Mössbauer and X-ray studies of the kinetics of crystallization in glassy FeB alloys

M. W. Ruckman; R. A. Levy; A. Kessler; R. Hasegawa

doi:10.1016/0022-3093(80)90115-5

Mössbauer and X-ray studies of the kinetics of crystallization in glassy FeB alloys

M. W. Ruckman, R. A. Levy, A. Kessler, R. Hasegawa

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26 Scopus citations

Abstract

X-ray crystallography and Mössbauer spectroscopy were used to investigate the crystallization of the amorphous Fe_100-xB_x alloys, 14 ≤ x ≤ 20 annealed at 615 K. As a result of the heat treatment, the formation of crystalline α-Fe and Fe₃B were observed. Variations in the values of the isomer shift and the orientation of the axis of magnetization indicate changes in the iron-boron bonding and the local atomic arrangement. Formation of the α-Fe phase was determined as a function of boron concentration and annealing time. Crystallization rates of that phase were observed to be dependent on boron concentration and on the annealing time. The average hyperfine field of the untreated samples was observed to increase till x = 17 after which it decreased. This is explained in terms of the Invar behavior of Fe₈₃B₁₇. The anomalous crystallization of Fe₈₆B₁₄ is proposed to be due to the existence of interstitial-like boron sites in a near bcc short range atomic structure.

Original language	English (US)
Pages (from-to)	393-406
Number of pages	14
Journal	Journal of Non-Crystalline Solids
Volume	40
Issue number	1-3
DOIs	https://doi.org/10.1016/0022-3093(80)90115-5
State	Published - Jul 1980
Externally published	Yes

All Science Journal Classification (ASJC) codes

Electronic, Optical and Magnetic Materials
Ceramics and Composites
Condensed Matter Physics
Materials Chemistry

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10.1016/0022-3093(80)90115-5

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title = "M{\"o}ssbauer and X-ray studies of the kinetics of crystallization in glassy FeB alloys",

abstract = "X-ray crystallography and M{\"o}ssbauer spectroscopy were used to investigate the crystallization of the amorphous Fe100-xBx alloys, 14 ≤ x ≤ 20 annealed at 615 K. As a result of the heat treatment, the formation of crystalline α-Fe and Fe3B were observed. Variations in the values of the isomer shift and the orientation of the axis of magnetization indicate changes in the iron-boron bonding and the local atomic arrangement. Formation of the α-Fe phase was determined as a function of boron concentration and annealing time. Crystallization rates of that phase were observed to be dependent on boron concentration and on the annealing time. The average hyperfine field of the untreated samples was observed to increase till x = 17 after which it decreased. This is explained in terms of the Invar behavior of Fe83B17. The anomalous crystallization of Fe86B14 is proposed to be due to the existence of interstitial-like boron sites in a near bcc short range atomic structure.",

author = "Ruckman, {M. W.} and Levy, {R. A.} and A. Kessler and R. Hasegawa",

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AU - Ruckman, M. W.

AU - Levy, R. A.

AU - Kessler, A.

AU - Hasegawa, R.

PY - 1980/7

Y1 - 1980/7

N2 - X-ray crystallography and Mössbauer spectroscopy were used to investigate the crystallization of the amorphous Fe100-xBx alloys, 14 ≤ x ≤ 20 annealed at 615 K. As a result of the heat treatment, the formation of crystalline α-Fe and Fe3B were observed. Variations in the values of the isomer shift and the orientation of the axis of magnetization indicate changes in the iron-boron bonding and the local atomic arrangement. Formation of the α-Fe phase was determined as a function of boron concentration and annealing time. Crystallization rates of that phase were observed to be dependent on boron concentration and on the annealing time. The average hyperfine field of the untreated samples was observed to increase till x = 17 after which it decreased. This is explained in terms of the Invar behavior of Fe83B17. The anomalous crystallization of Fe86B14 is proposed to be due to the existence of interstitial-like boron sites in a near bcc short range atomic structure.

AB - X-ray crystallography and Mössbauer spectroscopy were used to investigate the crystallization of the amorphous Fe100-xBx alloys, 14 ≤ x ≤ 20 annealed at 615 K. As a result of the heat treatment, the formation of crystalline α-Fe and Fe3B were observed. Variations in the values of the isomer shift and the orientation of the axis of magnetization indicate changes in the iron-boron bonding and the local atomic arrangement. Formation of the α-Fe phase was determined as a function of boron concentration and annealing time. Crystallization rates of that phase were observed to be dependent on boron concentration and on the annealing time. The average hyperfine field of the untreated samples was observed to increase till x = 17 after which it decreased. This is explained in terms of the Invar behavior of Fe83B17. The anomalous crystallization of Fe86B14 is proposed to be due to the existence of interstitial-like boron sites in a near bcc short range atomic structure.

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ER -

Mössbauer and X-ray studies of the kinetics of crystallization in glassy FeB alloys

Abstract

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