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Eddy Current Testing of Delamination in CFRP: A Finite Element Analysis
ZENG Zhiwei #,DU Fei,SUN Lei,JIAO Shaoni,LI Jian *
Xiamen University, School of Aerospace Engineering, Xiamen 361005
*Correspondence author
#Submitted by
Subject:
Funding: Specialized Research Fund for the Doctoral Program of Higher Education （No.No. 20120121110026）, National Science Foundation of China （No.No. 51277154）
Opened online:16 May 2016
Accepted by: none
Citation: ZENG Zhiwei,DU Fei,SUN Lei.Eddy Current Testing of Delamination in CFRP: A Finite Element Analysis[OL]. [16 May 2016] http://en.paper.edu.cn/en_releasepaper/content/4688240
 
 
Carbon fiber reinforced polymer (CFRP) is widely used thanks to its excellent performance. However, damages, especially delamination, can bring mortal threat to CFRP structures. We attempt to study the nondestructive testing of delamination using eddy current (EC) method. To this end, we design a novel probe consisting of two rectangular coils placed perpendicular to sample surface, and make use of the vertical sections to induce vertical EC in test sample. Perturbation of the vertical EC by delamination gives us a chance to detect delamination. Simulation results by the finite element method demonstrate the feasibility of the proposed method.
Keywords:carbon fiber reinforced polymer; delamination; eddy current testing
 
 
 

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