Process for producing acicular magnetic metallic particle powder

Details Process for producing acicular magnetic metallic particle powder Process for producing acicular magnetic metallic particle powder

1977-03-31

1979-01-09

Vertiz, O. R.

Specialized metallurgical processes, compositions for use therei

Processes

Electrothermic processes

148105, 423633, C22C 104

Patent

active

041336771

ABSTRACT:
The process for producing acicular magnetic metallic particle powder with improved magnetic properties which include the characteristic steps for producing the acicular particles of metal oxide with homogeneous and dense coats of crystalline silica and to thereby protect the particles from heat-damages during the reduction thereof under high temperatures.

REFERENCES:
patent: 3370971 (1968-02-01), Linton
patent: 3702270 (1972-11-01), Kawasaki et al.
patent: 3843349 (1974-10-01), Ehrreich et al.
patent: 3912646 (1975-10-01), Leitner et al.
patent: 3947502 (1976-03-01), Leitner et al.
patent: 3956005 (1976-05-01), Sugahara et al.
patent: 4043846 (1977-08-01), Amemiya et al.

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