Composition for permanent magnets of the family "rare earths-tra

Details Composition for permanent magnets of the family "rare earths-tra Composition for permanent magnets of the family "rare earths-tra

1975-08-14

1977-01-11

Satterfield, Walter R.

Metal treatment

Compositions

Heat treating

75152, 75200, 75224, 148101, 148103, 148105, H01F 104

Patent

active

040025080

ABSTRACT:
The present invention relates to a composition for permanent magnets of the family "rare earths-transition metals" wherein in a structure of the SmCo.sub.5 type, 2 to 15% of the cobalt atoms are replaced by nickel.
This can be applied to the production by the sintered powder technique of permanent magnets having a particularly high intrinsic coercivity.

REFERENCES:
patent: 3546030 (1970-12-01), Buschow et al.
patent: 3844851 (1974-10-01), Haberer
patent: 3873379 (1975-03-01), Yamakawa et al.
Narasimhan, R; et al.; Magnetic Properties of RT.sub.x.sub.- 1 Ni.sub.x, in J. Appl. Phys., 44, Feb. 1973, pp. 879-882.
Nassau, K; et al.; Intermetallic Compounds . . . Lanthanons and Transition Metals, in J. Phys. Chem. Soc., 16, 1960, pp. 123-130.

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