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Proceedings Paper

Cooling down thermography: principle and results for NDE
Author(s): S. Danesi; A. Salerno; Datong Wu; Gerhard Busse
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Paper Abstract

Cooling down thermography represents a novel approach to thermal nondestructive testing: the sample is previously heated in an oven in order to obtain a uniform temperature, then it is exposed to a lower ambient temperature. An IR camera monitors the surface temperature decay in order to reveal internal defects. While this approach presents clear disadvantages in terms of versatility, it allows for a faster and deeper penetration in the sample, and it has therefore mainly been used in order to reveal deep defects in insulating materials.

Paper Details

Date Published: 26 March 1998
PDF: 9 pages
Proc. SPIE 3361, Thermosense XX, (26 March 1998); doi: 10.1117/12.304736
Show Author Affiliations
S. Danesi, Univ. Stuttgart (Germany)
A. Salerno, Univ. Stuttgart (Germany)
Datong Wu, Univ. Stuttgart (Germany)
Gerhard Busse, Univ. Stuttgart (Germany)


Published in SPIE Proceedings Vol. 3361:
Thermosense XX
John R. Snell; Richard Norman Wurzbach, Editor(s)

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