Acicular, ferromagnetic metal particles essentially consisting o

Details Acicular, ferromagnetic metal particles essentially consisting o Acicular, ferromagnetic metal particles essentially consisting o

1988-12-14

1990-10-02

Morris, Theodore

Specialized metallurgical processes, compositions for use therei

Compositions

Loose particulate mixture containing metal particles

148307, 148310, H01F 1047

Patent

active

049604627

ABSTRACT:
Acicular, ferromagnetic metal particles which essentially consist of iron and have a nickel content of not more than 0.4% by weight and high values for coercive force and magnetization, and a process for the preparation of these particles. The particles further include zinc, phosphorus in the form of phosphate ions, and silicon in the form of SiO.sub.2.

REFERENCES:
patent: 4469507 (1984-09-01), Sekiguchi et al.
patent: 4481253 (1984-11-01), Matsufuji et al.

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