C - Chemistry – Metallurgy – 23 – C
Patent
C - Chemistry, Metallurgy
23
C
13/10, 117/114.1
C23C 2/26 (2006.01) B22F 7/04 (2006.01) B32B 15/01 (2006.01) C23C 16/56 (2006.01) C23C 18/00 (2006.01) C23C 28/02 (2006.01)
Patent
CA 1185843
WEAR-RESISTANT METALLIC ARTICLE Abstract of the Disclosure A wear-resistant metallic article is provided which com- prises a metallic substrate, a barrier layer of a metal selected from the group consisting of nickel, alloys of nickel, copper and alloys of copper on a surface of the metallic substrate and a layer of wear-resistant material bonded to the substrate, with the wear- resistant material including a mixture of nickel aluminide in a copper base matrix. A method is provided for producing the above-described wear-resistant metallic article which method comprises the steps of (a) providing a metallic substrate, (b) affixing a barrier layer of a metal selected from the group consisting of nickel, alloys of nickel, copper and alloys of copper to a surface of the metallic substrate, (c) applying a layer of wear-resistant material over the surface of the barrier layer, with the wear-resistant material including a mixture of nickel aluminide in a copper base matrix, (d) sintering the so-applied wear-resistant material at a temperature sufficient to cause it to become bonded to the substrate, (e) com- pacting the sintered article an amount sufficient to cause it to have a density near theoretical, and (f) re-sintering the compacted article at a temperature sufficient to cause the wear-resistant material to become bonded together and to the substrate.
368101
O'brien James W.
Spevak Frank
Imperial Clevite Inc.
Marcoux & Sher Swabey Mitchell Houle
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