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Magnetic Properties of Nanocrystalline Fe-Based Soft Magnetic Alloys

Published online by Cambridge University Press:  15 February 2011

Yoshihito Yoshizawa  and
Kiyotaka Yamauchi
Yoshihito Yoshizawa
Affiliation:
Magnetic & Electronic Materials Research Laboratory, Hitachi Metals, Ltd., 5200 Mikajiri, Kumagaya-shi, Saitama-ken 360, Japan
Kiyotaka Yamauchi
Affiliation:
Magnetic & Electronic Materials Research Laboratory, Hitachi Metals, Ltd., 5200 Mikajiri, Kumagaya-shi, Saitama-ken 360, Japan
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Abstract

Magnetic properties of nanocrystalline alloys produced by crystallization of Fe-Cu-Nb-Si-B amorphous alloys have been investigated. The best result is obtained at the annealing conditions where the main phase is bcc and it is very important to suppress the formation of Fe-B compounds with large magnetocrystalline anisotropy. Homogeneous and ultrafine grain structure has an important effect to improve the magnetic properties. Conclusively, soft magnetic properties of nanocrystalline alloys are related to various factors such as formed phases, ratio of amorphous phase, intrinsic magnetocrystalline anisotropy and magnetic interaction from grain boundary phase.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 232: Symposium T – Magnetic Materials: Microstructure and Properties , 1991 , 183
Copyright
Copyright © Materials Research Society 1991

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References

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