Process for producing ferromagnetic metal powder

Details Process for producing ferromagnetic metal powder Process for producing ferromagnetic metal powder

1977-08-01

1978-07-18

Stallard, W.

Specialized metallurgical processes, compositions for use therei

Processes

Electrothermic processes

148 3155, 148105, 148108, 252 6255, H01F 106

Patent

active

041013115

ABSTRACT:
A ferromagnetic metal powder having a narrow distribution of coercive force produced by reducing a salt of a metal capable of forming a ferromagnetic material as an aqueous solution thereof, where the reducing reaction is carried out while maintaining the temperature of the aqueous solution during and/or after the reduction reaction at about 20.degree. C higher than the temperature or less of the aqueous solution at the immediate beginning of the reduction reaction.

REFERENCES:
patent: 3943012 (1976-03-01), Tamai et al.
patent: 3966510 (1976-06-01), Aonuma et al.
patent: 4009111 (1977-02-01), Tamai et al.
patent: 4020236 (1977-04-01), Aonuma et al.

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