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Hyperfine structure changes in iron-base amorphous alloys produced by high current density electropulsing

Published online by Cambridge University Press:  03 March 2011

Z.H. Lai ,
Y.S. Chao ,
H. Conrad  and
K. Chu
Z.H. Lai
Affiliation:
Department of Physics, Northeastern University, Shenyang 110006, People's Republic of China
Y.S. Chao
Affiliation:
Department of Physics, Northeastern University, Shenyang 110006, People's Republic of China
H. Conrad
Affiliation:
Department of Materials Science and Engineering. North Carolina State University, Raleigh, North Carolina 27695-7907
K. Chu
Affiliation:
Department of Physics, Northeastern University, Shenyang 110006, People's Republic of China
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Abstract

The effects of high current density electropulsing on the hyperfine structure of amorphous alloys Fe73Si9.5B17.5, Fe75Si10B15, and Fe79Si7B14 were investigated by Mössbauer spectroscopy. Electropulsing influenced the microstructure at a temperature well below the bulk crystallization temperature. In the alloy having least boron (or highest concentration of Fe), α-Fe particles ≃3 nm in size precipitated from the amorphous matrix, giving a change in internal magnetic field.

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Type
Articles
Information
Journal of Materials Research , Volume 10 , Issue 4 , April 1995 , pp. 900 - 906
Copyright
Copyright © Materials Research Society 1995

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References

REFERENCES

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