Mechanics & Industry
Volume 15, Number 4, 2014
|Page(s)||313 - 321|
|Published online||20 June 2014|
Non-destructive testing of metallic materials using passive and active infrared thermography
CETIM, 52, avenue Félix Louat, 60300
2 GRESPI, UFR Sciences Exactes et Naturelles, BP 1039, 51687 Reims Cedex 2, France
a Corresponding author:email@example.com
Received: 7 January 2014
Accepted: 15 May 2014
In this work, we approach the possibilities of infrared thermography for non-destructive testing of metallic materials. We show that the passive alternative of the method makes it possible to improve detection of surface defects existing in deep-drawn parts and visible to the naked eye. We then show that active infrared thermography, in particular coupled with induction excitation, can replace in certain cases the magnetic particle inspection, allowing the detection of very fine defects in forged parts. Finally, the study of a stepped block confirms the possibilities of active infrared thermography to detect defects not open to the surface and underlying defects.
Key words: Non destructive testing / infrared thermography / defect detection / metallic samples / industrial samples
© AFM, EDP Sciences 2014
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