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Title: Damage localization in laminated composite plates using double pulse-electronic holographic interferometry
Author: Santos, J.V. Araújo dos
Lopes, H.
Vaz, M.A.P.
Soares, C.M. Mota
Soares, C.A. Mota
Freitas, M.J.M. de
Keywords: Damage localization
Laminated plate
Mode shape curvature
Pulse- electronic holographic interferometry
Acoustic excitation
Non destructive inspection.
Issue Date: 2006
Publisher: C.A. Mota Soares (eds.)
Citation: Santos, J.V. Araújo; Lopes, H.; Vaz, M.A.P.; Soares, C.M.; Soares, C.A.; Freitas, M.J.M. (2006) - Damage localization in laminated composite plates using double pulse-electronic holographic interferometry. In III European Conference on Computational Mechanics: Solids, Structures and Coupled Problems in Engineering. Lisboa, Portugal. ISBN 1402049943.
Abstract: One method for the damage localization of impact damage in laminated composite plates, based on their vibrational characteristics, is presented in this paper. This method uses double pulse-electronic holographic interferometry for mode shapes acquisition and the differences in curvatures. The rotations and curvatures are numerically obtained. The method is applied to a carbon fibre reinforced epoxy rectangular plate, free in space, subjected to two cases of impact damage. It is shown that the method based on curvatures allows for the localization of both cases of damage, which can be undetected by visual, X-ray or C-Scan inspections. The best localizations are achieved by selecting and applying the method to the most changed mode.
Peer review: yes
ISBN: 1402049943
Appears in Collections:DMA - Artigos em Proceedings Não Indexados ao ISI/Scopus

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