A stiffness degradation model for composite laminates under fatigue loading

被引：122
|
作者：
Whitworth, HA [1 ]
机构：
[1] Howard Univ, Dept Engn Mech, Washington, DC 20059 USA
来源：
COMPOSITE STRUCTURES | 1997年 / 40卷 / 02期
关键词：
D O I：
10.1016/S0263-8223(97)00142-6
中图分类号：
O3 [力学];
学科分类号：
08 ; 0801 ;
摘要：
An investigation has been conducted for the purpose of evaluating the stiffness degradation of composite laminates during fatigue loading. Based on this investigation, a model is proposed that is capable of predicting the stiffness degradation in composite laminates. This model is based on an assumed relationship between the failure stiffness and the applied stress. An experimental program comprised of a number of static and fatigue tests using coupon specimens of graphite/epoxy [+/-35](2S) laminates was carried out for the purpose of evaluating the model. (C) 1998 Elsevier Science Ltd. All rights reserved.
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收藏
页码：95 / 101
页数：7
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