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三维四向编织复合材料的黏弹性能

, PP. 167-171

Keywords: 三维编织复合材料,微观周期结构,均匀化,黏弹性能

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Abstract:

基于均匀化理论建立了预测具有微观周期性结构复合材料黏弹性能的力学模型。利用此模型并结合有限元法分别研究了纤维束和三维编织复合材料的黏弹性能。通过对计算结果的分析,给出了三维编织复合材料黏弹性能随工艺参数变化的规律。结果表明,三维编织复合材料编织方向的黏弹性效应随编织角的增大而增强,随纤维体积比的增大而减弱,此规律与实验结论一致。

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