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碳纤维复合材料界面性能研究

, PP. 89-93

Keywords: 界面,碳纤维/环氧,喇曼光谱

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Abstract:

复合材料的界面问题具有其自身的特殊性、复杂性和重要性,它不仅与材料的工艺有关,而且也显著影响着复合材料的损伤和破坏过程。本文采用激光喇曼光谱技术测量了碳纤维复合材料内纤维单丝的微变形,研究了应力传递机理及剪应力的分布。实验结果显示拉伸应变小于0.8%时,纤维内的应变与端部的拉伸应变成线性关系。

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