C - Chemistry – Metallurgy – 23 – C
Patent
C - Chemistry, Metallurgy
23
C
C23C 22/48 (2006.01) C23C 14/32 (2006.01) C23C 14/50 (2006.01) C23C 22/08 (2006.01) C23C 28/00 (2006.01) C23C 28/04 (2006.01)
Patent
CA 2424030
An article is protected with a wear-resistant coating. The wear-coated article is thereafter treated to produce a chemical conversion coating on any portions of the surface of the article accessible through micropores in the wear- resistant coating. For steel articles, the wear-resistant coating is preferably a titanium nitride-based intermetallic compound such as TiN, Ti2N, (TiAl)N, Ti(CN), (TiAl)(CN), ZrN, and CrN, and the chemical conversion coating is preferably a phosphate-based compound.
Un article est protégé d'un revêtement anti-usure. L'article ainsi revêtu subit un traitement destiné à produire un revêtement de conversion chimique dans toutes les parties de la surface de l'article accessibles par des micropores du revêtement anti-usure. Pour les articles en acier, le revêtement anti-usure est de préférence un composé intermétallique à base de nitrure de titane tel que les TiN, Ti¿2?N, (TiAl)N, Ti(CN), (TiAl)(CN), ZrN, et CrN, le revêtement de conversion chimique étant de préférence un composé phosphaté.
Campbell Dana Howard
Meckel Nathan K.
Borden Ladner Gervais Llp
Molecular Metallurgy Inc.
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