Metal treatment – Stock – Magnetic
Patent
1988-04-04
1990-09-04
Sheehan, John P.
Metal treatment
Stock
Magnetic
420 83, 420121, 148103, 148104, H01F 104
Patent
active
049541862
ABSTRACT:
Permanent magnets are prepared by a method comprising mixing a particular 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:
patent: 4597938 (1986-07-01), Matsuura et al.
patent: 4601875 (1986-07-01), Yamamoto et al.
patent: 4627959 (1986-12-01), Gilman et al.
patent: 4834812 (1989-05-01), Ghandehari
patent: 4878958 (1989-11-01), Ghandehari
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.
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. Matsurra "New Material for Permanent Magnets on a Base of Nd and Fe," Journal of Applied Physics, vol. 5, 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.
Sheehan John P.
Thompson Alan H.
Union Oil Company of California
Wirzbicki Gregory F.
LandOfFree
Rear earth-iron-boron permanent magnets containing aluminum does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Rear earth-iron-boron permanent magnets containing aluminum, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Rear earth-iron-boron permanent magnets containing aluminum will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-439546