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Introducing ductility in hybrid carbon fibre/self-reinforced composites through control of the damage mechanisms

机译:通过控制破坏机理,在混合碳纤维/自增强复合材料中引入延展性

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摘要

Carbon fibre composites possess excellent mechanical properties, but suffer from brittleness. Hybridisation with self-reinforced polypropylene (SRPP) is a promising strategy to introduce ductility into carbon fibre-reinforced polypropylene (CFRPP). The present work demonstrates how different damage mechanisms in these hybrid composites change as a function of the carbon fibre volume fraction, the directionality of CFRPP and SRPP and their relative layer thickness. Multiple fractures of the CFRPP layers or "fragmentation" is achieved by optimising these parameters. This leads to a ductile hybrid composite with a gradual failure development. (C) 2015 Elsevier Ltd. All rights reserved.
机译:碳纤维复合材料具有出色的机械性能,但具有脆性。与自增强聚丙烯(SRPP)杂交是将延展性引入碳纤维增强聚丙烯(CFRPP)的一种有前途的策略。本工作证明了这些杂化复合材料中不同的损伤机理如何随碳纤维体积分数,CFRPP和SRPP的方向性以及它们的相对层厚度而变化。通过优化这些参数,可以实现CFRPP层的多次断裂或“碎裂”。这导致具有逐渐失效发展的韧性混合复合材料。 (C)2015 Elsevier Ltd.保留所有权利。

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