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Proceedings Paper

Elaboration of AlSn alloys by an Nd:YAG laser beam: tribological characterization
Author(s): Laurent Goetgheluck; Pierre Sallamand; Eric Rosset; Dominique F. Grevey; Bernard Vannes; Bernard Criqui
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Paper Abstract

Laser cladding of AlSn alloy onto a mild steel have been carried out. The laser source was a continuous Nd-YAG. Due to similar boiling temperatures of feeding materials, cladded layers are free from porosity. Microstructural analyses show that aluminum and tin do not mix, except at the eutectic composition of 97% of tin. Eutectic compounds are shown. Direct cladding onto the steel produces intermetallic AlxFey layer. This layer is very hard. In order to avoid the formation of this layer, the steel can be pre-coated with nickel. Tribological behavior of the cladded layers is then analyzed, in comparison with an industrial material. Experimental Stribeck curves are plotted. It is shown that lubrication regimes do not change from industrial to laser cladded material. Running in behavior is tested. Results show that a tin layer on the surface of the AlSn laser alloy improve this running in behavior.

Paper Details

Date Published: 7 February 2000
PDF: 8 pages
Proc. SPIE 3888, High-Power Lasers in Manufacturing, (7 February 2000); doi: 10.1117/12.377037
Show Author Affiliations
Laurent Goetgheluck, Ecole Centrale de Lyon (France)
Pierre Sallamand, Institut Universitaire de Technologie Le Creusot (France)
Eric Rosset, Ecole Polytechniqe Federale de Lausanne (Switzerland)
Dominique F. Grevey, Institut Universitaire de Technologie Le Creusot (France)
Bernard Vannes, Ecole Centrale de Lyon (France)
Bernard Criqui, Renault (France)

Published in SPIE Proceedings Vol. 3888:
High-Power Lasers in Manufacturing
Xiangli Chen; Tomoo Fujioka; Akira Matsunawa, Editor(s)

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