Creep and damage accumulation in orthotropic composites under cyclic loading

被引：0
|
作者：
V. Tamužs
J. Andersons
K. Aniskevich
J. Jansons
J. Korsgaard
机构：
[1] University of Latvia,Institute of Polymer Mechanics
[2] LM Glasfiber,undefined
来源：
Mechanics of Composite Materials | 1998年 / 34卷
关键词：
Fatigue; Elastic Modulus; Static Loading; Theoretical Prediction; Potential Function;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
Experimental results and theoretical prediction of the response of glassfiber-reinforced polyester under quasi-static, static (creep), and cyclic (fatigue) loading are presented. The nonlinear strain component at static loading and the strain amplitude rate at cyclic off-axis loading of an orthotropic composite are shown to follow the associated flow rule with a single-parameter quadratic potential function. The influence of fatigue damage on deformation is considerable due to the reduction in the elastic modulus of the composite and is apparently negligible with respect to its effect on the parameters of the creep kernel.
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页码：321 / 330
页数：9
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