Process for surface treating titanium-containing metallic...

Details Process for surface treating titanium-containing metallic... Process for surface treating titanium-containing metallic...

C - Chemistry, Metallurgy

23

C

204/17, 204/21.6

C23C 28/00 (2006.01) C23C 30/00 (2006.01) C25D 5/50 (2006.01) C25D 15/00 (2006.01) C25D 15/02 (2006.01)

Patent

CA 2035970

A titanium-containing metallic material having a high heat-resistant and abrasion resistant surface is produced by (A) cleaning a titanium-containing metallic material, (B) first plating the cleaned surface of the metallic material with Cu or Ni by a strike or flash plating method, (C) second plating the first plated surface of the Ti-containing material with Ni, Ni-P alloy or a composite material comprising a Ni-P alloy matrix and fine ceramic particles dispersed in the matrix by an electroplating method, (D) non-oxidatively heat treating the second plated Ti-containing material at 450°C or more for one hour or more, (E) surface activating the second plated surface of the Ti-containing material, (F) coating the activated surface of the Ti-containing material with a heat and abrasion resistant coating layer comprising a matrix consisting of a Ni-P alloy or cobalt and fine ceramic particles dispersed in the matrix, and optionally, (G) surface-roughening the heat and abrasion-resistant coating layer surface of the Ti-containing material to a R Z of 1.0 to 10.0 µm, and (H) coating the roughened surface of the Ti-containing material with a solid lubricant coating layer comprising at least one member selected from MoS2 , graphite, boron nitride and F-containing polymer resin.

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