Damage localization and identification in WGF/epoxy composite laminates by using Lamb waves: Experiment and simulation

被引：70
|
作者：
Yang, Bin [1 ]
Xuan, Fu-Zhen [1 ]
Chen, Shaojie [1 ]
Zhou, Shaoping [1 ]
Gao, Yang [1 ]
Xiao, Biao [1 ]
机构：
[1] East China Univ Sci & Technol, Sch Mech & Power Engn, 130 Meilong Rd, Shanghai 200237, Peoples R China
来源：
COMPOSITE STRUCTURES | 2017年 / 165卷
基金：
中国国家自然科学基金; 中国博士后科学基金;
关键词：
Polymer-matrix composites (PMCs); Finite element analysis (FEA); Non-destructive testing (NDT); Lamb wave; ULTRASONIC GUIDED-WAVES; LOW-VELOCITY IMPACT; PROPAGATION; PLATES; PREDICTION; NETWORKS; BEHAVIOR;
D O I：
10.1016/j.compstruct.2017.01.015
中图分类号：
O3 [力学];
学科分类号：
08 ; 0801 ;
摘要：
Lamb wave propagating behavior in woven glass fiber reinforced epoxy (WGF/epoxy) composite laminates was studied by simulation and experiment. A 3D finite eleinent (FE) model was built in Abaqus/Explicit software with the help of user material subroutine to capture the wave propagating features in WGF/epoxy composite plate. The Lamb wave tests were carried out by a non-circular array with 8 piezoelectric (PZT) wafers. A defect imaging algorithm was developed using MATLAB based on the ellipse theory in time-dependent domains. Two defect imaging cases were carried out in the WGF/epoxy composite plate to verify the feasibility of the proposed algorithm. A good agreement between the simulated waveforms and experimental data was achieved. This indicates a great potential of the proposed algorithm in the field of damage localization and identification for WGF/epoxy thin-walled laminates. (C) 2017 Elsevier Ltd. All rights reserved.
引用
收藏
页码：138 / 147
页数：10
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