A phenomenological fatigue life prediction model of glass fiber reinforced polymer composites

被引：22
|
作者：
Zhang, Wenjiao [1 ,2 ]
Zhou, Zhengong [1 ]
Zhang, Boming [3 ]
Zhao, Shuyuan [1 ]
机构：
[1] Harbin Inst Technol, Ctr Composite Mat & Struct, Harbin 150080, Peoples R China
[2] Northeast Agr Univ, Engn Coll, Harbin 150030, Peoples R China
[3] Beihang Univ, Sch Mat Sci & Engn, Beijing 100191, Peoples R China
来源：
MATERIALS & DESIGN | 2015年 / 66卷
基金：
中国国家自然科学基金;
关键词：
LAMINATED COMPOSITES; STRESS RATIO; BEHAVIOR;
D O I：
10.1016/j.matdes.2014.10.036
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
In this paper, a macro phenomenological fatigue model is developed for the off-axis fatigue behavior of glass fiber reinforced polymer (GFRP) composite laminates. The residual stiffness method and strain failure criterion are used to characterize the brittle nature of fatigue damage evolution. This allows one to obtain a practical form of multiaxial fatigue model that takes into account of the non-linear effects of fiber orientation dependence, stress ratio dependence as well as the effect of loading frequency on the fatigue behavior of composite laminates. Parameters of the model are fitted out according to relative fatigue experiment data with specific lay-up under certain stress ratio and loading frequency. Fatigue life predictions are verified by different stress ratios and loading frequencies, and the results of the model show a good agreement with experimental data. (C) 2014 Elsevier Ltd. All rights reserved.
引用
收藏
页码：77 / 81
页数：5
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