Specialized metallurgical processes – compositions for use therei – Compositions – Consolidated metal powder compositions
Patent
1989-05-30
1990-05-29
Lechert, Jr., Stephen J.
Specialized metallurgical processes, compositions for use therei
Compositions
Consolidated metal powder compositions
75245, 148301, 148401, 148306, 148312, 148313, 148314, 420 1, 420 2, 420 4, B22F 100
Patent
active
049292757
ABSTRACT:
This invention relates to novel permanent magnet alloy compositions and high energy permanent magnets comprising from about 0.5 to about 27 atomic percent R wherein R is at least one rare earth element including Y and Sc, from about 0.1 to about 53 atomic percent A wherein A is at least one actinide element, and the balance being at least one metal wherein at least about 50 weight percent of the balance is at least one metal selected from the group consisting of Fe, Co, Ni, and Mn. Preferably, R is from about 12 to about 18 atomic percent and R is a rare earth element selected from the group consisting of Sm, Nd, Pr, and Dy. It is also preferred that A is from about 1.5 to about 5.1 atomic percent and A is an actinide element selected from the group consisting of Ac, Th, Pa and U. The balance is preferably at least about 90 weight percent of Fe and/or Co, and further comprises from about 0.1 to about 10 weight percent of Zr and/or Cu.
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Bhat Nina
Dee James D.
Lechert Jr. Stephen J.
Nerenberg Aaron
SPS Technologies, Inc.
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