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Laser shock waves technique for damage threshold determination of aeronautic composite materials

: Ecault, R.; Boustie, M.; Touchard, F.; Berthe, L.; Chocinski-Arnault, L.; Ehrhart, B.; Bockenheimer, C.

Volltext (PDF; )

Quaresimin, M. ; University of Padova, Department of Management and Engineering -dtg-; European Society for Composite Materials -ESCM-:
15th European Conference on Composite Materials, ECCM 2012. Proceedings : June 24-28, 2012, Venice, Italy
Padua: University of Padova, 2012
ISBN: 978-88-88785-33-2
8 S.
European Conference on Composite Materials (ECCM) <15, 2012, Venice>
Konferenzbeitrag, Elektronische Publikation
Fraunhofer IZFP ()

Laser shocks were performed on two aeronautical composite materials. The use of time resolved image acquisition enabled to study the dynamic behavior of the damage induced by the laser shock wave propagations. Since laser loading is really short, post-mortem analysis were possible. X-Ray radiography, cross section micrographies and Interferometric confocal microscopy were used to investigate the laser shock effect on composite material. Main damage dimensions were compared from one material to the other. A difference in the damage threshold to laser shock was lightened.