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首页> 外文期刊>Journal of Materials Engineering and Performance >Post-failure Analysis and Fractography of In-plane Tension-Tested Tufted Carbon Fabric-Reinforced Epoxy Composite Laminates
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Post-failure Analysis and Fractography of In-plane Tension-Tested Tufted Carbon Fabric-Reinforced Epoxy Composite Laminates

机译：面内张力测试的簇绒碳纤维增强环氧复合材料层压板的失效后分析和分形学

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摘要

Tufted and plain unidirectional carbon fabric-reinforced epoxy composite laminates were fabricated by vacuum-enhanced resin infusion technology and subjected to in-plane tensile tests with a view to study the changes in mechanical properties and failure responses. Owing to the presence of tufts in the laminates, both the tensile strength and modulus decrease by similar to 38 and similar to 20%, respectively, vis-A -vis the values recorded for plain composites. The fracture features point to the fact that though both the composites fail in brittle manner, they, however, exhibit differing fiber pull out lengths. Further, it was noticed that for the tufted ones, crack originates in the vicinity of tuft thread, spreads through the composite in a brittle manner, and results in a display of shorter fiber pull out lengths. These observations and other results are discussed in this paper.
机译：采用真空增强树脂灌注技术制造了簇绒和单面碳纤维增强环氧复合材料层压板，并进行了平面内拉伸试验，以研究机械性能和失效响应的变化。由于层压物中存在簇，抗拉强度和模量相对于普通复合材料记录的值分别降低了约38％和约20％。断裂特征表明，尽管两种复合材料都以脆性方式破坏，但是它们表现出不同的纤维拉出长度。此外，注意到对于簇绒的那些，裂纹起源于簇绒线的附近，以脆性方式在复合物中扩散，并且导致显示出较短的纤维拉出长度。本文讨论了这些观察结果和其他结果。

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