Method of making boron containing strontium ferrite

Details Method of making boron containing strontium ferrite Method of making boron containing strontium ferrite

1976-12-03

1978-09-26

Cooper, Jack

Plastic and nonmetallic article shaping or treating: processes

Including step of generating heat by friction

264 66, 252 6258, 252 6263, C04B 3526, C04B 3564

Patent

active

041170580

ABSTRACT:
An energy-saving method of making boron-containing strontium ferrite magnets. A water-insoluble source of boron oxide, such as ferro-boron, is used as the boron source in the reactant mixture, along with other water-insoluble reactants. The ferrite reactants are dispersed in a water slurry and milled prior to calcining, without concurrently dissolving the source of boron oxide. Accordingly, flash drying of the slurry before calcining is unnecessary. Reactants and water are mechanically separated after milling, leaving a residue stoichiometrically corresponding to the desired composition. Hence, energy and natural gas are conserved. The residue can then be calcined and further processed in any convenient manner.

REFERENCES:
patent: 1964139 (1934-06-01), Pokormy et al.
patent: 2768427 (1956-10-01), Frehn
patent: 2854412 (1958-09-01), Brockman et al.
patent: 2920958 (1960-01-01), Bergh
patent: 2960470 (1960-11-01), Loosjes et al.
patent: 3469053 (1969-09-01), Levinson
patent: 3585258 (1971-06-01), Levinson
patent: 3701872 (1972-10-01), Levinson
patent: 3731037 (1973-05-01), Levinson
patent: 3855374 (1974-12-01), Brailowsky
patent: 3897355 (1975-07-01), Arendt et al.
Fresh "Proceedings of the IRE" , pp, 1303-1311, (Oct. 1956).
Allen "Ceramic Industries" , pp. 43-45, (Mar. 1970).

Affiliated with

Also associated with

Rating

Method of making boron containing strontium ferrite does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Method of making boron containing strontium ferrite, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Method of making boron containing strontium ferrite will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-2089835