An experimental study of failure initiation and propagation in 2D woven composites under compression

被引：76

作者：

De Carvalho, N. V. ^{[1
]}

Pinho, S. T. ^{[1
]}

Robinson, P. ^{[1
]}

机构：

[1] Univ London Imperial Coll Sci Technol & Med, Dept Aeronaut, London SW7 2AZ, England

来源：

COMPOSITES SCIENCE AND TECHNOLOGY | 2011年 / 71卷 / 10期

关键词：

Textile composites; Fracture; Damage mechanics; Fractography; Scanning Electron Microscopy (SEM); BEHAVIOR; TENSILE; MODES;

D O I：

10.1016/j.compscitech.2011.04.019

中图分类号：

TB33 [复合材料];

学科分类号：

摘要：

Experimental research was conducted to investigate the compressive failure of orthogonal 2D woven composites. Damage initiation and the effect of weave architecture were studied using a Four Point Bending (FPB) test setup. Scanning Electron Microscope (SEM) and Digital Imaging (DI) observations show the individual failure of the load-aligned tows, which behave as structural elements at the internal reinforcement level. Weave architecture and internal geometry are seen to affect location and morphology of the damage initiation. Damage propagation and the effect of stacking were studied using a reduced Compact Compression (rCC) test setup. Optical micrographs show that stacking configuration can have a significant effect on the damage morphology. Additionally, results also suggest the effect of stacking is a function of the weave architecture and internal geometry. (C) 2011 Elsevier Ltd. All rights reserved.

引用

页码：1316 / 1325

页数：10

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