Ferromagnetic metal powder

Details Ferromagnetic metal powder Ferromagnetic metal powder

1988-09-02

1990-04-24

Zimmerman, John J.

Stock material or miscellaneous articles

All metal or with adjacent metals

Composite powder

148105, H01F 111

Patent

active

049200100

ABSTRACT:
A ferromagnetic metal powder comprises a ferromagnetic metal particle composed mainly of iron, a silicon compound layer formed on the surface of the ferromagnetic metal particle in such an amount that the amount of silicon is 0.1 to 1% by weight based on iron in the ferromagnetic metal particle, and a layer containing a nonferrous transition metal element compound in an amount of from 2 to 15% by weight based on the weight of iron in said ferromagnetic particle which is formed on the silicon compound layer.

REFERENCES:
patent: 3718594 (1973-02-01), Miller
patent: 4501610 (1985-02-01), Yazu et al.
patent: 4576635 (1986-03-01), Araki et al.
patent: 4608093 (1986-08-01), Umemura et al.

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