Hard magnetic alloys of a transition metal and lanthanide

Details Hard magnetic alloys of a transition metal and lanthanide Hard magnetic alloys of a transition metal and lanthanide

1981-10-23

1983-09-06

Sheehan, John P.

Metal treatment

Compositions

Heat treating

420435, 75123B, 75123E, C04B 3500

Patent

active

044027702

ABSTRACT:
A hard magnetic alloy comprises iron, boron, lanthanum, and a lanthanide is prepared by heating the corresponding amorphous alloy to a temperature from about 850 to 1200 K. in an inert atmosphere until a polycrystalline multiphase alloy with an average grain size not exceeding 400 A is formed.

REFERENCES:
patent: 3982971 (1976-09-01), Yamanaka et al.
patent: 4065330 (1977-12-01), Masumoto et al.
patent: 4222770 (1980-09-01), Osumi et al.
Metallic Glasses, American Society for Metals 1978, pp. 6-9 and 31.

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