Method for forming a mixed carbide layer on the surface of a...

Details Method for forming a mixed carbide layer on the surface of a... Method for forming a mixed carbide layer on the surface of a...

C - Chemistry, Metallurgy

23

C

117/123, 6/225,

C23C 10/26 (2006.01)

Patent

CA 1105499

ABSTRACT OF THE DISCLOSURE A method and treating material are presented for forming a mixed carbide layer of Va-group elements or Va-group elements and chromium on the surface of a carbon containing ferrous-alloy article. The treating material is composed mainly of boric acid or borate, one or more oxides of Va-group element or chromium and one or more metals or alloys of Va-group elements or chromium (other than the elements forming the oxides). The method com- prises heating the treating bath up to its molten state and dipping an ar- ticle into the molten treating bath. The mixed carbide layer formed on the article has very smooth, surface wear resistant, corrosion resistant and high temperature oxidation resistant.

306923

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