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Comparison between optical pulsed thermography and vibrothermography for the assessment of carbon fibers composite materials
Montrieux, Henri-Michel; Demy, Philippe; Ibarra-Castanedo, Clemente et al.
2013In Maldague, X. (Ed.) Advances in Signal Processing for Non Destructive Evaluation of Materials Proceedings of the VIIth International Workshop and selected papers from 16th International Symposium on Applied Electromagnetics and Mechanics (ISEM 2013)
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Keywords :
carbon fibers; optical thermography; vibrothermography; magnesium; MMC; NDA; non-destructive analysis; LiMaRC - Liège Materials Research Center
Abstract :
[en] Pulsed thermography and vibrothermography are two active thermography techniques characterized by different heating methods of the specimen. In pulsed phase thermography, a sample is heated by two flash lamps for a short period to inject a Dirac impulse heat in the material. The cooling of the part is monitored with an infrared camera to detect thermal contrast in the image, characteristic of the presence of a defect. In vibrothermography, high frequency vibrations are injected into the sample causing an internal heating observed on surface right above the defect due to diverse phenomena as friction or viscoelastic hysteresis. If pulsed thermography is a well-known technique that has been integrated into the arsenal of industrial NDT methods, vibrothermography is a less common experimental method still subject to theoretical and practical investigations. This article aims to compare the effectiveness of the two methods in the case of different types of composites based on carbon fibers: carbon fiber reinforced plastic (CFRP) plates as well as a completely new material: carbon magnesium composite.
Disciplines :
Materials science & engineering
Author, co-author :
Montrieux, Henri-Michel ;  Université de Liège - ULiège > Département d'aérospatiale et mécanique > Science des matériaux métalliques
Demy, Philippe;  Haute école de la Province de Liège
Ibarra-Castanedo, Clemente;  Université Laval > Laboratoire de vision et Systèmes numériques
Mertens, Anne  ;  Université de Liège - ULiège > Département d'aérospatiale et mécanique > Science des matériaux métalliques
Gerlach, Nathalie ;  Université de Liège - ULiège > Département d'aérospatiale et mécanique > Science des matériaux métalliques
Lecomte-Beckers, Jacqueline ;  Université de Liège - ULiège > Département d'aérospatiale et mécanique > Science des matériaux métalliques  ; Université de Liège - ULiège > Département d'aérospatiale et mécanique > Science des matériaux métalliques
Maldague, Xavier;  Université Laval > Laboratoire de vision et Systèmes numériques
Language :
English
Title :
Comparison between optical pulsed thermography and vibrothermography for the assessment of carbon fibers composite materials
Publication date :
02 August 2013
Event name :
International Symposium on Applied Electromagnetics and Mechanics
Event organizer :
Université Laval - Prof. X. Maldague
Event place :
Québec, Canada
Event date :
du 29 juillet 2013 au 2 août 2013
Audience :
International
Main work title :
Advances in Signal Processing for Non Destructive Evaluation of Materials Proceedings of the VIIth International Workshop and selected papers from 16th International Symposium on Applied Electromagnetics and Mechanics (ISEM 2013)
Editor :
Maldague, X.
Publisher :
É. Du CAO, Canada
Edition :
978-2-9809199-4-7
Peer reviewed :
Peer reviewed
Available on ORBi :
since 13 January 2014

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