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	<title>压痕应力与应变应用说明 - NANOVEA：用于材料测试的先进轮廓仪、摩擦磨损测试仪、纳米压痕机和划痕测试仪</title>
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	<description>用于材料研究和质量控制的计量仪器</description>
	<lastbuilddate>2023 年 11 月 13 日星期一 23:43:33 +0000</lastbuilddate>
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	<title>压痕应力与应变应用说明 - NANOVEA：用于材料测试的先进轮廓仪、摩擦磨损测试仪、纳米压痕机和划痕测试仪</title>
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		<title>纳米压痕的动态机械分析</title>
		<link>https://nanovea.com/zh/%e5%8a%a8%e6%80%81-%e6%9c%ba%e6%a2%b0-%e5%88%86%e6%9e%90-%e7%ba%b3%e7%b1%b3%e5%8e%8b%e7%97%95/?utm_source=rss&#038;utm_medium=rss&#038;utm_campaign=dynamic-mechanical-analysis-nanoindentation</link>
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		<dc:creator><![CDATA[nanovea]]></dc:creator>
		<pubdate>Mon, 30 Jul 2018 19:21:13 +0000</pubdate>
				<category><![CDATA[Application Notes]]></category>
		<category><![CDATA[Indentation | Loss and Storage]]></category>
		<category><![CDATA[Indentation | Stress vs Strain]]></category>
		<category><![CDATA[Laboratory Testing]]></category>
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		<category><![CDATA[Dynamic Mechanical Analysis]]></category>
		<guid ispermalink="false">https://nanovea.com/?p=3412</guid>

					<description><![CDATA[<p>The quality of corks depends heavily on its mechanical and physical property. Its ability to seal wine can be identified as these important factors: flexibility, insulation, resilience, and impermeability to gas and liquids. By conducting dynamic mechanical analysis (DMA) testing, its flexibility and resilience properties can be gauged with a quantifiable method. These properties are [&#8230;]</p>
<p>The post <a href="https://nanovea.com/zh/%e5%8a%a8%e6%80%81-%e6%9c%ba%e6%a2%b0-%e5%88%86%e6%9e%90-%e7%ba%b3%e7%b1%b3%e5%8e%8b%e7%97%95/">Dynamic Mechanical Analysis With Nanoindentation</a> appeared first on <a href="https://nanovea.com/zh">NANOVEA: Advanced Profilometers, Tribometers, Nanoindenters, and Scratch Testers for Materials Testing</a>.</p>
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										<content:encoded><![CDATA[<p>瓶塞的质量在很大程度上取决于其机械和物理性能。其密封葡萄酒的能力可以被确定为这些重要因素：灵活性、绝缘性、回弹力以及对气体和液体的不渗透性。通过进行动态机械分析（DMA）测试，可以用一种可量化的方法来衡量其弹性和回弹特性。这些特性可通过Nanovea机械测试仪的 <a href="https://nanovea.com/nano-indentation-tester/">纳米级的 "Nanoindentaion"。</a> 以杨氏模量、存储模量、损失模量和tan delta（tan（δ））的形式。从DMA测试中可以收集到的其他数据是材料的相移、硬度、应力和应变。</p>
<p><a href="http://nanovea.com/App-Notes/dynamic-mechanical-analysis-nanoindentation.pdf">纳米压痕的动态机械分析</a></p><p>The post <a href="https://nanovea.com/zh/%e5%8a%a8%e6%80%81-%e6%9c%ba%e6%a2%b0-%e5%88%86%e6%9e%90-%e7%ba%b3%e7%b1%b3%e5%8e%8b%e7%97%95/">Dynamic Mechanical Analysis With Nanoindentation</a> appeared first on <a href="https://nanovea.com/zh">NANOVEA: Advanced Profilometers, Tribometers, Nanoindenters, and Scratch Testers for Materials Testing</a>.</p>
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		<title>循环纳米压痕应力-应变测量</title>
		<link>https://nanovea.com/zh/%e5%be%aa%e7%8e%af-%e7%ba%b3%e7%b1%b3%e5%8e%8b%e7%97%95-%e5%ba%94%e5%8a%9b-%e5%ba%94%e5%8f%98-%e6%b5%8b%e9%87%8f/?utm_source=rss&#038;utm_medium=rss&#038;utm_campaign=cyclical-nanoindentation-stress-strain-measurement</link>
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		<dc:creator><![CDATA[nanovea]]></dc:creator>
		<pubdate>2017 年 2 月 11 日星期六 14:40:05 +0000</pubdate>
				<category><![CDATA[Application Notes]]></category>
		<category><![CDATA[Indentation | Stress vs Strain]]></category>
		<category><![CDATA[Indentation | Yield Strength and Fatigue]]></category>
		<category><![CDATA[Laboratory Testing]]></category>
		<category><![CDATA[Mechanical Testing]]></category>
		<category><![CDATA[Uncategorized]]></category>
		<guid ispermalink="false">https://nanovea.com/?p=7821</guid>

					<description><![CDATA[<p>循环纳米压痕应力-应变测量 了解更多</p>
<p>The post <a href="https://nanovea.com/zh/%e5%be%aa%e7%8e%af-%e7%ba%b3%e7%b1%b3%e5%8e%8b%e7%97%95-%e5%ba%94%e5%8a%9b-%e5%ba%94%e5%8f%98-%e6%b5%8b%e9%87%8f/">Cyclical Nanoindentation Stress-Strain Measurement</a> appeared first on <a href="https://nanovea.com/zh">NANOVEA: Advanced Profilometers, Tribometers, Nanoindenters, and Scratch Testers for Materials Testing</a>.</p>
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									<p>循环纳米压痕应力-应变测量</p><p>了解更多</p>								</div>
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									<p style="text-align: left; color: #1b96cf; font-size: 24px;">纳米压痕的重要性<strong><u><i><br /></i></u></strong></p><p style="margin: 0in; margin-bottom: .0001pt;"><span style="font-family: 'Arial',sans-serif;">通过以下方式获得的连续刚度测量（CSM） <a href="https://nanovea.com/nano-indentation-tester/">纳米压痕</a> 用微创的方法揭示材料的应力-应变关系。与传统的拉伸测试方法不同，纳米压痕提供纳米级的应力-应变数据，而不需要大型仪器。应力-应变曲线提供了关于样品在承受越来越大的载荷时弹性和塑性行为之间的阈值的关键信息。CSM提供了在没有危险设备的情况下确定材料的屈服应力的能力。</span></p><p style="margin: 0in; margin-bottom: .0001pt;"><span style="font-family: 'Arial',sans-serif;"> </span></p><p>纳米压痕提供了一种可靠的和用户友好的方法来快速调查应力-应变数据。此外，在纳米尺度上测量应力-应变行为使研究材料中的小涂层和颗粒的重要特性成为可能，因为它们变得更加先进。除了硬度、弹性模量、蠕变、断裂韧性等，纳米压痕还能提供弹性极限和屈服强度的信息，使其成为一种多功能的计量仪器。</p><p>在这项研究中，纳米压痕提供的应力-应变数据确定了材料的弹性极限，同时只进入了1.2微米的表面。我们使用CSM来确定材料的机械性能是如何随着压头进入表面的深度而发展的。这在薄膜应用中特别有用，因为其特性可能取决于深度。纳米压痕是一种确认测试样品中材料特性的微创方法。</p><p>CSM试验在测量材料特性与深度的关系方面很有用。循环试验可以在恒定载荷下进行，以确定更复杂的材料特性。这对于研究疲劳或消除孔隙率的影响以获得真正的弹性模量是很有用的。</p><p style="text-align: left; color: #1b96cf; font-size: 24px;">测量目标</p><p style="margin: 0in; margin-bottom: .0001pt;"><span style="font-family: 'Arial',sans-serif;">在这个应用中，Nanovea机械测试仪使用CSM来研究硬度和弹性模量与深度的关系以及标准钢样品的应力-应变数据。钢被选择为其普遍认可的特性，以显示纳米级应力-应变数据的控制和准确性。一个半径为5微米的球形尖端被用来达到足够高的应力，超过钢的弹性极限。</span></p><p style="margin: 0in; margin-bottom: .0001pt;"><span style="font-family: 'Arial',sans-serif;"> </span></p><div style="text-align: center;"><a href="https://nanovea.com/wp-content/uploads/2020/02/2-Measurement-picture.png"><img fetchpriority="high" decoding="async" class="alignnone size-full wp-image-7913" src="https://nanovea.com/wp-content/uploads/2020/02/2-Measurement-picture.png" alt="" width="896" height="725" /></a></div><p style="text-align: left; color: #1b96cf; font-size: 24px;">测试条件和程序<strong><u><i><br /></i></u></strong></p><p style="margin: 0in; margin-bottom: .0001pt;"><span style="font-family: 'Arial',sans-serif; color: #1c1e29;">使用了以下压痕参数。</span></p><div style="text-align: center;"><a href="https://nanovea.com/wp-content/uploads/2017/02/Figure-1.png"><img decoding="async" class="size-full wp-image-7830 aligncenter" src="https://nanovea.com/wp-content/uploads/2017/02/Figure-1.png" alt="" width="565" height="607" /></a></div><p><em><strong style="color: black;">结果。 </strong></em></p><div> </div><p style="margin: 0in; margin-bottom: .0001pt;"><span style="font-family: 'Arial',sans-serif; color: #1c1e29;">振荡过程中负载的增加提供了以下深度与负载的曲线。在加载过程中进行了100多次振荡，以找到压头穿透材料时的应力-应变数据。</span></p><p style="margin: 0in; margin-bottom: .0001pt;"><span style="font-family: 'Arial',sans-serif; color: #1c1e29;"> </span></p><p style="margin: 0in; margin-bottom: .0001pt;"><a href="https://nanovea.com/wp-content/uploads/2017/02/figure-2.png"><img decoding="async" class="alignnone size-full wp-image-7836" src="https://nanovea.com/wp-content/uploads/2017/02/figure-2.png" alt="" width="1040" height="596" /></a></p><p>我们从每个周期获得的信息中确定应力和应变。每个周期的最大载荷和深度使我们能够计算出每个周期施加在材料上的最大应力。应变是由每个周期的部分卸载后的残留深度计算出来的。这使我们可以通过除以尖端的半径来计算残留印记的半径，从而得到应变系数。绘制材料的应力与应变的关系图显示了弹性区和塑性区以及相应的弹性极限应力。我们的测试确定材料的弹性区和塑性区之间的过渡是在0.076左右的应变，弹性极限为1.45GPa。</p><p><a href="https://nanovea.com/wp-content/uploads/2017/02/Figure-3-3.png"><img loading="lazy" decoding="async" class="alignnone size-full wp-image-8312" src="https://nanovea.com/wp-content/uploads/2017/02/Figure-3-3.png" alt="" width="1442" height="849" /></a></p><p>每个周期作为一个单一的压痕，所以当我们增加负载时，我们在钢中的不同控制深度进行测试。因此，硬度和弹性模量与深度的关系可以直接从每个周期获得的数据中绘制出来。</p><p><a href="https://nanovea.com/wp-content/uploads/2017/02/Figure-4-2.png"><img loading="lazy" decoding="async" class="alignnone size-full wp-image-8311" src="https://nanovea.com/wp-content/uploads/2017/02/Figure-4-2.png" alt="" width="1119" height="566" /></a></p><p>随着压头进入材料，我们看到硬度增加，弹性模量减少。</p><p style="text-align: left; color: #1b96cf; font-size: 24px;">总结</p><p><a href="https://nanovea.com/wp-content/uploads/2017/02/TiNCoatedPunches_NanoShieldPVD_Thailand.jpg"><img loading="lazy" decoding="async" class="alignnone size-full wp-image-7848" src="https://nanovea.com/wp-content/uploads/2017/02/TiNCoatedPunches_NanoShieldPVD_Thailand.jpg" alt="" width="1624" height="801" /></a></p><p>我们已经证明Nanovea机械测试仪提供可靠的应力-应变数据。使用带有CSM压痕的球形尖端，可以在增加的应力下进行材料性能测量。负载和压头半径可以改变，以便在受控深度测试各种材料。Nanovea机械测试仪提供这些压痕测试，从亚mN范围到400N。</p><p> </p>								</div>
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				</div><p>The post <a href="https://nanovea.com/zh/%e5%be%aa%e7%8e%af-%e7%ba%b3%e7%b1%b3%e5%8e%8b%e7%97%95-%e5%ba%94%e5%8a%9b-%e5%ba%94%e5%8f%98-%e6%b5%8b%e9%87%8f/">Cyclical Nanoindentation Stress-Strain Measurement</a> appeared first on <a href="https://nanovea.com/zh">NANOVEA: Advanced Profilometers, Tribometers, Nanoindenters, and Scratch Testers for Materials Testing</a>.</p>
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		<title>使用微压痕的3点弯曲测试</title>
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		<dc:creator><![CDATA[nanovea]]></dc:creator>
		<pubdate>Thu, 07 Mar 2013 19:34:04 +0000</pubdate>
				<category><![CDATA[Application Notes]]></category>
		<category><![CDATA[Indentation | Fracture Toughness]]></category>
		<category><![CDATA[Indentation | Hardness and Elastic]]></category>
		<category><![CDATA[Indentation | Stress vs Strain]]></category>
		<category><![CDATA[Indentation | Yield Strength and Fatigue]]></category>
		<category><![CDATA[Laboratory Testing]]></category>
		<category><![CDATA[Mechanical Testing]]></category>
		<category><![CDATA[3 point bend test]]></category>
		<guid ispermalink="false">http://nanovea.com/?p=1103</guid>

					<description><![CDATA[<p>In this application, the Nanovea Mechanical Tester, in Microindentation mode, is used to measure the flexural strength (using 3 Point Bend) of various sized rod samples (pasta) to show a range of data. 2 different diameters were chosen to demonstrate both elastic and brittle characteristics. Using a flat tip indenter to apply a point load, [&#8230;]</p>
<p>The post <a href="https://nanovea.com/zh/%e4%bd%bf%e7%94%a8%e5%be%ae%e5%8e%8b%e7%97%95%e7%9a%843%e7%82%b9%e5%bc%af%e6%9b%b2%e6%b5%8b%e8%af%95/">3 Point Bend Test Using Microindentation</a> appeared first on <a href="https://nanovea.com/zh">NANOVEA: Advanced Profilometers, Tribometers, Nanoindenters, and Scratch Testers for Materials Testing</a>.</p>
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										<content:encoded><![CDATA[<p>在这个应用中，Nanovea <a href="https://nanovea.com/mechanical-testers/">机械测试仪</a>， 在 <a title="微压痕" href="https://nanovea.com/micro-indentation-tester" target="_blank" rel="noopener noreferrer">显微压痕</a> 模式，用于测量各种尺寸的棒状样品（面条）的抗弯强度（使用3点弯曲），以显示一系列的数据。选择了2种不同的直径来展示弹性和脆性特征。使用平头压头施加点载荷，我们确定了刚度（杨氏模量），并确定了样品会断裂的临界载荷。</p>
<p><a href="https://nanovea.com/wp-content/themes/wp-nanovea/Application%20Notes/microindentation-3-point-bend.pdf">使用微压痕的3点弯曲测试</a></p><p>The post <a href="https://nanovea.com/zh/%e4%bd%bf%e7%94%a8%e5%be%ae%e5%8e%8b%e7%97%95%e7%9a%843%e7%82%b9%e5%bc%af%e6%9b%b2%e6%b5%8b%e8%af%95/">3 Point Bend Test Using Microindentation</a> appeared first on <a href="https://nanovea.com/zh">NANOVEA: Advanced Profilometers, Tribometers, Nanoindenters, and Scratch Testers for Materials Testing</a>.</p>
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