Composition for preparing rare earth-iron-boron-permanent magnet

Details Composition for preparing rare earth-iron-boron-permanent magnet Composition for preparing rare earth-iron-boron-permanent magnet

1988-06-03

1990-06-12

Morris, Theodore

Specialized metallurgical processes, compositions for use therei

Compositions

Loose particulate mixture containing metal particles

75254, 148302, H01F 109

Patent

active

049330098

ABSTRACT:
Permanent magnets are prepared by a method comprising mixing a particulate rare earth-iron-boron alloy with a particulate rare earth oxide, aligning the magnetic domains of the mixture, compacting the aligned mixture to form a shape, and sintering the compacted shape.

REFERENCES:
patent: 3887395 (1975-06-01), Martin
patent: 4133680 (1979-01-01), Babaskin et al.
patent: 4135953 (1979-01-01), Nagel et al.
patent: 4747874 (1988-05-01), Ghandehari
patent: 4769063 (1988-09-01), Ishigaki et al.
patent: 4770702 (1988-09-01), Ishigaki et al.
A. L. Robinson, "Powerful New Magnet Material Found", Science, vol. 223, pp. 920-922 (1984).
M. Sagawa, S. Fujimura, N. Togawa, H. Yamamoto, and Y. Matsuura, "New Material for Permanent Magnets on a Base of Nd and Fe", Journal of Applied Physics, vol. 55, pp. 2083-2087 (1984).
M. Sagawa, S. Fujimura, H. Yamamoto, Y. Matsuura, and K. Hiraga, "Permanent Magnet Materials Based on the Rare Earth-Iron-Boron Tetragonal Compounds", IEEE Transactions on Magnetics, vol. MAG-20, Sep. 1984, pp. 1584-1589.
C. Herget, "Metallurgical Ways to NdFeB Alloys. Permanent Magnets from Co-Reduced NdFeB", presented at the 8th International Workshop on Rare-Earth Magnets and their Applications, Dayton, Ohio, May 6-8, 1985.

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