Metal treatment – Process of modifying or maintaining internal physical... – Magnetic materials
Patent
1988-02-23
1991-01-15
Sheehan, John P.
Metal treatment
Process of modifying or maintaining internal physical...
Magnetic materials
419 12, 419 67, 419 41, 722531, 72700, B22F 300
Patent
active
049850857
ABSTRACT:
A process making anisotropic permanent magnets by extruding a neodymium-iron-boron alloy having a grain size of from 500.ANG. to 2000.ANG.at a temperature less than the melting temperature of the alloy at an extrusion ratio of from 10:1 to 26:1.
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"NdFeB Magnets Having a (100) Fiber Texture", B. M. Ma, R. F. Krause and V. K. Chandhok, Proceedings of the 9th International Workshop on Rare Earth Magnets and Their Application, Bad Soden, FRG, Aug. 31-Sept. 2, 1987-pp. 545-551.
"Radially Oriented NdFeB Magnets", Bao-Min Ma, V. K. Chandhok, and E. J. Dulis-1987 Digest of Intermag Conference, Tokyo, Japan, Apr. 14-17, 1987.
Eastman Kodak Company
Gerlach Robert A.
Sheehan John P.
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