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An evaluation of failure criteria for matrix induced failure in composite materials

机译:复合材料中基体诱发失效的失效准则评估

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This paper reports on work being undertaken in the Cooperative Research Centre for Advanced Composite Structures Ltd. (CRC-ACS) to develop improved techniques for predicting the failure of composite materials. The procedures being investigated include a maximum strain criterion for fibre failure. For failure of the resin a new approach, which includes determination of the residual stresses due to manufacturing, is being trialed. This work closely parallels the new criteria proposed by Gosse and Hart- Smith [AIAA/CRC-ACS text on composite materials, submitted for publication] and we have subsequently replaced a simple stress Criterion for matrix failure with their proposals based on strain invariants.
机译:本文报告了高级复合结构有限公司合作研究中心(CRC-ACS)正在开展的工作,以开发改进的技术来预测复合材料的失效。正在研究的程序包括光纤失效的最大应变准则。对于树脂的失效,正在尝试一种新方法,其中包括确定由于制造引起的残余应力。这项工作与Gosse和Hart-Smith提出的新标准[AIAA / CRC-ACS关于复合材料的文本,已提交出版]十分相似,我们随后用基于应变不变性的提议取代了一个简单的关于基质破坏的应力准则。

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