Titanium or titanium alloy contacting surface

Details Titanium or titanium alloy contacting surface Titanium or titanium alloy contacting surface

C - Chemistry, Metallurgy

22

C

C22C 38/18 (2006.01) B22C 3/00 (2006.01) B22F 3/00 (2006.01) C22C 38/12 (2006.01)

Patent

CA 2534070

The invention mainly concerns the use of a weakly alloyed steel, substantially nickel-free, non-stainless, for making at least one surface of an article designed to be contacted with titanium or a titanium alloy, as well as a method for making at least the surface of such an article. In particular, the invention concerns the use of said alloy for making at least the contact surface of a mould for hot forming in solid state titanium-based alloys or titanium alloy, or for making at least the contact surface of tools for densifying or forming solid alloys or powders of titanium or of titanium alloy. The invention also enables the manufacture of articles designed to be in contact with titanium or a titanium alloy.

L'invention concerne essentiellement l'utilisation d'un acier faiblement allié, sensiblement sans nickel, non-inoxydable, pour la fabrication d'au moins la surface d'un article destiné à être mis en contact avec le titane ou un alliage de titane, ainsi qu'un procédé de fabrication d'au moins la surface d'un tel article.L'invention concerne notamment l'utilisation de cet alliage pour la fabrication d'au moins la surface en contact de moule de mise en forme à chaud à l'état solide d'alliages à base de titane ou d'alliage de titane, ou pour la fabrication d'au moins la surface en contact d'outillages pour la densification ou le formage d'alliages massifs ou de poudres de titane ou d'alliage de titane. L'invention permet la réalisation d'articles destinés à être mis en contact avec le titane ou un alliage de titane.

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