Dynamic properties of 3-D orthogonal woven composite T-beam under transverse impact

被引：50
|
作者：
Hao, Ayou [1 ]
Sun, Baozhong [1 ]
Qiu, Yiping [1 ]
Gu, Bohong [1 ,2 ]
机构：
[1] Donghua Univ, Coll Text, Shanghai 201620, Peoples R China
[2] Zhongyuan Inst Technol, Dept Text Engn, Zhengzhou 450007, Henan Province, Peoples R China
来源：
COMPOSITES PART A-APPLIED SCIENCE AND MANUFACTURING | 2008年 / 39卷 / 07期
基金：
中国国家自然科学基金;
关键词：
three-dimensional reinforcement; impact behavior; finite element analysis (FEA); T-beam;
D O I：
10.1016/j.compositesa.2008.04.012
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
The quasi-static indentation and transverse impact behavior of 3-D orthogonal woven composite T-beam were investigated with a universal material tester (MTS 810.23) and a modified split Hopkinson pressure bar (SHPB), respectively. The load-displacement and energy-displacement curves were obtained to analyze the damage of the composite T-beam under three kinds of impact velocities. Finite element analysis which based on unit-cell model of the 3-D orthogonal woven composite and user-defined material subroutine was conducted to calculate the dynamic responses. The good agreement between experimental and FEM results reveals the composite damage mechanisms and energy absorption features of the T-beam with different flange height. (C) 2008 Elsevier Ltd. All rights reserved.
引用
收藏
页码：1073 / 1082
页数：10
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