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Crystallization Process of Fe73.5Cu1Nb3Si13.5B9

Published online by Cambridge University Press:  25 February 2011

H. Nakabayasiii ,
M. Doi ,
M. Matsui  and
M. Doyama
H. Nakabayasiii
Affiliation:
Nagoya Univ., Dept. of Materials Science and Engineering, Nagoya 464-01, Japan
M. Doi
Affiliation:
Nagoya Univ., Dept. of Materials Science and Engineering, Nagoya 464-01, Japan
M. Matsui
Affiliation:
Nagoya Univ., Dept. of Materials Science and Engineering, Nagoya 464-01, Japan
M. Doyama
Affiliation:
The Nishi-Tokyo Univ., Dept. of Materials Science and Engineering, Yamanashi 409-01, Japan
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Abstract

To clarify the relation between high magnetic permeability and magnetic phases of Fe73.5Cu1Nb3Si13.5B9 ribbons, the process of precipitation was investigated by using the Xray diffraction, DTA, VSM and the Mössbauer spectra at various annealing temperatures. The volume fraction of each magnetic phase was estimated. The sample annealed at 853K which shows maximum permeability is composed of partially ordered Fe3Si(70%), Fe(B) solid solution(10%) and amorphous(20%) phases. The relative permeability of the sample annealed below 853K increases with increasing the volume fraction of both of the Fe3Si partially ordered and the Fe(B) solid solution phases. The relationship between tile permeability and the volume fraction is interpreted by the random anisotropy model.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 286: Symposium J – Nanophase and Nanocomposite Materials , 1992 , 227
Copyright
Copyright © Materials Research Society 1993

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References

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