EPJ Web of Conferences
Volume 6, 2010ICEM 14 – 14th International Conference on Experimental Mechanics
|Number of page(s)||8|
|Published online||10 June 2010|
Investigation of crack origin in hybrid components with twocolor digital Fresnel holography
LAUM CNRS, Université du Maine, Avenue Olivier Messiaen,
72085 LE MANS Cedex
2 École Nationale Supérieure d’Ingénieurs du Mans, rue Aristote, 72085 Le Mans Cedex 9, France
3 LPEC CNRS, Université du Maine, Avenue Olivier Messiaen, 72085 LE MANS Cedex 9, France
4 VALEO, 45 rue Charles de Coulomb, 14125 Mondeville Cedex, France
a e-mail: email@example.com
The paper presents a two-color digital holographic interferometer. The set-up is devoted to the investigation of crack origin in hybrid industrial electronic components. Optical configuration and algorithms to recover the optical phase of two-color digitally encoded holograms are described. The method is based on a spatial-color-multiplexing scheme in which holographic reconstruction is performed using a spectral scanning algorithm. Experimental results exhibit in-plane and out-of-plane non uniform deformations that are the probable cause of the cracking of the component.
© Owned by the authors, published by EDP Sciences, 2010
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