对复合材料宏观强度准则进行了总结和评述,对最具有代表性的5种强度准则的预测能力进行了综合评估.首先,由各强度准则得到了不同平面应力状态下AS4/3501-6材料的理论失效包线,以此阐明了各强度准则的物理本质.然后,考虑到强度的分散性,采用Monte-Carlo方法并基于各强度准则建立了4种材料的概率失效包线和强度分散带.最后,结合多组试验数据,客观评估了各强度准则的预测能力.评估结果表明:各强度准则的预测结果都不可能完好地吻合所有的试验结果;相比于Max-Stress准则、Hashin准则和Tsai-Wu准则,Puck准则和LaRC03准则的预测能力相对较好,且对复合材料的损伤机理有更为合理的解释.
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