Method of manufacturing magnetic powder

Details Method of manufacturing magnetic powder Method of manufacturing magnetic powder

1980-05-06

1981-12-01

Pianalto, Bernard D.

Coating processes

Magnetic base or coating

Magnetic coating

427127, 427128, B05D 512

Patent

active

043036996

ABSTRACT:
A method of manufacturing magnetic power is disclosed which includes the steps of mixing acicular magnetic iron oxide powders and metallic cobalt in aqueous solution containing an alkali hydroxide and keeping the solution at an elevated temperature during the mixing step to cause deposition of cobalt and/or a cobalt compound on the surface of the iron oxide powders.

REFERENCES:
patent: 4125474 (1978-11-01), Dezawa et al.

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