Rare earth-iron-boron permanent magnets with enhanced coercivity

Details Rare earth-iron-boron permanent magnets with enhanced coercivity Rare earth-iron-boron permanent magnets with enhanced coercivity

1986-05-30

1988-05-31

Sheehan, John P.

Specialized metallurgical processes, compositions for use therei

Compositions

Loose particulate mixture containing metal particles

75254, B22F 100

Patent

active

047478748

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

REFERENCES:
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, pp. 407 to 422.

Affiliated with

Also associated with

Rating

Rare earth-iron-boron permanent magnets with enhanced coercivity does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Rare earth-iron-boron permanent magnets with enhanced coercivity, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Rare earth-iron-boron permanent magnets with enhanced coercivity will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-1872227