Crystallization of Fe75Zr25 metallic glass: a two-step process involving metastable bcc-Fe and polymorphic transformation

被引：19

作者：

Gorria, Pedro ^{[1
]}

Garitaonandia, Joseba S. ^{[2
]}

Perez, Maria J. ^{[1
]}

Blanco, Jesus A. ^{[1
]}

Campo, Javier ^{[3
,4
]}

机构：

[1] Univ Oviedo, Dept Fis, E-33007 Oviedo, Spain

[2] Univ Basque Country, Dept Fis Aplicada 2, Bilbao 48080, Spain

[3] Univ Zaragoza, CSIC, Inst Ciencia Mat Aragon, E-50009 Zaragoza, Spain

[4] Inst Max Von Laue Paul Langevin, F-38042 Grenoble, France

来源：

PHYSICA STATUS SOLIDI-RAPID RESEARCH LETTERS | 2009年 / 3卷 / 01期

关键词：

NEUTRON THERMO-DIFFRACTOMETRY; AMORPHOUS-ALLOYS; MAGNETIZATION; MOSSBAUER; ZR;

D O I：

10.1002/pssr.200802241

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

The crystallization process of mechanically alloyed Fe75Zr25 metallic glasses is investigated by means of both thermo-magnetization and in situ neutron powder thermo-diffraction experiments in the temperature range 300-1073 K. It was found that the crystallization takes place in a two-step process, involving firstly the appearance of metastable Fe and Fe2Zr crystalline phases between 880 K and 980 K, and a subsequent polymorphic transformation into Fe3Zr above 980 K. These findings explain the anomalous magnetization vs. temperature behaviour on heating-cooling cycles. [GRAPHICS] Contour plot of the neutron diffracted intensity (lambda = 1.28 angstrom) as a function of the Bragg diffraction angle and the temperature, (C) 2009 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim

引用

页码：28 / 30

页数：3

共 13 条

[1] Mossbauer study of the crystallization products of a Fe75Zr25 amorphous alloy
Garitaonandia, J. S.
Suzuki, K.
Cashion, J. D.
Goikolea, E.
Insausti, M.
Plazaola, F.
Pizarro, R.
Gorria, P.
Minguez, P.
HYPERFINE INTERACTIONS, 2005, 165 (1-4): : 161 - 165
[2] Mössbauer study of the crystallization products of a Fe75Zr25 amorphous alloy
J. S. Garitaonandia
K. Suzuki
J. D. Cashion
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M. Insausti
F. Plazaola
R. Pizarro
P. Gorria
P. Minguez
Hyperfine Interactions, 2005, 165 : 161 - 165
[3] Crystallization kinetics of Zr60Cu25Fe5Al10 bulk metallic glass
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Chen, Z. H.
Zhao, X.
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[5] Cu-alloying effect on crystallization kinetics of Ti41Zr25Be28Fe6 bulk metallic glass
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[6] Non-isothermal crystallization kinetics and glass-forming ability of Ti41Zr25Be28Fe6 bulk metallic glass investigated by differential scanning calorimetry
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[7] Non-isothermal crystallization kinetics and glass-forming ability of Ti41Zr25Be28Fe6 bulk metallic glass investigated by differential scanning calorimetry
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[8] Thermal behavior and non-isothermal crystallization kinetics of (Ti41Zr25Be28Fe6)93Cu7 bulk metallic glass
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[10] Effects of Cu cluster evolution on soft magnetic properties of Fe83B10C6Cu1 metallic glass in two-step annealing
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