碳纤维复合材料的压缩响应的微观分析

来源 :材料开发与应用 | 被引量 : 0次 | 上传用户:dong770527
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设计了实验平台,对纤维压缩应变与电阻间灵敏系数进行了标定,将标定后的纤维制作成单丝和多丝复合材料体系压缩试验件。在压缩载荷条件下,通过电阻测量,揭示了多丝复合材料体系纤维断裂对周围纤维的影响规律,并准确测量出纤维发生压缩破坏时的最大变形量;利用数值方法模拟了断口处基体应力分布导致附近纤维微屈曲的损伤过程。
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