High hardness flame spray nickel-base alloy coating material

Details High hardness flame spray nickel-base alloy coating material High hardness flame spray nickel-base alloy coating material

1975-08-18

1977-06-21

Smith, Ronald H.

Coating processes

Roller applicator utilized

75 5R, 75 5BA, B05D 108

Patent

active

040312780

ABSTRACT:
A metal spray powder blend is provided characterized by the property of forming a dense coating on a metal substrate comprising a self-fluxing nickel-base alloy powder having intimately associated with the surface thereof by blending an aluminum powder ranging in amount from about 0.5 to 5% by weight, the average size ratio of the nickel-base alloy powder to the aluminum powder being over 5:1, the aluminum powder having an average particle size of less than about 15 microns. A preferred method of spraying the powder is to gravity feed it into the flame of a metal spraying torch.

REFERENCES:
patent: 2786779 (1957-03-01), Long et al.
patent: 2961335 (1960-11-01), Shepard
patent: 3338688 (1967-08-01), Longo
patent: 3428442 (1969-02-01), Yurasko
patent: 3436248 (1969-04-01), Dittrich et al.
patent: 3607343 (1971-09-01), Longo
patent: 3617358 (1971-11-01), Dittrich
patent: 3700427 (1972-10-01), Hoppin et al.
patent: 3769689 (1973-11-01), Little
Metco "R & D Powders for Flame Spraying Thermo Spray -- Plasma Flame" Bulletin 10F 1/m 8-63 (1963).

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