Production of magnetic powder

Details Production of magnetic powder Production of magnetic powder

1979-03-07

1981-06-23

Edmundson, F. C.

Specialized metallurgical processes, compositions for use therei

Processes

Electrothermic processes

75 05BA, B22F 918

Patent

active

042748658

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 reductions, with an aqueous solution and/or suspension of one member selected from the group consisting of zinc, chromium and copper compounds and mixtures thereof.

REFERENCES:
patent: 2687349 (1954-08-01), Schlecht et al.
patent: 3598568 (1971-08-01), Klomp et al.
patent: 3607220 (1971-09-01), Vandergvessen et al.
patent: 3702270 (1972-11-01), Kawasaki et al.
patent: 4063000 (1977-12-01), Aonuma et al.
patent: 4067755 (1978-01-01), Umeki et al.

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