Hot pressed magnets formed from anisotropic powders

Details Hot pressed magnets formed from anisotropic powders Hot pressed magnets formed from anisotropic powders

H - Electricity

01

F

H01F 1/053 (2006.01) B22F 3/14 (2006.01) H01F 1/057 (2006.01) H01F 41/02 (2006.01)

Patent

CA 2098553

HOT PRESSED MAGNETS FORMED FROM ANISOTROPIC POWDERS Abstract of the Disclosure A method is provided for forming a high energy product, anisotropic, hot pressed iron-rare earth metal permanent magnet without the requirement for magnetic alignment during pressing or additional hot working steps. The method of this invention includes providing a quantity of anisotropic iron-rare earth metal particles and hot pressing the particles soas to form a substantially anisotropic permanent magnet. The pressed permanent magnet of this invention permits a greater variety of shapes as compared to conventional hot worked anisotropic permanent magnets. As a result, the magnetic properties and shape of the permanent magnet of this invention can be tailored to meet the particular needs of a given application.

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