Production of magnetic powder

Details Production of magnetic powder Production of magnetic powder

1979-03-07

1981-12-22

Edmundson, F.

Metal treatment

Process of modifying or maintaining internal physical...

Magnetic materials

75 05AA, 75 05BA, 252 6255, B22F 922, H01F 106

Patent

active

043069215

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.

REFERENCES:
patent: 2999777 (1961-09-01), Yamartino et al.
patent: 3598568 (1971-08-01), Klomp et al.
patent: 3607220 (1971-09-01), vander Giessen et al.
patent: 3623859 (1971-11-01), Aldridge
patent: 3702270 (1972-11-01), Kawasaki et al.
patent: 4069073 (1978-01-01), Tadokoro et al.

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