Nondestructive testing of resistance spot welds using eddy current thermography.

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ID: 87827
2018
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Abstract
The paper presents the use of eddy current thermography for detecting cracks in resistance spot welds. The sample is a three-sheet stack-up joined together by welding spots. Inductive Helmholtz coil is used for heating up the sample, and the thermal response of each spot is monitored using a cooled indium antimonide camera. The sequence of images captured is processed using the pulsed-phase thermography technique. The phase image is completed with a supplementary filtering operation to allow outlining defects. The result was confirmed with confocal microscopy inspection.
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taram2018nondestructiveapplied Use this key to autocite in the manuscript while using SciMatic Manuscript Manager or Thesis Manager
Authors Taram, Abdoulaye;Roquelet, Cyrielle;Meilland, Philip;Dupuy, Thomas;Kaczynski, Christine;Bodnar, Jean-Luc;Duvaut, Thierry;
Journal Applied optics
Year 2018
DOI
10.1364/AO.57.000D63
URL
Keywords
feature extraction pso-svm spot-welded joint tensile-shear strength ultrasonic detection

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