com/tribometers/">Tribômetro </a>um sistema versátil para avaliações tribológicas e mecânicas de materiais para aplicações em altas temperaturas.</p>								</div>
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									<p style="text-align: left;">NANOVEA</p>								</div>
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									<p style="text-align: left;">T50</p>								</div>
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									<span class="elementor-button-text">SAIBA MAIS</span>
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																<a href="https://nanovea.com/instruments/t50">
							<img decoding="async" width="705" height="695" src="https://nanovea.com/wp-content/uploads/2020/12/Robust-Tribometer-Nanovea-T50.png" class="elementor-animation-grow attachment-medium_large size-medium_large wp-image-9876" alt="" />								</a>
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					<h2 class="elementor-heading-title elementor-size-default">CONDIÇÕES DE TESTE</h2>				</div>
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									<p>O Tribômetro NANOVEA T50 Free Weight Standard foi usado para realizar os testes de dureza de arranhões em uma amostra de Teflon a temperaturas que variam da temperatura ambiente (RT) a 300°C. O teflon tem um ponto de derretimento de 326,8°C. Foi utilizada uma ponta diamantada cônica de ângulo de ápice de 120° com raio de ponta de 200 µm. A amostra de teflon foi fixada no estágio rotativo da amostra com uma distância de 10 mm até o centro do estágio. A amostra foi aquecida por um forno e testada a temperaturas de RT, 50°C, 100°C, 150°C, 200°C, 250°C e 300°C.</p>								</div>
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									<p style="text-align: center;">PARÂMETROS DE TESTE</p>								</div>
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									<p>da medição da dureza de arranhões a alta temperatura</p>								</div>
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<td style="width: 50%; text-align: left;"><em><strong style="color: #1b96cf;">FORÇA NORMAL</strong></em></td>
<td style="width: 50%; text-align: right;"><em><strong>2 N</strong></em></td>
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<td style="width: 50%; text-align: left;"><em><strong style="color: #1b96cf;">VELOCIDADE DE DESLIZAMENTO</strong></em></td>
<td style="width: 50%; text-align: right;"><em><strong>1 mm/s</strong></em></td>
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<td style="width: 50%; text-align: left;"><em><strong style="color: #1b96cf;">DISTÂNCIA DE DESLIZAMENTO</strong></em></td>
<td style="width: 50%; text-align: right;"><em><strong>8mm por temperatura</strong></em></td>
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<td style="width: 50%; text-align: left;"><em><strong style="color: #1b96cf;">ATMOSPHERE</strong></em></td>
<td style="width: 50%; text-align: right;"><em><strong>Ar</strong></em></td>
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<td style="width: 50%; text-align: left;"><em><strong style="color: #1b96cf;">TEMPERATURA</strong></em></td>
<td style="width: 50%; text-align: right;"><em><strong>RT, 50°C, 100°C, 150°C, 200°C, 250°C, 300°C.</strong></em></td>
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															<img decoding="async" width="758" height="514" src="https://nanovea.com/wp-content/uploads/2022/07/High-Temperature-Scratch-Hardness.jpg" class="attachment-large size-large wp-image-21178" alt="" />															</div>
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					<h2 class="elementor-heading-title elementor-size-default">RESULTADOS &amp; DISCUSSÃO</h2>				</div>
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									<p style="text-align: left;">Os perfis de arranhões da amostra de Teflon em diferentes temperaturas são mostrados no FIGURA 1 para comparar a dureza do arranhão em diferentes temperaturas elevadas. O acúmulo de material nas bordas da trilha de arranhão se forma à medida que a ponta se desloca a uma velocidade constante viaja com uma carga constante de 2 N e arado na amostra de Teflon, empurrando e deformando o material no arranhão para o lado.</p><p>Os rastros de arranhões foram examinados sob o microscópio ótico, como mostrado na FIGURA 2. As larguras dos arranhões medidas e os números calculados de dureza de arranhão (HSP) são resumidos e comparados na FIGURA 3. A largura do arranhão medida pelo microscópio está de acordo com a medida usando o Perfilômetro  NANOVEA - a amostra de Teflon exibe uma largura de arranhão maior a temperaturas mais altas. Sua largura de arranhão aumenta de 281 para 539 µm à medida que a temperatura se eleva de RT para 300oC, resultando na diminuição do HSP de 65 para 18 MPa.</p><p>A dureza dos arranhões em temperaturas elevadas pode ser medida com alta precisão e repetibilidade usando o Tribômetro NANOVEA T50. Ele fornece uma solução alternativa a partir de outras medições de dureza e faz do NANOVEA Tribometer um sistema mais completo para avaliações tribo-mecânicas abrangentes em alta temperatura.</p>								</div>
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									<p style="text-align: center;"><span class="fontstyle0" style="color: #1b96cf;">FIGURA 1:</span><span class="fontstyle0" style="color: #1b96cf;"><span style="color: #000000;"><span class="fontstyle0"> </span>Perfis de arranhões após os testes de dureza de arranhão em diferentes temperaturas.</span></p>								</div>
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									<p style="text-align: center;"><span class="fontstyle0" style="color: #1b96cf;">FIGURA 2:</span><span class="fontstyle0" style="color: #000000;"> Arranhões sob o microscópio após as medições em diferentes temperaturas.</span></p>								</div>
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															<img loading="lazy" decoding="async" width="1024" height="776" src="https://nanovea.com/wp-content/uploads/2022/07/Scratch-Hardness-at-High-Temperature.jpg" class="attachment-large size-large wp-image-21180" alt="" />															</div>
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									<p style="text-align: center;"><span class="fontstyle0" style="color: #1b96cf;">FIGURA 3:</span><span class="fontstyle0" style="color: #000000;"> Evolução da largura da pista de Arranhões e da dureza da Arranhão em relação à temperatura.</span></p>								</div>
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					<h2 class="elementor-heading-title elementor-size-default">CONCLUSÃO</h2>				</div>
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									<p>Neste estudo, mostramos como o Tribômetro NANOVEA mede a dureza dos arranhões a temperaturas elevadas em conformidade com a norma ASTM G171-03. O teste de dureza de arranhões com carga constante fornece uma solução alternativa simples para comparar a dureza dos materiais usando o tribômetro. A capacidade de realizar medições de dureza de arranhões a temperaturas elevadas faz do Tribômetro NANOVEA uma ferramenta ideal para avaliar as propriedades tribo-mecânicas de materiais a altas temperaturas.</p><p>O Tribômetro NANOVEA também oferece testes de desgaste e atrito precisos e repetíveis usando os modos rotativo e linear conforme ISO e ASTM, com módulos opcionais de desgaste a alta temperatura, lubrificação e tribo-corrosão disponíveis em um sistema pré-integrado. O Perfilômetro 3D sem contato opcional está disponível para imagens 3D de alta resolução de faixas de desgaste, além de outras medições de superfície, como rugosidade.</p>								</div>
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									<p><span class="fontstyle0">1 </span><span class="fontstyle2">Wredenberg, Fredrik; PL Larsson (2009). "Teste de arranhão de metais e polímeros: Experimentos e numéricos". Desgaste 266 (1-2): 76<br></span><span class="fontstyle0">2 </span><span class="fontstyle2">ASTM G171-03 (2009), "Standard Test Method for Scratch Hardness of Materials Using a Diamond Stylus</span> </p>								</div>
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				</div><p>The post <a href="https://nanovea.com/pt/dureza-ao-risco-a-alta-temperatura-utilizando-um-tribometro/">High Temperature Scratch Hardness using a Tribometer</a> appeared first on <a href="https://nanovea.com/pt">NANOVEA: Advanced Profilometers, Tribometers, Nanoindenters, and Scratch Testers for Materials Testing</a>.</p>
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		<title>Medição da Dureza de Arranhões usando o Testador Mecânico</title>
		<link>https://nanovea.com/pt/medidor-de-riscos-medidas-usando-teste-mecanico/?utm_source=rss&#038;utm_medium=rss&#038;utm_campaign=scratch-hardness-measurement-using-mechanical-tester</link>
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		<dc:creator><![CDATA[nanovea]]></dc:creator>
		<pubdate>Qui, 12 de maio de 2022 17:37:48 +0000</pubdate>
				<category><![CDATA[Application Notes]]></category>
		<category><![CDATA[Laboratory Testing]]></category>
		<category><![CDATA[Mechanical Testing]]></category>
		<category><![CDATA[Scratch Testing | Scratch Hardness]]></category>
		<guid ispermalink="false">https://nanovea.com/?p=19513</guid>

					<description><![CDATA[<p>SCRATCH HARDNESS MEASUREMENT USING A MECHANICAL TESTER Prepared by DUANJIE LI, PhD INTRODUCTION In general, hardness tests measure the resistance of materials to permanent or plastic deformation. There are three types of hardness measurements: scratch hardness, indentation hardness and rebound hardness. A scratch hardness test measures a material&#8217;s resistance to scratch and abrasion due to [&#8230;]</p>
<p>The post <a href="https://nanovea.com/pt/medidor-de-riscos-medidas-usando-teste-mecanico/">Scratch Hardness Measurement using Mechanical Tester</a> appeared first on <a href="https://nanovea.com/pt">NANOVEA: Advanced Profilometers, Tribometers, Nanoindenters, and Scratch Testers for Materials Testing</a>.</p>
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					<h1 class="elementor-heading-title elementor-size-default">MEDIÇÃO DA DUREZA DOS ARRANHÕES</h1>				</div>
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					<h2 class="elementor-heading-title elementor-size-default">USANDO UM TESTADOR MECÂNICO</h2>				</div>
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															<img loading="lazy" decoding="async" width="768" height="242" src="https://nanovea.com/wp-content/uploads/2022/05/Scratch-Hardness-of-Metals.jpg" class="attachment-medium_large size-medium_large wp-image-19517" alt="" />															</div>
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					<h2 class="elementor-heading-title elementor-size-default">Preparado por</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">INTRODUÇÃO</h2>				</div>
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									<p>Em geral, os testes de dureza medem a resistência dos materiais à deformação permanente ou plástica. Há três tipos de medidas de dureza: dureza de arranhão, dureza de recuo e dureza de ricochete. Um teste de dureza de arranhão mede a resistência de um material ao arranhão e à abrasão devido ao atrito de um objeto cortante1. Foi originalmente desenvolvido pelo mineralogista alemão Friedrich Mohs em 1820 e ainda é amplamente utilizado para classificar as propriedades físicas dos minerais2. Este método de teste também é aplicável a metais, cerâmicas, polímeros e superfícies revestidas.</p><p>Durante uma medição de dureza de arranhões, uma ponta de diamante de geometria especificada risca na superfície de um material ao longo de um caminho linear sob uma força normal constante com uma velocidade constante. A largura média do risco é medida e usada para calcular o número de dureza do risco (HSP). Esta técnica fornece uma solução simples para escalonar a dureza de diferentes materiais.</p>								</div>
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									<p style="text-align: left;">OBJETIVO DA MEDIÇÃO</p>								</div>
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									<p>Neste estudo, o Testador Mecânico NANOVEA PB1000 é usado para medir a dureza de arranhões de diferentes metais em conformidade com a ASTM G171-03.</p><p>Simultaneamente, este estudo mostra a capacidade da NANOVEA <a href="https://nanovea.com/mechanical-testers/">Testador Mecânico</a> na realização de medições de dureza com alta precisão e reprodutibilidade.</p>								</div>
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									<p style="text-align: left;">NANOVEA</p>								</div>
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									<p style="text-align: left;">PB1000</p>								</div>
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									<span class="elementor-button-text">SAIBA MAIS</span>
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																<a href="https://nanovea.com/instruments/pb1000/">
							<img loading="lazy" decoding="async" width="750" height="804" src="https://nanovea.com/wp-content/uploads/2020/12/Nanovea-PB1000-scratch-test-and-indentation.png" class="elementor-animation-grow attachment-medium_large size-medium_large wp-image-9934" alt="nanoindenter e testador de arranhões Nanovea PB1000" />								</a>
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					<h2 class="elementor-heading-title elementor-size-default">CONDIÇÕES DE TESTE</h2>				</div>
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									<p style="text-align: left;">O NANOVEA PB1000 Mechanical Tester realizou testes de dureza de arranhões em três metais polidos (Cu110, Al6061 e SS304). Foi usado um estilete cônico de diamante com ângulo de ponta de 120° e raio de ponta de 200 µm. Cada amostra foi riscada três vezes com os mesmos parâmetros de teste para garantir a reprodutibilidade dos resultados. Os parâmetros de teste estão resumidos abaixo. Uma varredura de perfil em uma carga normal baixa de 10 mN foi realizada antes e depois do <a href="https://nanovea.com/scratch-tester/">teste de raspagem</a> para medir a mudança no perfil da superfície do arranhão.</p>								</div>
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									<p style="text-align: center;"><span class="fontstyle0" style="color: #1b96cf;"><span style="color: #000000;"><span style="color: #1b96cf;">PARÂMETROS DE TESTE</span></span></span></p>								</div>
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									<p>FORÇA NORMAL</p>								</div>
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									<p>10 N</p>								</div>
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									<p>TEMPERATURA</p>								</div>
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									<p>24°C (RT)</p>								</div>
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									<p>VELOCIDADE DE DESLIZAMENTO</p>								</div>
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									<p>20 mm/min</p>								</div>
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									<p>DISTÂNCIA DE DESLIZAMENTO</p>								</div>
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									<p>10 mm</p>								</div>
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									<p>ATMOSPHERE</p>								</div>
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									<p>Ar</p>								</div>
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					<h2 class="elementor-heading-title elementor-size-default">RESULTADOS &amp; DISCUSSÃO</h2>				</div>
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									<p style="text-align: left;">As imagens dos rastros de três metais (Cu110, Al6061 e SS304) após os testes são mostradas no FIGURA 1 para comparar a dureza dos rastros de diferentes materiais. A função de mapeamento do software mecânico NANOVEA foi usada para criar três riscos paralelos testados sob a mesma condição em um protocolo automatizado. A largura medida da pista de raspagem e o número calculado de dureza de raspagem (HSP) são resumidos e comparados na TABELA 1. Os metais mostram diferentes larguras de pista de desgaste de 174, 220 e 89 µm para Al6061, Cu110 e SS304, respectivamente, resultando em um HSP calculado de 0,84, 0,52 e 3,2 GPa.</p><p style="text-align: left;">Além da dureza da raspagem computada a partir da largura da raspagem, a evolução do coeficiente de atrito (COF), profundidade verdadeira e emissão acústica foram registradas in situ durante o teste de dureza da raspagem. Aqui, a profundidade verdadeira é a diferença de profundidade entre a profundidade de penetração da ponta durante o teste de raspagem e o perfil de superfície medido na pré-digitalização. O COF, profundidade verdadeira e emissão acústica do Cu110 são mostrados no FIGURA 2 como um exemplo. Tais informações fornecem uma visão das falhas mecânicas que ocorrem durante a raspagem, permitindo aos usuários detectar defeitos mecânicos e investigar melhor o comportamento da raspagem do material testado.</p><p style="text-align: left;">Os testes de dureza de arranhões podem ser terminados em poucos minutos com alta precisão e repetibilidade. Em comparação com os procedimentos convencionais de indentação, o teste de dureza de arranhões neste estudo fornece uma solução alternativa para medições de dureza, que é útil para o controle de qualidade e o desenvolvimento de novos materiais.</p>								</div>
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															<img loading="lazy" decoding="async" width="612" height="459" src="https://nanovea.com/wp-content/uploads/2022/05/Scratch-Hardness-Test.jpg" class="attachment-large size-large wp-image-19518" alt="" />															</div>
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									<p>Al6061</p>								</div>
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															<img loading="lazy" decoding="async" width="611" height="459" src="https://nanovea.com/wp-content/uploads/2022/05/Scratch-Hardness-Tester.jpg" class="attachment-large size-large wp-image-19519" alt="" />															</div>
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									<p>Cu110</p>								</div>
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															<img loading="lazy" decoding="async" width="611" height="458" src="https://nanovea.com/wp-content/uploads/2022/05/Scratch-Hardness-Testing.jpg" class="attachment-large size-large wp-image-19520" alt="" />															</div>
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									<p>SS304</p>								</div>
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									<p style="text-align: center;"><span class="fontstyle0" style="color: #1b96cf;">FIGURA 1: </span><span class="fontstyle0" style="color: #1b96cf;"><span style="color: #000000;"><span class="fontstyle0">Imagem microscópica dos rastros de risco pós-teste (ampliação de 100x).</span><br /></span></span></p>								</div>
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															<img loading="lazy" decoding="async" width="599" height="416" src="https://nanovea.com/wp-content/uploads/2022/05/Scratch-Testing-NANOVEA.jpg" class="attachment-large size-large wp-image-19521" alt="" />															</div>
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									<table style="width: 100%; border-collapse: collapse;"><tbody><tr><td style="width: 18.9687%;"> </td><td style="width: 49.6317%; text-align: center;"><strong><em>Largura da pista de raspagem (μm)</em></strong></td><td style="width: 31.3995%; text-align: center;"><strong><em>HS<sub>p</sub> (GPa)</em></strong></td></tr><tr><td style="width: 18.9687%; text-align: left;"><em><strong>Al6061</strong></em></td><td style="width: 49.6317%; text-align: center;"><em>174±11</em></td><td style="width: 31.3995%; text-align: center;"><em>0.84</em></td></tr><tr><td style="width: 18.9687%;"><em><strong>Cu110</strong></em></td><td style="width: 49.6317%; text-align: center;"><em>220±1</em></td><td style="width: 31.3995%; text-align: center;"><em>0.52</em></td></tr><tr><td style="width: 18.9687%;"><em><strong>SS304</strong></em></td><td style="width: 49.6317%; text-align: center;"><em>89±5</em></td><td style="width: 31.3995%; text-align: center;"><em>3.20</em></td></tr></tbody></table>								</div>
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									<p style="text-align: center;"><span class="fontstyle0" style="color: #1b96cf;">TABELA 1: </span><span class="fontstyle0" style="color: #1b96cf;"><span style="color: #000000;"><span class="fontstyle0">Resumo da largura da pista de raspagem e do número de dureza da raspagem.</span><br /></span></span></p>								</div>
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															<img loading="lazy" decoding="async" width="600" height="402" src="https://nanovea.com/wp-content/uploads/2022/05/Metals-Scratch-Hardness.jpg" class="attachment-large size-large wp-image-19516" alt="" />															</div>
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									<p style="text-align: center;"><span class="fontstyle0" style="color: #1b96cf;">FIGURA 2:</span><span class="fontstyle0" style="color: #1b96cf;"><span style="color: #000000;"><span class="fontstyle0"> A evolução do coeficiente de atrito, profundidade verdadeira e emissões acústicas durante o teste de dureza de arranhões no Cu110.</span><br /></span></span></p>								</div>
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					<h2 class="elementor-heading-title elementor-size-default">CONCLUSÃO</h2>				</div>
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									<p>Neste estudo, demonstramos a capacidade do Testador Mecânico NANOVEA em realizar testes de dureza de arranhões em conformidade com a ASTM G171-03. Além da adesão do revestimento e da resistência aos riscos, o teste de raspagem com carga constante fornece uma solução alternativa simples para comparar a dureza dos materiais. Em contraste com os ensaios de dureza de arranhões convencionais, os ensaios mecânicos NANOVEA oferecem módulos opcionais para monitorar a evolução do coeficiente de atrito, emissão acústica e profundidade real in situ.</p><p>Os módulos Nano e Micro de um Testador Mecânico NANOVEA incluem indentação compatível com ISO e ASTM, modos de teste de arranhões e desgaste, proporcionando a mais ampla e mais fácil de usar gama de testes disponíveis em um único sistema. A gama inigualável do NANOVEA é uma solução ideal para determinar a gama completa de propriedades mecânicas de revestimentos finos ou grossos, macios ou duros, filmes e substratos, incluindo dureza, módulo Young, resistência à fratura, aderência, resistência ao desgaste e muitos outros.</p>								</div>
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				</div><p>The post <a href="https://nanovea.com/pt/medidor-de-riscos-medidas-usando-teste-mecanico/">Scratch Hardness Measurement using Mechanical Tester</a> appeared first on <a href="https://nanovea.com/pt">NANOVEA: Advanced Profilometers, Tribometers, Nanoindenters, and Scratch Testers for Materials Testing</a>.</p>
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		<title>Um Olhar MELHOR sobre Lentes de Policarbonato</title>
		<link>https://nanovea.com/pt/investigando-as-propriedades-da-lente-plastica/?utm_source=rss&#038;utm_medium=rss&#038;utm_campaign=investigating-the-properties-of-plastic-lens</link>
					<comments>https://nanovea.com/pt/investigando-as-propriedades-da-lente-plastica/#respond</comments>
		
		<dc:creator><![CDATA[nanovea]]></dc:creator>
		<pubdate>Seg, 28 de janeiro de 2019 19:14:37 +0000</pubdate>
				<category><![CDATA[Application Notes]]></category>
		<category><![CDATA[Laboratory Testing]]></category>
		<category><![CDATA[Mechanical Testing]]></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>
		<category><![CDATA[Scratch Testing | Cohesive Failure]]></category>
		<category><![CDATA[Scratch Testing | Scratch Hardness]]></category>
		<category><![CDATA[Uncategorized]]></category>
		<guid ispermalink="false">https://nanovea.com/?p=4354</guid>

					<description><![CDATA[<p>Uma Olhada MELHOR em Lentes de Policarbonato Saiba mais</p>
<p>The post <a href="https://nanovea.com/pt/investigando-as-propriedades-da-lente-plastica/">A BETTER Look at Polycarbonate Lens</a> appeared first on <a href="https://nanovea.com/pt">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="4354" class="elementor elementor-4354" data-elementor-post-type="post">
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									Um Olhar MELHOR sobre Lentes de Policarbonato

Saiba mais								</div>
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									As lentes de policarbonato são comumente usadas em muitas aplicações ópticas. Sua alta resistência ao impacto, baixo peso e custo baixo de produção de alto volume as torna mais práticas do que o vidro tradicional em várias aplicações [1].

Algumas dessas aplicações exigem critérios de segurança (por exemplo, óculos de proteção), complexidade (por exemplo, lentes Fresnel) ou durabilidade (por exemplo, lentes de semáforo) que são difíceis de atender sem o uso de plásticos. Sua capacidade de atender a muitos requisitos de forma barata, mantendo qualidades óticas suficientes, faz com que as lentes plásticas se destaquem em seu campo. As lentes de policarbonato também têm limitações. A principal preocupação dos consumidores é a facilidade com que eles podem ser arranhados. Para compensar isto, processos extras podem ser realizados para aplicar um revestimento anti-riscos.

A Nanovea analisa algumas propriedades importantes das lentes de plástico utilizando nossos três instrumentos de metrologia: <a href="https://nanovea.com/instruments/?p=profilometers">Profilômetro</a>, <a href="https://nanovea.com/instruments/?p=tribometers">Tribômetro</a>e <a href="https://nanovea.com/instruments/?p=mechanicaltesters">Testador Mecânico</a>.

&nbsp;

<a href="http://nanovea.com/App-Notes/A-Better-Look-at-Polycarbonate-Lens-Nanovea.pdf">Clique para ler mais!</a>								</div>
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				</div><p>The post <a href="https://nanovea.com/pt/investigando-as-propriedades-da-lente-plastica/">A BETTER Look at Polycarbonate Lens</a> appeared first on <a href="https://nanovea.com/pt">NANOVEA: Advanced Profilometers, Tribometers, Nanoindenters, and Scratch Testers for Materials Testing</a>.</p>
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		<title>Dureza de Arranhão a Alta Temperatura usando Tribômetro</title>
		<link>https://nanovea.com/pt/dureza-de-arranhao-de-alta-temperatura-usando-tribometro/?utm_source=rss&#038;utm_medium=rss&#038;utm_campaign=high-temperature-scratch-hardness-using-tribometer</link>
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		<dc:creator><![CDATA[nanovea]]></dc:creator>
		<pubdate>Ter, 24 de novembro de 2015 15:34:17 +0000</pubdate>
				<category><![CDATA[Application Notes]]></category>
		<category><![CDATA[High Temperature Mechanical Testing]]></category>
		<category><![CDATA[High Temperature Tribology]]></category>
		<category><![CDATA[Laboratory Testing]]></category>
		<category><![CDATA[Mechanical Testing]]></category>
		<category><![CDATA[Scratch Testing | Scratch Hardness]]></category>
		<category><![CDATA[Scratch Testing Tribology]]></category>
		<category><![CDATA[Tribology Testing]]></category>
		<category><![CDATA[high temperature]]></category>
		<category><![CDATA[scratch hardness]]></category>
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		<category><![CDATA[tribometer]]></category>
		<guid ispermalink="false">http://nanovea.com/?p=2139</guid>

					<description><![CDATA[<p>Materials are selected based on the service requirements. For applications involving significant temperature changes and thermal gradients, it is critical to investigate the mechanical properties of materials at high temperatures to be fully aware of the mechanical limits. Materials, especially polymers, usually soften at high temperatures. A lot of mechanical failures are caused by creep deformation [&#8230;]</p>
<p>The post <a href="https://nanovea.com/pt/dureza-de-arranhao-de-alta-temperatura-usando-tribometro/">High Temperature Scratch Hardness Using Tribometer</a> appeared first on <a href="https://nanovea.com/pt">NANOVEA: Advanced Profilometers, Tribometers, Nanoindenters, and Scratch Testers for Materials Testing</a>.</p>
]]></description>
										<content:encoded><![CDATA[<p>Os materiais são selecionados com base nas exigências do serviço. Para aplicações que envolvem mudanças significativas de temperatura e gradientes térmicos, é fundamental investigar as propriedades mecânicas dos materiais a altas temperaturas para estar plenamente ciente dos limites mecânicos. Os materiais, especialmente os polímeros, geralmente amolecem a altas temperaturas. Muitas falhas mecânicas são causadas pela deformação por fluência e fadiga térmica ocorrendo apenas a temperaturas elevadas. Portanto, uma técnica confiável para medir a dureza de arranhões a altas temperaturas é necessária para garantir uma seleção adequada dos materiais para aplicações a altas temperaturas.</p>
<p><a href="https://nanovea.com/wp-content/themes/wp-nanovea/Application%20Notes/high-temperature-tribology.pdf" target="_blank" rel="noopener noreferrer">Dureza de Arranhão a Alta Temperatura usando Tribômetro</a></p>
<p>&nbsp;</p><p>The post <a href="https://nanovea.com/pt/dureza-de-arranhao-de-alta-temperatura-usando-tribometro/">High Temperature Scratch Hardness Using Tribometer</a> appeared first on <a href="https://nanovea.com/pt">NANOVEA: Advanced Profilometers, Tribometers, Nanoindenters, and Scratch Testers for Materials Testing</a>.</p>
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		<title>Medição da dureza dos arranhões usando o Tribômetro</title>
		<link>https://nanovea.com/pt/medicao-de-dureza-de-arranhoes-usando-um-tribometro-2/?utm_source=rss&#038;utm_medium=rss&#038;utm_campaign=scratch-hardness-measurement-using-tribometer</link>
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		<dc:creator><![CDATA[nanovea]]></dc:creator>
		<pubdate>Sábado, 08 de novembro de 2014 02:37:40 +0000</pubdate>
				<category><![CDATA[Application Notes]]></category>
		<category><![CDATA[Friction Testing | Coefficient of Friction]]></category>
		<category><![CDATA[Laboratory Testing]]></category>
		<category><![CDATA[Mechanical Testing]]></category>
		<category><![CDATA[Scratch Testing | Scratch Hardness]]></category>
		<category><![CDATA[Scratch Testing Tribology]]></category>
		<category><![CDATA[Tribology Testing]]></category>
		<category><![CDATA[scratch hardness]]></category>
		<guid ispermalink="false">http://nanovea.com/?p=861</guid>

					<description><![CDATA[<p>In this study, the Nanovea Tribometer is used to measure the scratch hardness of different metals. The capacity of performing scratch hardness measurement with high precision and reproducibility makes Nanovea Tribometer a more complete system for tribological and mechanical evaluations. Scratch Hardness Measurement Using Tribometer</p>
<p>The post <a href="https://nanovea.com/pt/medicao-de-dureza-de-arranhoes-usando-um-tribometro-2/">Scratch Hardness Measurement Using Tribometer</a> appeared first on <a href="https://nanovea.com/pt">NANOVEA: Advanced Profilometers, Tribometers, Nanoindenters, and Scratch Testers for Materials Testing</a>.</p>
]]></description>
										<content:encoded><![CDATA[<p>Neste estudo, a Nanovea <a title="tribômetro" href="https://nanovea.com/tribometers" target="_blank" rel="noopener noreferrer">Tribômetro</a> é usado para medir a dureza dos arranhões de diferentes metais. O<br />
capacidade de realizar medições de dureza de arranhões com alta precisão e reprodutibilidade faz<br />
Nanovea Tribometer um sistema mais completo para avaliações tribológicas e mecânicas.</p>
<p><a title="dureza dos arranhões" href="https://nanovea.com/wp-content/themes/wp-nanovea/Application%20Notes/tribometer-scratch-hardness.pdf">Medição da dureza dos arranhões usando o Tribômetro</a></p><p>The post <a href="https://nanovea.com/pt/medicao-de-dureza-de-arranhoes-usando-um-tribometro-2/">Scratch Hardness Measurement Using Tribometer</a> appeared first on <a href="https://nanovea.com/pt">NANOVEA: Advanced Profilometers, Tribometers, Nanoindenters, and Scratch Testers for Materials Testing</a>.</p>
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		<title>Propriedades mecânicas e tribológicas da fibra de carbono</title>
		<link>https://nanovea.com/pt/propriedades-mecanico-tribologicas-da-fibra-de-carbono/?utm_source=rss&#038;utm_medium=rss&#038;utm_campaign=mechanical-tribological-properties-of-carbon-fiber</link>
					<comments>https://nanovea.com/pt/propriedades-mecanico-tribologicas-da-fibra-de-carbono/#respond</comments>
		
		<dc:creator><![CDATA[nanovea]]></dc:creator>
		<pubdate>Ter, 07 de outubro de 2014 04:48:09 +0000</pubdate>
				<category><![CDATA[Application Notes]]></category>
		<category><![CDATA[Indentation | Hardness and Elastic]]></category>
		<category><![CDATA[Laboratory Testing]]></category>
		<category><![CDATA[Linear Tribology]]></category>
		<category><![CDATA[Mechanical Testing]]></category>
		<category><![CDATA[Scratch Testing | Multi-Pass Wear]]></category>
		<category><![CDATA[Scratch Testing | Scratch Hardness]]></category>
		<category><![CDATA[Tribology Testing]]></category>
		<category><![CDATA[Tribological Properties]]></category>
		<guid ispermalink="false">http://nanovea.com/?p=875</guid>

					<description><![CDATA[<p>Combined with the wear test by Tribometer and surface analysis by Optical 3D Profilometer, we showcase the versatility and accuracy of the Nanovea instruments in testing composite materials with directional mechanical properties. Mechanical &#38; Tribological Properties of Carbon Fiber</p>
<p>The post <a href="https://nanovea.com/pt/propriedades-mecanico-tribologicas-da-fibra-de-carbono/">Mechanical &#038; Tribological Properties of Carbon Fiber</a> appeared first on <a href="https://nanovea.com/pt">NANOVEA: Advanced Profilometers, Tribometers, Nanoindenters, and Scratch Testers for Materials Testing</a>.</p>
]]></description>
										<content:encoded><![CDATA[<p>Combinado com o teste de desgaste por <a title="tribômetro" href="https://nanovea.com/tribometers" target="_blank" rel="noopener noreferrer">Tribômetro</a> e análise de superfície por Profilômetro 3D Óptico, nós<br />
mostram a versatilidade e a precisão dos instrumentos Nanovea no teste de materiais compostos<br />
com propriedades mecânicas direcionais.</p>
<p><a title="propriedades tribológicas" href="https://nanovea.com/wp-content/themes/wp-nanovea/Application%20Notes/carbon-fiber-tribology-mechanical.pdf" target="_blank" rel="noopener noreferrer">Propriedades Mecânicas e Tribológicas da Fibra de Carbono</a></p><p>The post <a href="https://nanovea.com/pt/propriedades-mecanico-tribologicas-da-fibra-de-carbono/">Mechanical &#038; Tribological Properties of Carbon Fiber</a> appeared first on <a href="https://nanovea.com/pt">NANOVEA: Advanced Profilometers, Tribometers, Nanoindenters, and Scratch Testers for Materials Testing</a>.</p>
]]></content:encoded>
					
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		<title>Medição da profundidade de micro-riscos usando a Profilometria 3D</title>
		<link>https://nanovea.com/pt/medicao-da-profundidade-de-microarranhoes-usando-profilometria-3d/?utm_source=rss&#038;utm_medium=rss&#038;utm_campaign=micro-scratch-depth-measurement-using-3d-profilometry</link>
					<comments>https://nanovea.com/pt/medicao-da-profundidade-de-microarranhoes-usando-profilometria-3d/#respond</comments>
		
		<dc:creator><![CDATA[nanovea]]></dc:creator>
		<pubdate>Seg, 06 de agosto de 2012 23:03:00 +0000</pubdate>
				<category><![CDATA[Application Notes]]></category>
		<category><![CDATA[Laboratory Testing]]></category>
		<category><![CDATA[Mechanical Testing]]></category>
		<category><![CDATA[Profilometry | Step Height and Thickness]]></category>
		<category><![CDATA[Profilometry | Volume and Area]]></category>
		<category><![CDATA[Profilometry Testing]]></category>
		<category><![CDATA[Scratch Testing | Cohesive Failure]]></category>
		<category><![CDATA[Scratch Testing | Scratch Hardness]]></category>
		<category><![CDATA[depth measurement]]></category>
		<guid ispermalink="false">http://nanovea.com/?p=1172</guid>

					<description><![CDATA[<p>Nesta aplicação, o perfilômetro Nanovea ST400 é usado para medição de profundidade de uma fileira de micro riscos criados usando o testador mecânico da Nanovea no modo scratch. Em segundos, o perfilômetro, com uma única passagem de linha no modo 2D, fornece medição de área e profundidade. Medição de profundidade de micro arranhões usando perfilometria 3D</p>
<p>The post <a href="https://nanovea.com/pt/medicao-da-profundidade-de-microarranhoes-usando-profilometria-3d/">Micro Scratch Depth Measurement Using 3D Profilometry</a> appeared first on <a href="https://nanovea.com/pt">NANOVEA: Advanced Profilometers, Tribometers, Nanoindenters, and Scratch Testers for Materials Testing</a>.</p>
]]></description>
										<content:encoded><![CDATA[<p>Nesta aplicação, o Nanovea ST400 <a title="profilômetro" href="https://nanovea.com/profilometers" target="_blank" rel="noopener noreferrer">Profilomete</a>r é utilizado para <a title="medição de profundidade" href="https://nanovea.com/surface-step-height-measurement" target="_blank" rel="noopener noreferrer">medição de profundidade</a> de uma fileira de micro riscos criados usando o Nanovea <a href="https://nanovea.com/mechanical-testers/">Testador Mecânico</a> no modo zero. Em segundos, o perfilômetro, com uma única passagem de linha no modo 2D, fornece medição de área e profundidade.</p>
<p><a href="https://nanovea.com/wp-content/themes/wp-nanovea/Application%20Notes/scratch-depth-measurement.pdf">Medição de Profundidade de Micro-rachaduras usando a Profilometria 3D</a></p><p>The post <a href="https://nanovea.com/pt/medicao-da-profundidade-de-microarranhoes-usando-profilometria-3d/">Micro Scratch Depth Measurement Using 3D Profilometry</a> appeared first on <a href="https://nanovea.com/pt">NANOVEA: Advanced Profilometers, Tribometers, Nanoindenters, and Scratch Testers for Materials Testing</a>.</p>
]]></content:encoded>
					
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