Non-sintered permanent magnet of substantially...

Details Non-sintered permanent magnet of substantially... Non-sintered permanent magnet of substantially...

H - Electricity

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H01F 1/06 (2006.01) B22F 1/02 (2006.01) H01F 1/055 (2006.01) H01F 1/057 (2006.01) H01F 1/08 (2006.01)

Patent

CA 1311667

ABSTRACT OF THE DISCLOSURE A non-sintered permanent magnet is formed by a cold compacting technique or by resin bonding using particles of a stoichiometric alloy (eg R2Fe14B where R is at least one rare earth and/or yttrium, particularly La, Ce, Pr, Nd or Y or a mixture thereof) which have been coated with a reaction product of the alloy or a non-magnetic metal such as Sn, Ga, Zn, Al, or Cu. The use of a stoichiometric alloy avoids the presence of a reactive grain boundary phase normally present in non-stoichiometric alloys.

563023

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