Rare earth metal-cobalt permanent magnet alloy

Details Rare earth metal-cobalt permanent magnet alloy Rare earth metal-cobalt permanent magnet alloy

1977-06-20

1981-08-18

Lewis, Michael L.

Metal treatment

Compositions

Heat treating

H01F 104, H01F 114

Patent

active

042844401

ABSTRACT:
A permanent magnet alloy made by adding one or more of Si, Ti, Zr, V, Nb, Cr, and Mo to a known permanent magnet alloy containing rare earth metals, Co, Fe, and Cu. By adding such additives, the amount of substitution of copper required for full precipitation hardening is reduced in the alloy of the present invention for the improvement in magnetic characteristics and thermal stability.

REFERENCES:
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patent: 4131495 (1978-12-01), Menth et al.
patent: 4135953 (1979-01-01), Nagel et al.
patent: 4210471 (1980-07-01), Yoneyama et al.
patent: 4211585 (1980-07-01), Inomata et al.
patent: 4213802 (1980-07-01), Rothwarf et al.
patent: 4213803 (1980-07-01), Yoneyama et al.

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