Stock material or miscellaneous articles – Structurally defined web or sheet – Including components having same physical characteristic in...
Patent
1990-05-31
1993-06-29
Robinson, Ellis P.
Stock material or miscellaneous articles
Structurally defined web or sheet
Including components having same physical characteristic in...
428621, 428632, 428665, 428698, 428697, 428701, 428702, B32B 1500
Patent
active
052233324
ABSTRACT:
A duplex coating for substrates that comprises an undercoat of tungsten carbide-cobalt having a strain-to-fracture of greater than 4.3.times.10.sup.-3 inch per inch and a top coat of a ceramic material such as alumina in which the ratio of the thickness of the top coat to the undercoat is from 6:1 to 1:3.
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Muller et al "Applying Tungsten Carbide Cobal Coatings by High Velocity Combustion Spraying" Sulzer Technical Review Apr. 1988 pp. 4-10.
Dorfman et al "A technical assessment of high velocity oxygen-fuel versus high energy plasma tungsten carbide-cobalt coatings for wear resistance" Conference: Thermal Spraying the Welding Institute 1989, pp. 291-302.
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O'Brien Cornelius F.
Praxair S.T. Technology, Inc.
Robinson Ellis P.
Turner A.
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