C - Chemistry – Metallurgy – 23 – C
Patent
C - Chemistry, Metallurgy
23
C
117/73
C23C 18/14 (2006.01) B22F 7/04 (2006.01) C23C 24/08 (2006.01) C23C 24/10 (2006.01)
Patent
CA 1170514
ABSTRACT OF THE DISCLOSURE A method for forming an anticorrosive coating on the surface of a metal substrate, which comprises, in one embodiment, (1) coating the surface of the metal substrate with an anticorrosive metal capable of forming an alloy with the substrate metal and/or a hydride of the anticorrosive metal; (2) heating the coated surface, and then; (3) heating the coated surface in a vacuum or in an atmosphere substantially inert to the metal coating and the metal substrate by irradiating the coated surface with electron beams, laser beams or a plasma arc to sinter the coated metal and form an alloy layer in the interface between the metal substrate and the metal coating and, in another embodiment, subsequent to Step (2) and prior Step (3) above, coating the coated surface with a solution of a thermally decomposable platinum-group metal compound and then heating the resulting coated surface at about 40°C to about 600°C.
377139
Asano Hiroshi
Goto Toshiki
Hosonuma Masashi
Nitta Hideo
Shimamune Takayuki
G. Ronald Bell & Associates
Permelec Electrode Ltd.
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