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Proceedings Paper

Nondestructive testing of arc- and flame-sprayed coatings by holographic thermal stressing
Author(s): Terry Y. Chen; W. R. Wang
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Paper Abstract

The feasibility of using holographic interferometry for the nondestructive testing of arc and flame sprayed coatings is studied by using thermal stressing technique. The detection of bonding flaws in several specimens has been demonstrated. The location and shape of flaws detected are closely related to the artificial defects. By employing fringe control technique, the thermal stressing method can be more effective for flaw detection. With thermalplastic recording and vision system, the size and location of flaw can be visualized and evaluated in a few minutes.

Paper Details

Date Published: 1 January 1992
PDF: 6 pages
Proc. SPIE 1553, Laser Interferometry IV: Computer-Aided Interferometry, (1 January 1992); doi: 10.1117/12.135332
Show Author Affiliations
Terry Y. Chen, National Cheng Kung Univ. (Taiwan)
W. R. Wang, National Cheng Kung Univ. (Taiwan)

Published in SPIE Proceedings Vol. 1553:
Laser Interferometry IV: Computer-Aided Interferometry
Ryszard J. Pryputniewicz, Editor(s)

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