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Impact damages detection on composite materials by THz imaging

Destic, Fabien and Bouvet, Christophe Impact damages detection on composite materials by THz imaging. (2016) Case Studies in Nondestructive Testing and Evaluation, 6. 53-62. ISSN 2214-6571

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Official URL: http://dx.doi.org/10.1016/j.csndt.2016.09.003

Abstract

This paper presents a Non-Destructive Testing (NDT) method based on the penetration properties of terahertz (THz) waves. A CW raster-scanning THz imaging setup, using a 3.8 THz Quantum Cascade Laser as a source, is used to perform NDT of polypropylene/polypropylene composite samples. Results from transmission and reflection THz imaging are compared to ultrasound C-scan. THz images in reflection give similar results to C-scan whereas THz transmission images provide more information about delaminations and cracks in the fiber fabrics.

Item Type:Article
Additional Information:This is an open access article under the CC BY-NC-ND license.
HAL Id:hal-01828758
Audience (journal):International peer-reviewed journal
Uncontrolled Keywords:
Institution:French research institutions > Centre National de la Recherche Scientifique - CNRS (FRANCE)
Université de Toulouse > Ecole nationale supérieure des Mines d'Albi-Carmaux - IMT Mines Albi (FRANCE)
Université de Toulouse > Institut National des Sciences Appliquées de Toulouse - INSA (FRANCE)
Université de Toulouse > Institut Supérieur de l'Aéronautique et de l'Espace - ISAE-SUPAERO (FRANCE)
Université de Toulouse > Université Toulouse III - Paul Sabatier - UPS (FRANCE)
Laboratory name:
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Deposited By: christophe bouvet
Deposited On:24 Nov 2016 17:42

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