Production of magnetic powder

Details Production of magnetic powder Production of magnetic powder

1981-03-24

1983-09-13

Sheehan, John P.

Specialized metallurgical processes, compositions for use therei

Processes

Electrothermic processes

75 05AA, 75251, C22C 104

Patent

active

044040245

ABSTRACT:
The magnetic characteristics of magnetic powder consisting mainly of iron are improved by pre-treating the starting material from which the magnetic powder is prepared by reduction, with an aqueous solution and/or suspension of one member selected from the group consisting of cobalt, nickel, manganese and antimony compounds and mixtures thereof.

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patent: 4069073 (1978-01-01), Tadokoro et al.
patent: 4133676 (1979-01-01), Oshimura et al.
patent: 4306921 (1981-12-01), Suzuki et al.

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