Acicular metallic powders produced from the organometallic salts

Details Acicular metallic powders produced from the organometallic salts Acicular metallic powders produced from the organometallic salts

1975-07-11

1977-01-25

Steiner, Arthur J.

Specialized metallurgical processes, compositions for use therei

Processes

Electrothermic processes

75 5A, 148105, C22B 2304

Patent

active

040049175

ABSTRACT:
Improved processes and products based on the discovery that metal atoms in complex relationship with complexing agents can be used to moderate the formation of organic salt seed crystals which promote an exceptionally well-ordered acicular growth of organometallic salts such as oxalates of the metal. Some acicular, i.e. needle-like, products have particular utility for being reduced to ferromagnetic metal particles which retain a surprisingly large degree of acicularity and possess extraordinarily favorable properties for use in magnetic recording applications.

REFERENCES:
patent: 3574685 (1971-04-01), Haines
patent: 3607218 (1971-09-01), Akashi
patent: 3803191 (1974-04-01), Ehrreich
patent: 3902888 (1975-09-01), Aonuma et al.

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