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复合材料层合板的HOFFMAN塑性区尺寸因子
引用本文:肖芳谆,姚林安.复合材料层合板的HOFFMAN塑性区尺寸因子[J].应用力学学报,1989,6(2):106-110.
作者姓名:肖芳谆  姚林安
作者单位:西南石油学院 (肖芳淳),西南石油学院(姚林安)
摘    要:本文在Hoffman强度准则的基础上,采用复合材料层合板第K层中心穿透裂纹尖端附近的应力分量,得到一个计算复合材料层合板Hoffman塑性区尺寸因子的公式.

关 键 词:复合材料  层合板  塑性区  尺寸因子

HOFFMAN PLASTIC ZONE SIZE FACTOR OF COMPOSITE LAMINATE
Xiao Fangchun Yao Anlin.HOFFMAN PLASTIC ZONE SIZE FACTOR OF COMPOSITE LAMINATE[J].Chinese Journal of Applied Mechanics,1989,6(2):106-110.
Authors:Xiao Fangchun Yao Anlin
Institution:Southwestern Potroleum Institute
Abstract:On the basis of the Hoffman strength criterion, the stress components in the vioinity of a central through crack tip of the k-th layer of composite laminate are calculated. A formula for the Hoffman plastic zone size factor of composite laminate is obtained. In this paper, the conclusion is correct. the concept is clear and the method is convenient. This makes the application of fracture mechanics criterion in composite laminate possible.
Keywords:Hoffman strength criterion  plastic zone size factor  composite laminate
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