Fine particles of ferromagnetic metal and process for producing

Details Fine particles of ferromagnetic metal and process for producing Fine particles of ferromagnetic metal and process for producing

1984-02-23

1985-02-26

Stallard, W.

Specialized metallurgical processes, compositions for use therei

Processes

Electrothermic processes

148105, H01F 106, H01F 133

Patent

active

045016100

ABSTRACT:
Improved acicular fine particles of ferromagnetic metal having superior powder characteristics and tape characteristics are provided, which fine particles are prepared by adding to an aqueous suspension of acicular iron oxide or oxyhydroxide, a solution of a different kind and non-alkali metal salt of an organic acid in place of conventional inorganic acids, followed by making the mixture basic and heat reduction.

REFERENCES:
patent: 4069073 (1978-01-01), Tadokoro et al.
patent: 4295879 (1981-10-01), Steck et al.
patent: 4344791 (1982-08-01), Steck et al.
patent: 4384892 (1983-05-01), Suzuki et al.

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