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Numerical Analysis for Thermal Wave NDT of Debonding Defect of Coating on the Matrix of the Composite Materials
Abstract:
For the disadvantages of the traditional NDT methods for coating defects, Thermal Wave Nondestructive Testing (TWNDT) technology was used to detect coating debonding defect on composite Materials matrix. Numerical simulation method was used to simulate the heat transfer process of thermal wave in the coating material with defects. The factors influencing the testing sensitivity were in-depth studied, including the debonding defect size and coating thickness. Simulation results show that: TWNDT technology can quickly and efficiently identify the size of the coating debonding defects, while the thickness of the coating is an important factor influencing the inspection sensitivity for the thermal wave detection.
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1357-1362
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May 2012
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© 2012 Trans Tech Publications Ltd. All Rights Reserved
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