Preparation of cast-iron-based nanocrystalline alloy with Cu and Nb addition

H. Y. Jung; M. Stoica; S. Yi; D. H. Kim; J. Eckert

doi:10.1016/j.intermet.2015.10.014

Preparation of cast-iron-based nanocrystalline alloy with Cu and Nb addition

H. Y. Jung, M. Stoica, S. Yi, D. H. Kim, J. Eckert

Department of Materials Science and Engineering

Research output: Contribution to journal › Article › peer-review

8 Citations (Scopus)

Abstract

The effect of minor Cu and Nb addition on glass-forming ability and nanocrystallization behavior of cast-iron-based bulk metallic glass was investigated. With simultaneous Cu and Nb addition, the crystallization kinetics of the amorphous alloys adequately modified to have enlarged initial nucleation rate and reduced growth rate of the primary α-Fe phase. However, due to the increased tendency to form secondary Fe₃C and Fe₂P phase, the cast-iron-based bulk metallic glass with combined Cu and Nb addition had a reduced processing window for nanocrystallization. Also, the simultaneous Cu and Nb addition decreased glass-forming ability of the alloy. Thus, it was revealed that the classical nanocrystallization strategy introducing combined Cu and Nb addition is not a suitable alternative to facilitate nanocrystallization of cast-iron-based bulk metallic glasses.

Original language	English
Pages (from-to)	54-61
Number of pages	8
Journal	Intermetallics
Volume	69
DOIs	https://doi.org/10.1016/j.intermet.2015.10.014
Publication status	Published - 2016 Feb 1

Bibliographical note

Funding Information:
This work was supported by the Global Research Laboratory Program of the Korea Ministry of Science and Technology . The additional support of the German Science Foundation (DFG) through the grant ( KU 1974/11-1 ) and under the Leibniz Program (grant EC 111/26-1) as well as support through the European Research Council under the ERC Advanced Grant INTELHYB (grant ERC-2013-ADG-340025 ) and support from ESRF through the experiment HC-1454 is also gratefully acknowledged.

Publisher Copyright:
© 2015 Elsevier Ltd.

All Science Journal Classification (ASJC) codes

Chemistry(all)
Mechanics of Materials
Mechanical Engineering
Metals and Alloys
Materials Chemistry

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10.1016/j.intermet.2015.10.014

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title = "Preparation of cast-iron-based nanocrystalline alloy with Cu and Nb addition",

abstract = "The effect of minor Cu and Nb addition on glass-forming ability and nanocrystallization behavior of cast-iron-based bulk metallic glass was investigated. With simultaneous Cu and Nb addition, the crystallization kinetics of the amorphous alloys adequately modified to have enlarged initial nucleation rate and reduced growth rate of the primary α-Fe phase. However, due to the increased tendency to form secondary Fe3C and Fe2P phase, the cast-iron-based bulk metallic glass with combined Cu and Nb addition had a reduced processing window for nanocrystallization. Also, the simultaneous Cu and Nb addition decreased glass-forming ability of the alloy. Thus, it was revealed that the classical nanocrystallization strategy introducing combined Cu and Nb addition is not a suitable alternative to facilitate nanocrystallization of cast-iron-based bulk metallic glasses.",

author = "Jung, {H. Y.} and M. Stoica and S. Yi and Kim, {D. H.} and J. Eckert",

note = "Funding Information: This work was supported by the Global Research Laboratory Program of the Korea Ministry of Science and Technology . The additional support of the German Science Foundation (DFG) through the grant ( KU 1974/11-1 ) and under the Leibniz Program (grant EC 111/26-1) as well as support through the European Research Council under the ERC Advanced Grant INTELHYB (grant ERC-2013-ADG-340025 ) and support from ESRF through the experiment HC-1454 is also gratefully acknowledged. Publisher Copyright: {\textcopyright} 2015 Elsevier Ltd.",

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doi = "10.1016/j.intermet.2015.10.014",

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AU - Jung, H. Y.

AU - Stoica, M.

AU - Yi, S.

AU - Kim, D. H.

AU - Eckert, J.

N1 - Funding Information: This work was supported by the Global Research Laboratory Program of the Korea Ministry of Science and Technology . The additional support of the German Science Foundation (DFG) through the grant ( KU 1974/11-1 ) and under the Leibniz Program (grant EC 111/26-1) as well as support through the European Research Council under the ERC Advanced Grant INTELHYB (grant ERC-2013-ADG-340025 ) and support from ESRF through the experiment HC-1454 is also gratefully acknowledged. Publisher Copyright: © 2015 Elsevier Ltd.

PY - 2016/2/1

Y1 - 2016/2/1

N2 - The effect of minor Cu and Nb addition on glass-forming ability and nanocrystallization behavior of cast-iron-based bulk metallic glass was investigated. With simultaneous Cu and Nb addition, the crystallization kinetics of the amorphous alloys adequately modified to have enlarged initial nucleation rate and reduced growth rate of the primary α-Fe phase. However, due to the increased tendency to form secondary Fe3C and Fe2P phase, the cast-iron-based bulk metallic glass with combined Cu and Nb addition had a reduced processing window for nanocrystallization. Also, the simultaneous Cu and Nb addition decreased glass-forming ability of the alloy. Thus, it was revealed that the classical nanocrystallization strategy introducing combined Cu and Nb addition is not a suitable alternative to facilitate nanocrystallization of cast-iron-based bulk metallic glasses.

AB - The effect of minor Cu and Nb addition on glass-forming ability and nanocrystallization behavior of cast-iron-based bulk metallic glass was investigated. With simultaneous Cu and Nb addition, the crystallization kinetics of the amorphous alloys adequately modified to have enlarged initial nucleation rate and reduced growth rate of the primary α-Fe phase. However, due to the increased tendency to form secondary Fe3C and Fe2P phase, the cast-iron-based bulk metallic glass with combined Cu and Nb addition had a reduced processing window for nanocrystallization. Also, the simultaneous Cu and Nb addition decreased glass-forming ability of the alloy. Thus, it was revealed that the classical nanocrystallization strategy introducing combined Cu and Nb addition is not a suitable alternative to facilitate nanocrystallization of cast-iron-based bulk metallic glasses.

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Preparation of cast-iron-based nanocrystalline alloy with Cu and Nb addition

Abstract

Bibliographical note

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