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Asymmetrical Dual Charge EPCM for Delamination Monitoring of CFRP Laminate

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Abstract:

CFRP laminate is sensitive to impacts. Even a low impact creates delamination, bringing deterioration of the structural reliability. Monitoring for delamination is, therefore, indispensable to maintain the reliability of a CFRP structure. In this study, asymmetrical dual charge electric potential change method was introduced to estimate a delamination in the CFRP laminate. Delaminations were estimated using response surfaces as solver of the inverse problem. Learning data of response surfaces were calculated by FEM analyses. Actual delaminations in the CFRP laminate were successfully identified.

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Periodical:

Key Engineering Materials (Volumes 321-323)

Pages:

1309-1315

DOI:

https://doi.org/10.4028/www.scientific.net/KEM.321-323.1309

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Online since:

October 2006

Authors:

Masahito Ueda, Akira Todoroki

Keywords:

Carbon Fiber Reinforced Polymer/Plastic (CFRP), Delamination, Electric Potential, Structural Reliability

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© 2006 Trans Tech Publications Ltd. All Rights Reserved

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