Alloy preparation for permanent magnets

Details Alloy preparation for permanent magnets Alloy preparation for permanent magnets

1981-08-05

1983-05-03

Sheehan, John P.

Alloys or metallic compositions

Cobalt base

148 3157, 148425, 420416, C22C 1900

Patent

active

043820611

ABSTRACT:
This invention relates to an alloy suitable for the production of permanent magnets and based on a cobalt/rare earth metal alloy in the atomic ratio of 5:1 to 7:2, where the rare earth metal component is composed of about 40 to 60 atomic percent of samarium, about 15 to 30 atomic percent of lanthanum, about 15 to 30 atomic percent of neodymium, and the remainder is a content of other rare earth metals resulting from preparation.

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patent: 3682714 (1972-08-01), Martin
patent: 3682715 (1972-08-01), Martin
patent: 3682716 (1972-08-01), Martin et al.
patent: 3684591 (1972-08-01), Martin
patent: 3873379 (1975-03-01), Yamakawa et al.
patent: 4087291 (1978-05-01), Gaiffi et al.
patent: 4090892 (1978-05-01), Klein et al.
patent: 4131495 (1978-12-01), Menth et al.
patent: 4144105 (1979-03-01), Gaiffi et al.
patent: 4192696 (1980-03-01), Menth et al.

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