Tensile fatigue behavior of tapered glass fiber reinforced epoxy composites containing nanoclay

被引：31
|
作者：
Helmy, S. [1 ]
Hoa, S. V. [1 ]
机构：
[1] Concordia Univ, Ctr Res Polymers & Composites CREPEC, Dept Mech & Ind Engn, Montreal, PQ H3G 1M8, Canada
来源：
COMPOSITES SCIENCE AND TECHNOLOGY | 2014年 / 102卷
关键词：
Glass fibers; Nanoclays; Polymer matrix composites (PMCs); Fatigue; Matrix cracking; INTERLAMINAR STRESSES; MECHANICAL-PROPERTIES; LIFE METHODOLOGY; NANOCOMPOSITES; DELAMINATION; FRACTURE; PERFORMANCE; STRENGTH; MATRIX; CFRP;
D O I：
10.1016/j.compscitech.2014.05.038
中图分类号：
TB33 [复合材料];
学科分类号：
摘要：
Tensile fatigue behavior of tapered glass/epoxy laminates is investigated. The effect of nanoclay addition into the epoxy resin is examined. It is shown that the relative orientation between the adjacent belt layer and the cut layer has important influence on the fatigue life. The fatigue crack starts at the resin pocket and propagates along the interface between the belt layer and the core layer in the thicker section of the laminate. Crack propagation is mainly due to mode II crack failure. The addition of the clays enhances the resistance against this mode II crack propagation, and thus prolongs the fatigue life of the laminate. (C) 2014 Elsevier Ltd. All rights reserved.
引用
收藏
页码：10 / 19
页数：10
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