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Proceedings Paper

Laser-shock processing of materials and related measurements
Author(s): Patrice Peyre; Remy Fabbro; Laurent Berthe; Xavier Scherpereel; Eric Bartnicki
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Paper Abstract

Laser-induced pressure generation and surface modifications induced by laser-shock processing were investigated with the use of different laser conditions including a large range of pulse durations and wavelengths. With the use of several lasers sources, original results could be pointed out concerning the precise influence of laser parameters on the shock generation in water-confined plasma regime. The beneficial influence of short pulse durations (1 to 10 ns) and the deleterious effect of short wavelengths (below 0.532 micrometer) were demonstrated with the use of a VISAR Doppler velocimetry system. Lastly, beneficial effects of LSP were shown on many surface applications such as fatigue and fatigue contact resistance, pitting corrosion and stress corrosion cracking behaviors.

Paper Details

Date Published: 14 September 1998
PDF: 11 pages
Proc. SPIE 3343, High-Power Laser Ablation, (14 September 1998); doi: 10.1117/12.321565
Show Author Affiliations
Patrice Peyre, CLFA/LALP (France)
Remy Fabbro, CLFA/LALP (France)
Laurent Berthe, CLFA/LALP (France)
Xavier Scherpereel, CLFA/LALP (France)
Eric Bartnicki, CLFA/LALP (France)

Published in SPIE Proceedings Vol. 3343:
High-Power Laser Ablation
Claude R. Phipps, Editor(s)

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