Metal powder production by direct reduction in an arc heater

Details Metal powder production by direct reduction in an arc heater Metal powder production by direct reduction in an arc heater

1975-03-10

1976-11-16

Stallard, W.

Specialized metallurgical processes, compositions for use therei

Processes

Electrothermic processes

75 5BB, 75 10R, B22F 900

Patent

active

039921930

ABSTRACT:
A process for the production of metal powder from an ore by direct reduction in an arc heater characterized by the steps of introducing a finely divided ore into an arc heated plasma gas to effect reduction of the ore to small liquid droplets of elemental metal in a reducing atmosphere and quenching the metal droplets to form solid metal powder, the metal having a melting point of not more than the temperature of the chemical reduction reaction, such metal being iron, chromium, vanadium, manganese, cobalt or nickel.

REFERENCES:
patent: 3475158 (1969-10-01), Nevenschwander
patent: 3695795 (1972-10-01), Jossick
patent: 3765870 (1973-10-01), Fey et al.

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