Method for producing polymer-bonded magnets from rare earth-iron

Details Method for producing polymer-bonded magnets from rare earth-iron Method for producing polymer-bonded magnets from rare earth-iron

1987-11-02

1989-05-30

Rutledge, L. Dewayne

Metal treatment

Process of modifying or maintaining internal physical...

Magnetic materials

148103, 148105, 148302, H01F 106

Patent

active

048348120

ABSTRACT:
Permanent magnets are prepared by a method comprising mixing a particulate rare earth-iron-boron alloy with a particulate additive metal powder, compacting the aligned mixture to form a shape, and heating the compacted shape at a temperature at least 150.degree. C. less than the sintering temperature of a rare earth-iron-boron alloy and usually in the range from about 700.degree. C. to less than 850.degree. C.

REFERENCES:
patent: 4747874 (1988-05-01), Ghandehari

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