Rare earth magnet of high electrical resistance and production m

Details Rare earth magnet of high electrical resistance and production m Rare earth magnet of high electrical resistance and production m

1996-10-30

1999-01-12

Sheehan, John

Metal treatment

Stock

Magnetic

148301, 148104, 148101, 95230, 95232, 419 10, 419 12, 419 19, H01F 1055, H01F 1057

Patent

active

058581243

ABSTRACT:
A high-resistance rare earth magnet having a metal structure in which a rare earth magnet phase is dispersed throughout a compound phase comprising at least one compound selected from the group consisting of fluorides and oxides of Li, Na, Mg, Ca, Ba and Sr. The fluorides and oxides are effective for increasing the electrical resistance of a rare earth magnet to a level sufficient for practical use while maintaining high magnetic properties of the magnet.

REFERENCES:
patent: 4601754 (1986-07-01), Ghandehari
patent: 4891078 (1990-01-01), Ghandehari
patent: 4983231 (1991-01-01), Yamanka et al.

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