Nondestructive testing of resistance spot welds using eddy current thermography.

Clicks: 268
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.
Reference Key
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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