Method of preparing ferromagnetic material

Details Method of preparing ferromagnetic material Method of preparing ferromagnetic material

1975-01-27

1976-07-06

Satterfield, Walter R.

Metal treatment

Process of modifying or maintaining internal physical...

Magnetic materials

34168, 75 5AA, 75 5BA, H01F 102

Patent

active

039679861

ABSTRACT:
A method of preparing iron powder for recording in which iron oxide hydrate powder is reduced by flowing hydrogen in intimate contact with the iron oxide hydrate powder, preferrably in a fluidized bed.

REFERENCES:
patent: 2730441 (1956-01-01), Crowley
patent: 3598568 (1971-08-01), Klomp et al.
patent: 3837839 (1974-09-01), Rau et al.

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