Numerical simulation of non-destructive testing of stainless steel composites plate by infrared thermography |
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Authors: | Guo-hua Li Yu Hu Jun-ya Fang Xia-ying Gu Ju-chun Gao Miao Wu |
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Institution: | (1) Department of Aerospace Engineering, University of Naples Federico II, Ple Tecchio 80, 80125 Naples, Italy |
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Abstract: | The non-destructive testing (NDT) of debonding in stainless steel composites plate (SSCP) is performed by infrared thermography,
finite element analysis (FEA) software ANSYS is taken as the simulative tool, and 2D simulative model has been set up to investigate
effect of the thickness of coating and/or substrate on the detectibility of debonging in SSCPs. Two parameters, namely the
maximum defect temperature difference and defect appearing index, are defined to evaluate the detectivity of defects, and
their computational methods and formulas are given respectively. The preliminary changing tendency of the maximum defect temperature
difference and defect appearing index with the thickness of coating and/or substrate is found by numerical simulation. |
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