Wear resistant coating and process

Details Wear resistant coating and process Wear resistant coating and process

C - Chemistry, Metallurgy

23

C

117/226, 117/230

C23C 4/06 (2006.01) B05D 1/08 (2006.01) B32B 15/00 (2006.01) C23C 4/02 (2006.01)

Patent

CA 1256751

ABSTRACT OF THE INVENTION A composite article comprising a metallic substrate having an improved ductile wear and corrosion resistant surface coating thereon and metallurgically bonded thereto in which the coating comprises a nickel- chromium-tungsten base alloy matrix having uniformly dispersed therethrough a plurality of primary wear resistant particles such as tungsten carbide, for example, and secondary chromium and/or tungsten carbide crystals. The invention further encompasses the method of making the composite article by applying a particulated mixture of the metal alloy and primary wear resistant particles preferably by the Plasma Transferred Arc technique on the surface of a metallic substrate.

547034

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