Cutting Procedures, Tensile Testing, and Ageing of Flexible Unidirectional Composite Laminates

Amy Engelbrecht-Wiggans; Ajay Krishnamurthy; Faraz Burni; William Osborn; Amanda L. Forster

doi:10.3791/58991

JoVE Journal
Engineering

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JoVE Journal Engineering

Cutting Procedures, Tensile Testing, and Ageing of Flexible Unidirectional Composite Laminates

柔性单向复合层压板的切割程序、拉伸测试和老化

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07:53 min

April 27, 2019

DOI: 10.3791/58991-v

Amy Engelbrecht-Wiggans^1,2, Ajay Krishnamurthy^1,2, Faraz Burni^1,3, William Osborn¹, Amanda L. Forster¹

¹Material Measurement Laboratory,National Institute of Standards and Technology, ²Theiss Research, ³Chemical and Biomolecular Engineering Department,University of Maryland

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研究的目的是开发方案,以制备一致的样品,以便对高强度芳纶或超高摩尔-质量聚乙烯基柔性单向复合层压材料进行精确的机械测试,并描述对这些材料进行人工老化的协议。

该协议可以通过定义一个可重复的程序来测试柔性单向复合织物的机械性能，帮助回答防弹衣开发领域的关键问题。直切、干净、以纤维方向为导向的切口，通过防止其他误差源，对准确测量故障应力至关重要。这种技术填补了当前测试的一个空白，允许对材料的属性进行检测，无需热压，这更代表其在软防弹衣中的使用。

将要测试的单向材料螺栓展开到工作表面。解wo部分为前体材料。目视验证原则光纤方向是否与螺栓宽度平行。

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工程问题 146 复合层压板带拉伸测试防弹衣芳纶超高摩尔质量聚乙烯超高分子量聚乙烯