Process for producing magnetic metal powders

Details Process for producing magnetic metal powders Process for producing magnetic metal powders

1980-07-11

1981-06-09

Ozaki, G.

Specialized metallurgical processes, compositions for use therei

Processes

Electrothermic processes

75 05AA, 75252, 148105, C22B 512

Patent

active

042722853

ABSTRACT:
In a process for producing a magnetic metal powder, a magnetic metal compound is reduced by wet reduction in a state mixed with a clay or is heat treated in the presence of a clay powder. Alternatively, a magnetic metal powder is prepared by reducing a magnetic metal powder by wet reduction or by reducing a magnetic metal compound in a state mixed with a clay by dry reduction, and then the resulting powder is heat treated in the presence of the clay powder. The clay is typically kaolin.

REFERENCES:
patent: 1747854 (1930-02-01), Bozorth
patent: 1878589 (1932-09-01), Marris et al.
patent: 2351462 (1944-06-01), Trageser
patent: 3545959 (1970-12-01), Hougen et al.
patent: 3595640 (1971-07-01), Stone et al.
patent: 3902888 (1975-09-01), Aonuma et al.
patent: 4043846 (1977-08-01), Amemiya et al.
patent: 4207092 (1980-06-01), Berry

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