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复合材料层板开孔拉伸损伤分析

, PP. 169-175

Keywords: 复合材料,开孔拉伸,损伤分析,逐渐损伤,失效模式

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Abstract:

针对纤维增强复合材料层板开孔拉伸,将复合材料层板的失效分为层内失效和层间失效,建立了复合材料层板开孔拉伸损伤分析模型。该模型基于逐渐损伤分析,对不同复合材料开孔层板进行了失效预测,并与文献试验结果进行了对比,破坏强度和失效模式均与文献试验结果非常吻合。结果表明本文中所建立的层板开孔拉伸损伤分析模型能够模拟含孔层合板拉伸过程中的损伤起始、损伤扩展和最终破坏模式,并最终预测含孔层合板拉伸失效模式和破坏强度。

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