Production of fine grained ferrite bodies

Details Production of fine grained ferrite bodies Production of fine grained ferrite bodies

1973-01-23

1976-05-11

Arnold, Donald J.

Plastic and nonmetallic article shaping or treating: processes

Pore forming in situ

By mechanically introducing gas into material

252 6256, 252 6257, 264 61, 264 65, 264 66, 264DIG58, C01g 4908, C04b 3540

Patent

active

039564401

ABSTRACT:
The small dimension (inferior to one micrometer) of the grains of oxydes obtained by chemical precipitation is retained during the processing of the ferrimagnetic part through precise stoichiometry, cold isostatic pressing and sintering under vacuum at a temperature below 1400.degree.C and for a duration shorter than 4 hours.

REFERENCES:
patent: 3039963 (1962-06-01), MacCallum
patent: 3751366 (1973-08-01), Bomar et al.
Harvey et al.; RCA Review, Sept. 1950, pp. 344-349.

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