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Proceedings Paper

Excimer laser surface remelting processes of metallic materials
Author(s): Michel L. Autric; Damien Weidmann; Gilbert Vacquier
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Paper Abstract

Physical and chemical transformations induced upon metallic materials such as aluminum alloys and steels under KrF excimer laser radiation have been studied in order to improve their mechanical and physical-chemical properties. The laser treatment leads, after laser surface remelting (LSR) process, to important changes in the topography, structure, phases and elements composition resulting in different hardness, wear properties and corrosion resistance. Up to now, the use of excimer lasers for industrial applications remains marginal in spite of the interest related to the short wavelength (better energetic coupling) and the reduced thermal effects in the bulk material. This paper concerns mainly the corrosion resistance improvement of metallic alloys irradiated at 248 nm. Electrochemical tests have revealed a significant change in the corrosion properties mainly due to chemical composition and structural modifications.

Paper Details

Date Published: 22 December 1998
PDF: 7 pages
Proc. SPIE 3574, XII International Symposium on Gas Flow and Chemical Lasers and High-Power Laser Conference, (22 December 1998); doi: 10.1117/12.334401
Show Author Affiliations
Michel L. Autric, Institut de Recherche sur les Phenomenes Hors Equilibre (France)
Damien Weidmann, Institut de Recherche sur les Phenomenes Hors Equilibre (France)
Gilbert Vacquier, Univ. de Provence (France)


Published in SPIE Proceedings Vol. 3574:
XII International Symposium on Gas Flow and Chemical Lasers and High-Power Laser Conference
Anatoly S. Boreisho; Gennady A. Baranov, Editor(s)

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