Permanent magnet

Details Permanent magnet Permanent magnet

1974-11-04

1976-12-14

Satterfield, Walter R.

Metal treatment

Compositions

Heat treating

75152, 148103, 148105, H01F 104

Patent

active

039973719

ABSTRACT:
A permanent magnet made of a sintered product consisting essentially of a cobalt-samarium-heavy rare earth elements alloy having a lower reversible magnetization temperature coefficient than that of a cobalt-samarium alloy.

REFERENCES:
patent: 3424578 (1969-01-01), Strnat et al.
patent: 3546030 (1970-12-01), Buschow et al.
patent: 3655463 (1972-04-01), Benz
patent: 3682714 (1972-08-01), Martin et al.
patent: 3682716 (1972-08-01), Martin et al.
patent: 3684591 (1972-08-01), Martin et al.
patent: 3901741 (1975-08-01), Benz et al.
Strnat, K; Co-Re Alloys as Perm. Mag. Materials, in Cobalt, 36, Sept. 1967, p. 137 (compositions of meshmetals).
Velge, W., et al; Perm. Mag. Prop. of Rare Earth Cobalt Compounds, in I.E.E.E. Trans. Mag. Mar. 1967 pp. 45-48.
Nesbitt, E., et al; Cast Perm. Mag. Co.sub.5 Re Type with Mixtures of Cerium & Samarium, in J. Appl. Phys., 42, Mar. 1971.
Buschow, K., et al; Perm. Mag. Mtl's of Rare-Earth Cobalt Compounds, in Zeit. Fur Ange. Physik, 26, 1969 pp. 157-160.

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