日本金属学会誌

J. Japan Inst. Metals, Vol. 40, No. 11 (1976),
pp. 1111-1116

Magnetic Aftereffect on Spinodal Type of Permanent Magnet Alloys

Toshinobu Miyamoto1

1Research & Development, Sumitomo Special Metals Co., Ltd., Osaka

Abstract:

Magnetic aftereffect was investigated for semi-columnar Alnico 5, columnar Alnico 5, columnar Alnico 8 and anisotropic Fe-Cr-Co alloys by a nuclear magnetic resonance method. The magnitude of the aftereffect was expressed by the amount of specific loss in remanent magnetic induction during one decade of time S10. The referring time was taken at 10 sec after magnetizing. The magnetic aftereffect depends on the operating point, the temperature and the pre-stabilization by a DC pulse field. These results were compared with N´eel's theory on the aftereffect.


(Received 1975/11/10)

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