Stock material or miscellaneous articles – All metal or with adjacent metals – Having metal particles
Patent
1980-01-16
1985-01-22
Padgett, Ben R.
Stock material or miscellaneous articles
All metal or with adjacent metals
Having metal particles
308241, 308DIG5, 308DIG8, 419 8, B22F 708, B22F 704, F16C 3300
Patent
active
044952520
ABSTRACT:
A wear-resistant metallic article is provided which comprises 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) compacting 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.
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Chemical Abstracts, vol. 69, #4656r(19).
O'Brien James W.
Spevak Frank
Baumann Russell E.
Brookes Anne
Imperial Clevite Inc.
Padgett Ben R.
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