Microwave induced plasma process for producing tungsten carbide

Details Microwave induced plasma process for producing tungsten carbide Microwave induced plasma process for producing tungsten carbide

1991-05-20

1992-07-21

Niebling, John

Chemistry: electrical and wave energy

Processes and products

Electrostatic field or electrical discharge

419 18, 423440, H05H 146, B22F 914

Patent

active

051319926

ABSTRACT:
A method of heating reactant materials in a plasma chamber to achieve a reaction temperature by enveloping the materials in a microwave induced electric plasma. The plasma chamber positioned in the microwave waveguide is filled with a gas and predetermined quantities of the reactant materials are placed in the chamber or reactor. A microwave produced electric field is passed through the gas to ionize it and produce an electric plasma that envelopes the reactant materials. The process may be used in a variety of high temperature chemical processes such as the production of tungsten carbide.

REFERENCES:
patent: 3814983 (1974-06-01), Weissfloch et al.
patent: 4501717 (1985-02-01), Tsukamoto et al.
patent: 4680096 (1987-07-01), Dosaj et al.
patent: 4719078 (1988-01-01), Miyashita et al.
patent: 4752456 (1988-06-01), Yoda et al.
patent: 4769064 (1988-09-01), Buss et al.

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