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中文摘要：
只有充分研究民机典型复合材料损伤机理，才能在复合材料的应用中最大限度地减少和避免其损伤，并且为复合材料的损伤修理奠定基础。通过对民机典型复合材料损伤的研究，分别从材料、设计、结构、制造与使用等方面入手，通过细观破坏机制阐述了层合复合材料的损伤。对部件的检测进行理论分析，找到易损伤位置，采用微观破坏机制运用敲击检测法对胶接复合材料就行了损伤检测，验证了二者的结合可提高检测效率及准确率。
英文摘要：
In order to decrease and avoid the damage of composite material, it＇s necessary to research the damage mechanism very well, and it＇s also useful for repairing, this article research the damage mechanism from 5 different sides, start with materia, design and structure,with the method of meso damage mechanics. When testing composite material, the theoretical analysis should be done first to find the place where the damage is easy to happen, then using the acoustic impact testing method to verify the result of theoretical analysis. By combinating the method, the efficiency and precision of the acoustic impact testing method are all increased.
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