Laser induced improvement of surfaces

Details Laser induced improvement of surfaces Laser induced improvement of surfaces

C - Chemistry, Metallurgy

23

C

C23C 10/30 (2006.01) B23K 26/00 (2006.01) B23K 26/06 (2006.01) B23K 26/34 (2006.01) C21D 1/34 (2006.01) C23C 10/32 (2006.01) C23C 26/02 (2006.01) B23K 35/30 (2006.01)

Patent

CA 2241316

A method for treating a metal surface subject to corrosion forms a protective alloy in the surface and subsurface of the metal by laser treatment of a precursor alloying material and the metallic substrate, also the apparatus and the treated surfaces which result. A method is disclosed for making a laser alloyed metal part smooth by post-treatment. The smooth laser alloyed metal part is also disclosed.

Procédé de traitement d'une surface métallique sujette à la corrosion consistant à former un alliage protecteur dans la surface et la sous-surface du métal par traitement laser d'un matériau d'alliage précurseur et du substrat métallique. L'invention se rapporte également à l'appareil de traitement et aux surfaces traitées, ainsi qu'à un procédé de fabrication d'une pièce métallique alliée par laser, lissée après traitement. La pièce métallique alliée par laser, lisse, est éagalement décrite.

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