Method of making fully dense anisotropic high energy magnets

Details Method of making fully dense anisotropic high energy magnets Method of making fully dense anisotropic high energy magnets

1988-02-23

1990-01-09

Sheehan, John P.

Metal treatment

Process of modifying or maintaining internal physical...

Magnetic materials

148101, 722531, 72700, 419 12, 419 41, 419 67, H01F 102

Patent

active

048925969

ABSTRACT:
A method of making anisotropic permanent magnets by extruding a rare earth magnetic alloy together with an oxygen-getter material at a temperature below the melting point 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. Chandhok, Proceedings of the 9th International Workshop on Rare Earth Magnets and Their Application, Bad Soden, FRG, Aug. 31--Sep. 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.

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