Formation of metastable phase and its influence on the solidification microstructure of highly undercooled eutectic Fe40Ni 40B20 alloy

Ke Zhang; Feng Liu; Bin Gu; Gencang Yang

doi:10.1080/09500839.2014.885127

Formation of metastable phase and its influence on the solidification microstructure of highly undercooled eutectic Fe₄₀Ni ₄₀B₂₀ alloy

Ke Zhang, Feng Liu, Bin Gu, Gencang Yang

School of Materials Sience and Engineering

Northwestern Polytechnical University Xian

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

1 Scopus citations

Abstract

Solidification of a highly undercooled eutectic Fe₄₀Ni ₄₀B₂₀ alloy melt has been studied by high-speed video in combination with an analysis of the temperature history. The metastable phase with a colony shape structure solidified primarily from the melt. DSC analysis confirmed the formation of the metastable phase. The metastable phase was re-melted, transformed or decomposed into stable phases during further solidification or cooling processes, and gave birth to the final as-solidified structures. On this basis, the effects of the metastable phase formation and transformation on evolution of the as-solidified structure is described.

Original language	English
Pages (from-to)	172-181
Number of pages	10
Journal	Philosophical Magazine Letters
Volume	94
Issue number	3
DOIs	https://doi.org/10.1080/09500839.2014.885127
State	Published - 4 Mar 2014

Keywords

DSC
Metastable phase
Microstructure
Solidification

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10.1080/09500839.2014.885127

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title = "Formation of metastable phase and its influence on the solidification microstructure of highly undercooled eutectic Fe40Ni 40B20 alloy",

abstract = "Solidification of a highly undercooled eutectic Fe40Ni 40B20 alloy melt has been studied by high-speed video in combination with an analysis of the temperature history. The metastable phase with a colony shape structure solidified primarily from the melt. DSC analysis confirmed the formation of the metastable phase. The metastable phase was re-melted, transformed or decomposed into stable phases during further solidification or cooling processes, and gave birth to the final as-solidified structures. On this basis, the effects of the metastable phase formation and transformation on evolution of the as-solidified structure is described.",

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AU - Zhang, Ke

AU - Liu, Feng

AU - Gu, Bin

AU - Yang, Gencang

PY - 2014/3/4

Y1 - 2014/3/4

N2 - Solidification of a highly undercooled eutectic Fe40Ni 40B20 alloy melt has been studied by high-speed video in combination with an analysis of the temperature history. The metastable phase with a colony shape structure solidified primarily from the melt. DSC analysis confirmed the formation of the metastable phase. The metastable phase was re-melted, transformed or decomposed into stable phases during further solidification or cooling processes, and gave birth to the final as-solidified structures. On this basis, the effects of the metastable phase formation and transformation on evolution of the as-solidified structure is described.

AB - Solidification of a highly undercooled eutectic Fe40Ni 40B20 alloy melt has been studied by high-speed video in combination with an analysis of the temperature history. The metastable phase with a colony shape structure solidified primarily from the melt. DSC analysis confirmed the formation of the metastable phase. The metastable phase was re-melted, transformed or decomposed into stable phases during further solidification or cooling processes, and gave birth to the final as-solidified structures. On this basis, the effects of the metastable phase formation and transformation on evolution of the as-solidified structure is described.

KW - DSC

KW - Metastable phase

KW - Microstructure

KW - Solidification

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DO - 10.1080/09500839.2014.885127

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SN - 0950-0839

VL - 94

SP - 172

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JO - Philosophical Magazine Letters

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IS - 3

ER -

Formation of metastable phase and its influence on the solidification microstructure of highly undercooled eutectic Fe₄₀Ni ₄₀B₂₀ alloy

Abstract

Keywords

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