Preparation of acicular ferromagnetic metal particles consisting

Details Preparation of acicular ferromagnetic metal particles consisting Preparation of acicular ferromagnetic metal particles consisting

1986-04-29

1988-03-08

Sheehan, John P.

Specialized metallurgical processes, compositions for use therei

Processes

Electrothermic processes

75 05BA, C22C 104

Patent

active

047297859

ABSTRACT:
Acicular metal particles consisting essentially of iron are prepared by reducing .alpha.-iron(III) oxide obtained--by dehydration--from acicular iron(III) oxide hydroxide prepared in the presence of phosphate ions and having a shape-stabilizing surface coating.

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Derwent Abstract of Japanese document No. 52-153198, 12/20/77 (published application No. 51-070231).
Derwent Abstract of Japanese document No. 52-121,799, Oct. 13, 1977 (application No. 51-039027).

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