3D finite element analysis of multiple transverse cracking in hybrid cross-ply composite laminates

被引：7
|
作者：
Kumar, NV [1 ]
Pradhan, B [1 ]
Rao, NS [1 ]
机构：
[1] Indian Inst Technol, Dept Mech Engn, Kharagpur 721302, W Bengal, India
来源：
JOURNAL OF REINFORCED PLASTICS AND COMPOSITES | 1999年 / 18卷 / 09期
关键词：
transverse cracks; hybrid cross-ply laminates; strain energy release rate; stiffness reduction; finite element analysis;
D O I：
10.1177/073168449901800901
中图分类号：
TB33 [复合材料];
学科分类号：
摘要：
This paper presents the analysis of multiple transverse cracking in hybrid composite laminates subjected to uniaxial loading. The 3D finite element method has been used for evaluating the strain energy release rates and stiffness reductions in different glass/epoxy and graphite/epoxy hybrid cross-ply composite laminates as the transverse crack extends in the width direction. The procedure is based on the computation of strain energy in the laminates with a simulated crack and its extension for incremental applied strains. Results are presented for various combinations of crack lengths and crack densities.
引用
收藏
页码：776 / 797
页数：22
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