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Improving the Properties of Materials With Laser-Peening: An Overview on French Activities

[+] Author Affiliations
P. Peyre, L. Berthe, R. Fabbro

LALP-CNRS, Arcueil, France

Paper No. PVP2006-ICPVT-11-93307, pp. 185-192; 8 pages
doi:10.1115/PVP2006-ICPVT-11-93307
From:
  • ASME 2006 Pressure Vessels and Piping/ICPVT-11 Conference
  • Volume 7: Operations, Applications, and Components
  • Vancouver, BC, Canada, July 23–27, 2006
  • Conference Sponsors: Pressure Vessels and Piping Division
  • ISBN: 0-7918-4758-6 | eISBN: 0-7918-3782-3
  • Copyright © 2006 by ASME

abstract

Extensive work was carried out in France since 1986 on all the fields relevant to laser-shock processing (or laser-peening), including plasma physics, laser shock-waves detonics, surface modifications (residual stresses ...), and improvement of materials properties such as fatigue, corrosion or wear. The paper aims at presenting an overview on the most recent works about LP, with a special focus on FE modeling aspects for residual stress predictions, on pitting corrosion properties of a 316L steel after LP treatment, and on different fatigue applications, mainly on aluminium alloys. For most of the applications considered, the benefits of LP will be discussed, compared with usual mechanical treatments such as shot-peening.

Copyright © 2006 by ASME

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