Process and apparatus for production of spherical grain ferrite

Details Process and apparatus for production of spherical grain ferrite Process and apparatus for production of spherical grain ferrite

1979-03-30

1980-10-07

Carter, Herbert T.

Chemistry of inorganic compounds

Oxygen or compound thereof

Metal containing

252 6256, 252 626, 252 6262, 252 6263, 252 6264, C01G 4900

Patent

active

042268435

ABSTRACT:
There is disclosed a novel type of spherical grain-ferrite powder as well as a process and apparatus for the production thereof. A slurry of ferrite-forming powdered raw materials in alcohol is sprayed under applied pressure through a spray nozzle into a high temperature atmosphere of between 700.degree.-1500.degree. C. to allow the combustion of sprayed alcohol therein thereby instantaneously producing spherical grain-ferrite powder.

REFERENCES:
patent: 3378335 (1968-04-01), Ellis et al.
patent: 3542685 (1970-11-01), Iwase et al.
patent: 3896216 (1975-02-01), Fagherozzi et al.
patent: 4042518 (1977-08-01), Jones
Economos "Journal of The American Ceramic Soc." vol. 38, 1955, pp. 241-244.

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