Prediction of failure envelopes and stress/strain behaviour of composite laminates

被引：84

作者：

Sun, CT ^{[1
]}

Tao, JX ^{[1
]}

机构：

[1] Purdue Univ, Sch Aeronaut & Astronaut, W Lafayette, IN 47907 USA

来源：

COMPOSITES SCIENCE AND TECHNOLOGY | 1998年 / 58卷 / 07期

关键词：

laminate analysis; failure prediction; ply-by-ply discount method; stress/strain behavior; progressive matrix cracking;

D O I：

10.1016/S0266-3538(97)00013-4

中图分类号：

TB33 [复合材料];

学科分类号：

摘要：

Failure envelopes for unidirectional composites and multilayered composite laminates have been predicted by linear laminate theory. The ply-by-ply discount method with parallel spring stiffness reduction model was used in the prediction. The stress/strain behavior of four laminates under uniaxial or biaxial loading were predicted by considering both material non-linearity and progressive matrix cracking. Material non-linearity was considered by using a one-parameter plasticity model for fiber-reinforced composites. Progressive matrix cracking and the corresponding stiffness reduction were predicted by use of a simplified shear-lag analysis and finite element analysis. (C) 1998 Elsevier Science Ltd. All rights reserved.

引用

页码：1125 / 1136

页数：12

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