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Proceedings Paper

Investigation of crack initiation with a three color digital holographic interferometer
Author(s): Mayssa Karray; Christophe Poilane; Denis Mounier; Mohamed Gargoury; Pascal Picart
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Paper Abstract

This paper proposes a three-color holographic interferometer devoted to the deformation analysis of a composite material submitted to a short beam shear test. The simultaneous recording of three laser wavelengths using a triple CCD sensor results in the evaluation of shear strains at the lateral surface of the sample. Such an evaluation provides a pertinent parameter to detect premature crack in the structure, long before it becomes visible on the real time stress/strain curve, or with a classical microscope.

Paper Details

Date Published: 11 September 2012
PDF: 6 pages
Proc. SPIE 8413, Speckle 2012: V International Conference on Speckle Metrology, 841311 (11 September 2012); doi: 10.1117/12.976047
Show Author Affiliations
Mayssa Karray, Lab. d'Acoustique de l'Univ. du Maine, CNRS, Univ. du Maine (France)
Unité de Recherche de Physique de l'État Solide, Univ. de Sfax (Tunisia)
Christophe Poilane, Lab. d'Acoustique de l'Univ. du Maine, CNRS, Univ. du Maine (France)
Denis Mounier, Lab. d'Acoustique de l'Univ. du Maine, CNRS, Univ. du Maine (France)
Mohamed Gargoury, Unité de Recherche de Physique de l'État Solide, Univ. de Sfax (Tunisia)
Pascal Picart, Lab. d'Acoustique de l'Univ. du Maine, CNRS, Univ. du Maine (France)
École Nationale Supérieure d'Ingénieurs du Mans (France)


Published in SPIE Proceedings Vol. 8413:
Speckle 2012: V International Conference on Speckle Metrology
Ángel Fernandez Doval; Cristina Trillo, Editor(s)

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