Method of forming a carbide layer

Details Method of forming a carbide layer Method of forming a carbide layer

1986-09-30

1987-08-11

Beck, Shrive P.

Coating processes

Coating by vapor, gas, or smoke

Carbon or carbide coating

4272552, 4272554, 427399, B05D 724

Patent

active

046861173

ABSTRACT:
A method of forming a layer of the carbide of titanium, vanadium, etc. on the surface of an article containing carbon by employing a fluidized bed furnace. The formation of the layer is effected by disposing in the furnace a coating agent prepared from a refractory powder, a carbide forming powder composed of at least one carbide forming metal or alloy and a halide powder, and the article, and introducing a fluidizing gas into the furnace under heat to fluidize the agent. This method enables the safe and rapid formation of a carbide layer having a uniform thickness and smooth surface.

REFERENCES:
patent: 3579373 (1971-05-01), Pingel
patent: 4461656 (1984-07-01), Ross

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