Anisotropic permanent magnet of Mn-Al-C alloy

Details Anisotropic permanent magnet of Mn-Al-C alloy Anisotropic permanent magnet of Mn-Al-C alloy

1976-06-01

1977-05-17

Satterfield, Walter R.

Metal treatment

Process of modifying or maintaining internal physical...

Magnetic materials

75134M, 148 3157, 148121, H01F 100, C22C 2800

Patent

active

040239918

ABSTRACT:
An anisotropic permanent magnet of an Mn-Al-C alloy containing 68.0% to 73.0% by weight of manganese, (1/10Mn-6.6)% to (1/3Mn-22.2)% by weight of carbon, and the remainder aluminum, which alloy is rendered anisotropic by deforming it plastically at a temperature of 530.degree. to 830.degree. C.
The permanent magnet has excellent mechanical characteristics and magnetic properties such that the (BH) max is above 4.8 .times. 10.sup.6 G.Oe up to about 9.2 .times. 10.sup.6 G.Oe in its bulk state.

REFERENCES:
patent: 3116181 (1963-12-01), Hokkeling
patent: 3661567 (1972-05-01), Yamamoto
patent: 3730784 (1973-05-01), Yamamoto
patent: 3976519 (1976-08-01), Kubo et al.

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