含预成型孔复合材料层合板的强度分析

1.重庆大学,工程力学系,重庆,400044

2.重庆大学,工程力学系,重庆,400044

3.重庆大学,工程力学系,重庆,400044

STRENGTH ANALYSIS OF COMPOSITE LAMINATES CONTAINING PREFORMED HOLE

对生物结构的观测表明在孔口附近的纤维是连续绕过的,已有实验证明这种绕孔结构的强度比钻孔结构有显著提高.利用迭代设计方法得到单层板绕孔方案,在此基础上构成复合材料层合板,并对含预成型孔层合板在面内复杂载荷作用下的强度进行了分析,结果证实了该仿生结构具有较高的承载能力.

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