Method of preventing deterioration of characteristics of ferroma

Details Method of preventing deterioration of characteristics of ferroma Method of preventing deterioration of characteristics of ferroma

1976-11-22

1978-09-12

Stallard, W.

Metal treatment

Process of modifying or maintaining internal physical...

Magnetic materials

75 05AA, 148108, 252 6254, 252 6255, H01F 109

Patent

active

041135288

ABSTRACT:
Ferromagnetic metal or alloy particles are prepared by reducing ferromagnetic metal ions in the solution with a reducing agent under a magnetic field to obtain a slurry of ferromagnetic metal or alloy particles and adding an oxidizing agent to an aqueous slurry containing the ferromagnetic metal or alloy particles to prevent deterioration of magnetic characteristics.

REFERENCES:
patent: 3206338 (1965-09-01), Miller et al.
patent: 3520676 (1970-07-01), Stahr et al.
patent: 3782706 (1974-01-01), Muhlpfordt
patent: 3837912 (1974-09-01), Roden
patent: 3865627 (1975-02-01), Roden et al.
patent: 3954520 (1976-05-01), Beaulieu et al.
patent: 3966510 (1976-06-01), Aonuma et al.
Latimer; W. et al., Reference Book of Inorganic Chemistry, New York, 1951, p. 374.

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