Method and particle mixture for making rare earth element, iron

Details Method and particle mixture for making rare earth element, iron Method and particle mixture for making rare earth element, iron

1990-11-20

1992-02-25

Sheehan, John P.

Metal treatment

Process of modifying or maintaining internal physical...

Magnetic materials

148103, 148104, 419 12, 419 19, 419 20, 419 32, 419 33, H01F 102

Patent

active

050910205

ABSTRACT:
A method for making rare earth element, iron and boron sintered permanent magnets, and a particle mixture for use therein. A hydrided 100% dross or particle mixture of virgin alloy particles and scrap alloy particles and/or dross alloy particles are dehydrided and sintered to produce a substantially fully dense article for use as a permanent magnet.

REFERENCES:
patent: 4853045 (1989-08-01), Rozendaal
patent: 4857118 (1989-08-01), Van Mens

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