Metal founding – Means to shape metallic material – Continuous or semicontinuous casting
Patent
1995-04-07
1996-03-19
Batten, Jr., J. Reed
Metal founding
Means to shape metallic material
Continuous or semicontinuous casting
164138, B22D 1104
Patent
active
054996724
ABSTRACT:
A mold for continuous casting comprises a copper or copper alloy mold substrate and a sprayed coating film formed on non-blasted inner surfaces of the substrate with or without a metal plated skin layer provided between the substrate and the film. For the formation of the sprayed coating film, particles of at least one tungsten carbide-based wear-resistant material having a particle size of from 5 .mu.m to 53 .mu.m and having a hardness capable of anchoring in the inner surfaces of the substrate are subjected to high pressure/high velocity oxygen fuel coating under conditions where the particles remain at least partially non-fused on application of heat from a spraying flame. By this, a layer directly anchored in the inner surfaces of the substrate or in the skin layer, if present, is formed at least as one layer of the sprayed coating film formed in a total film thickness of from 0.01 to 6 mm. No thermal fusing treatment is necessary since the bonding between the substrate or skin layer and the layer is strong.
REFERENCES:
patent: 5014768 (1991-05-01), Waters et al.
Ishigane Ryoichi
Nakashima Kunio
Tanaka Takayuki
Yamamoto Kenzo
Batten, Jr. J. Reed
Chuetsu Metal Works Co., Ltd.
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