Numerical Simulation of Infrared Nondestructive Testing to Metal Sample with Subsurface Defects

Qing Ju Tang

doi:10.4028/www.scientific.net/AMR.179-180.1075

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 179-180Numerical Simulation of Infrared Nondestructive...

Numerical Simulation of Infrared Nondestructive Testing to Metal Sample with Subsurface Defects

Abstract:

The transient heat transfer equation of the sample with defects is built. Numerical simulation of PT(Pulsed Thermography, ‘PT’) testing is done against C30Steel sample with hole defects via finite element method. Results show that, both the maximum value of the surface temperature and the time of the appearance of the inflection points change with the change of the defect diameter and depth. The surface temperature curves can be used for quantitative study of the defect characteristics.

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Periodical:

Advanced Materials Research (Volumes 179-180)

Pages:

1075-1079

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.179-180.1075

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Online since:

January 2011

Authors:

Qing Ju Tang

Keywords:

Defect Detection, Finite Element Model (FEM), Pt, Quantitative Study

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References

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