Assessment of transverse impact damage in GF/EP laminates of conductive nanoparticles using electrical resistivity tomography

被引：62
作者：
Zhang, Donghai [1 ,2 ]
Ye, Lin [1 ]
Wang, Dong [1 ,3 ]
Tang, Youhong [1 ]
Mustapha, Samir [1 ]
Chen, Yunfa [2 ]
机构：
[1] Univ Sydney, Sch Aerosp Mech & Mechatron Engn, Ctr Adv Mat Technol, Sydney, NSW 2006, Australia
[2] Chinese Acad Sci, Inst Proc Engn, State Key Lab Multiphase Complex Syst, Beijing 100190, Peoples R China
[3] Beijing Aeronaut Sci & Technol Res Inst, Beijing 100083, Peoples R China
来源：
COMPOSITES PART A-APPLIED SCIENCE AND MANUFACTURING | 2012年 / 43卷 / 09期
基金：
澳大利亚研究理事会;
关键词：
Glass fibres; Laminates; Delamination; Electrical properties; INTERLAMINAR FRACTURE-TOUGHNESS; FIBER-REINFORCED COMPOSITES; POLYMER-MATRIX COMPOSITE; RESISTANCE CHANGE METHOD; EPOXY-RESIN; CARBON-BLACK; SILICA; IDENTIFICATION; PERCOLATION; PARTICLES;
D O I：
10.1016/j.compositesa.2012.04.012
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
GF/EP composite laminates with an epoxy matrix modified by carbon black (CB) of 2.0 wt.% and copper chloride (CC) were manufactured by the vacuum assisted resin infusion (VARI) technique. The effects of CB nanoparticles and CC on improvement in Modes I and II interlaminar fracture toughness and impact damage resistance and on the electrical conductivity of GF/EP laminate composites were investigated. Delamination growth was calibrated by in situ electrical resistance changes during interlaminar fracture tests. The relationship between growth of delamination and change in electrical resistance was characterised. A damage index based on the change in electrical resistance was introduced, and a new method of electrical resistivity tomography was developed to access transverse impact damage in GF/EP laminates based on a matrix of conductive points in both in-plane and through-thickness directions. The damage images from in-plane and through-thickness electrical resistivity tomography were finally estimated with the corresponding C-scan. (c) 2012 Elsevier Ltd. All rights reserved.
引用
收藏
页码：1587 / 1598
页数：12
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