| Issue |
Eur. Phys. J. Appl. Phys.
Volume 65, Number 3, March 2014
|
|
|---|---|---|
| Article Number | 31001 | |
| Number of page(s) | 12 | |
| Section | Instrumentation and Metrology | |
| DOI | https://doi.org/10.1051/epjap/2014130332 | |
| Published online | 07 March 2014 | |
https://doi.org/10.1051/epjap/2014130332
Crack detection by stimulated infrared thermography
GRESPI/ECATHERM, Université de Reims Champagne Ardenne, Moulin de la Housse, BP 1039, 51687
Reims, France
a e-mail: jean-luc.bodnar@univ-reims.fr
Received:
16
July
2013
Revised:
29
January
2014
Accepted:
31
January
2014
Published online:
7
March
2014
In this paper, the potential of stimulated infrared thermography is studied for the detection of cracks located in metallic materials. To start with, the feasibility of the method is shown with the use of numerical simulations. Stimulated infrared thermography allows detecting emerging cracks in samples whether reflective or not as well as non-emerging cracks. In addition, crack detection is due to the radiative effects and/or the thermal effects induced by the defects. Then, the experimental device implemented for the study is detailed. Finally, experiments confirm that stimulated infrared thermography enables to detect microscopic cracks, whether emerging or non-emerging, in metal samples.
© EDP Sciences, 2014
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