Process for surface treatment titanium-containing metallic mater

Details Process for surface treatment titanium-containing metallic mater Process for surface treatment titanium-containing metallic mater

1991-02-08

1992-05-26

Roy, Upendra

Metal treatment

Process of modifying or maintaining internal physical...

Producing or treating layered, bonded, welded, or...

148253, 148269, 148281, 148282, 428661, 205184, B05D 700, G23C 1800

Patent

active

051164302

ABSTRACT:
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.degree. 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.sub.Z of 1.0 to 10.0 .mu.m, and (H) coating the roughened surface of the Ti-containing material with a solid lubricant coating layer comprising at least one member selected from MoS.sub.2, graphite, boron nitride and F-containing polymer resin.

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Computer Search Printout locating the family members of German Patent (DE-C2) No. 3321-3231, Sep. 23, 1991.

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