C - Chemistry – Metallurgy – 23 – C
Patent
C - Chemistry, Metallurgy
23
C
C23C 14/02 (2006.01) B08B 7/00 (2006.01) C22C 1/10 (2006.01) C22C 32/00 (2006.01) C23C 16/02 (2006.01) C23C 28/00 (2006.01) C23C 28/02 (2006.01) C23F 1/00 (2006.01) C25D 5/34 (2006.01) C25D 5/54 (2006.01) H05K 1/05 (2006.01)
Patent
CA 2513691
The invention relates to a method that involves (a) removing graphite from at least one surface of a metal graphite composite material; (b) chemically cleaning or plasma etching the surface of the metal graphite composite material; (c) applying a metal-containing material to the surface of the chemically cleaned or plasma etched metal graphite composite material, and thereby forming an intermediate layer; (d) applying a metal coating on the intermediate layer, and thereby forming a composite material. The invention also relates to a composite material comprising (a) a metal graphite composite substrate having at least one surface that is substantially free of graphite; (b) a metal-containing intermediate layer located on a surface of the substrate; and (c) a metal coating on the intermediate layer.
L'invention concerne un procédé qui implique (a) l'enlèvement du graphite d'au moins une surface d'un matériau composite métal-graphite ; (b) le nettoyage chimique ou la gravure au plasma de la surface du matériau composite métal-graphite ; (c) l'application d'un matériau contenant du métal sur la surface du matériau composite nettoyée chimiquement ou marquée au plasma, et, donc, la formation d'une couche intermédiaire ; (d) l'application d'un revêtement métallique sur la couche intermédiaire, et, donc, la formation d'un matériau composite. L'invention concerne également un matériau composite comprenant (a) un substrat composite métal-graphite ayant au moins une surface sensiblement sans graphite ; (b) une couche intermédiaire contenant un métal posée sur une surface du substrat ; et (c) un revêtement métallique sur la couche intermédiaire.
Ballard Larry
Breit Hank
Cornie James
Cornie Stephen
Desberg Robert
H.c. Starck Inc.
Metal Matrix Cast Composites Inc.
Ogilvy Renault Llp/s.e.n.c.r.l.,s.r.l.
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