Rare-earth element/cobalt type magnet powder for resin magnets

Details Rare-earth element/cobalt type magnet powder for resin magnets Rare-earth element/cobalt type magnet powder for resin magnets

1988-07-13

1989-09-12

Sheehan, John P.

Metal treatment

Stock

Magnetic

148104, H01F 104

Patent

active

048656607

ABSTRACT:
Magnetic powder of the samarium/praseodymium/cobalt type and of the samarium/praseodymium
eodymium/cobalt type having specific compositions is substantially composed of (1-5) single phase, has improved residual magnetic flux density and a high maximum energy product, and is hence suitable for resin magnets. In addition, production cost is lower compared with conventional rare-earth metal/cobalt type magnet powder because part of samarium metal has been replaced by praseodymium and neodymium which are more abundant and less expensive materials.

REFERENCES:
patent: 3682714 (1972-08-01), Martin
patent: 3933536 (1976-01-01), Doser
patent: 3985588 (1976-10-01), Lyman
patent: 4003767 (1977-01-01), Bachmann et al.
patent: 4090892 (1978-05-01), Klein et al.
patent: 4144105 (1979-03-01), Gaiffi et al.

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