Effect of impact damage on the curved beam interlaminar strength of carbon/epoxy laminates

被引：26

作者：

Hao, Wenfeng ^{[1
]}

Yuan, Yanan ^{[2
]}

Zhu, Jianguo ^{[1
]}

Chen, Lei ^{[1
]}

机构：

[1] Jiangsu Univ, Fac Civil Engn & Mech, Zhenjiang, Jiangsu, Peoples R China

[2] Tsinghua Univ, Dept Engn Mech, Appl Mech Lab, Beijing 100084, Peoples R China

来源：

JOURNAL OF ADHESION SCIENCE AND TECHNOLOGY | 2016年 / 30卷 / 11期

基金：

中国国家自然科学基金;

关键词：

low velocity impact; digital speckle correlation method; Composite laminates; four-point bending; interlaminar strength; LOW FIBER-VOLUME; FLEXURAL PROPERTIES; COMPOSITE PLATES; DEFORMATION; PREDICTION; RESISTANCE;

D O I：

10.1080/01694243.2016.1144261

中图分类号：

TQ [化学工业];

学科分类号：

0817 ;

摘要：

The bending interlaminar strength and bending interlaminar strength after impact of carbon/epoxy-laminated curved beams were studied experimentally using four-point bending test and low velocity impact. First, the post- impact damage of the laminated curved beams with different radii was analyzed based on ultrasonic C-scan images. Then, the effect of impact damage on both the interlaminar strength and the maximum interlaminar radial stresses of the laminated curved beams were investigated. Finally, the full-field displacement distributions of the laminated curved beams were obtained using digital speckle correlation method. Four-point bending experimental results play a significant role for interlaminar strength in evaluating the laminated curved beams with and without impact damage.

引用

页码：1189 / 1200

页数：12

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