On modelling the mechanical degradation of fatigue loaded glass-fibre non-crimp fabric reinforced epoxy laminates

被引：30
|
作者：
Gagel, A [1 ]
Fiedler, B [1 ]
Schulte, K [1 ]
机构：
[1] Tech Univ Hamburg, Polymers & Composites Sect, D-21073 Hamburg, Germany
来源：
COMPOSITES SCIENCE AND TECHNOLOGY | 2006年 / 66卷 / 05期
关键词：
polymer matrix composites (PMCs); textile composites; fatigue; modelling; computational simulation; finite element analysis (FEA); life prediction; non-destructive testing;
D O I：
10.1016/j.compscitech.2005.07.037
中图分类号：
TB33 [复合材料];
学科分类号：
摘要：
By using a '' non-scalar approach '' a complete damage analysis is performed to describe the mechanical degradation and failure of tension-compression fatigue loaded glass-fibre non-crimp fabric reinforced epoxy laminates. The used algorithm is based on experimentally obtained parameters to describe damage evolution and lifetime. To calculate the effective properties finite element analysis (FEA) is used. With a limited number of mainly non-destructively obtained parameters a simulation of the degradation of the mechanical properties during fatigue life was performed. A good agreement between prediction and measurement was found. The differences between the predicted and the measured stiffness are conservative for low and medium fatigue loads. (c) 2005 Elsevier Ltd. All rights reserved.
引用
收藏
页码：657 / 664
页数：8
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