Effect of the magnetic transition of austenite phase on austenite-to-epsilon martensitic transformation in Fe[sbnd]Mn binary alloys

Seon Min Choi; Jin Sung Hong; Jae Hoon Nam; Wontae Cho; Dong Woo Suh; Young Kook Lee

doi:10.1016/j.matchar.2020.110279

Effect of the magnetic transition of austenite phase on austenite-to-epsilon martensitic transformation in Fe[sbnd]Mn binary alloys

Seon Min Choi, Jin Sung Hong, Jae Hoon Nam, Wontae Cho, Dong Woo Suh, Young Kook Lee

Department of Materials Science and Engineering

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

4 Citations (Scopus)

Abstract

The effect of the magnetic transition of γ austenite phase on γ → ε martensitic transformation in Fe[sbnd]Mn binary alloys was investigated to calm a longstanding controversy over whether or not γ → ε martensitic transformation is terminated at the Néel temperature of γ phase (T_N ^γ), where the paramagnetic-to-antiferromagnetic transition occurs during cooling. Literature review on both martensite start (M_s) temperature and T_N ^γ, experiments, and thermodynamic calculation clearly revealed that the γ → ε martensitic transformation in Fe[sbnd]Mn binary alloys is not terminated at T_N ^γ, but suppressed at temperatures below T_N ^γ due to the high stability of antiferromagnetic γ phase.

Original language	English
Article number	110279
Journal	Materials Characterization
Volume	163
DOIs	https://doi.org/10.1016/j.matchar.2020.110279
Publication status	Published - 2020 May

Bibliographical note

Funding Information:
This work was supported by POSCO Steel & Green Science ( 4.0017259 ) and Korea Institute for Advancement of Technology (KIAT) grant funded by the Korea Government (MOTIE) ( P0002019 , The Competency Development Program for Industry Specialist). Authors are also thankful to Dr. Joong-Hwan Jun at Korea Institute of Industrial Technology for fruitful discussion.

Publisher Copyright:
© 2020 Elsevier Inc.

All Science Journal Classification (ASJC) codes

Materials Science(all)
Condensed Matter Physics
Mechanics of Materials
Mechanical Engineering

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10.1016/j.matchar.2020.110279

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title = "Effect of the magnetic transition of austenite phase on austenite-to-epsilon martensitic transformation in Fe[sbnd]Mn binary alloys",

abstract = "The effect of the magnetic transition of γ austenite phase on γ → ε martensitic transformation in Fe[sbnd]Mn binary alloys was investigated to calm a longstanding controversy over whether or not γ → ε martensitic transformation is terminated at the N{\'e}el temperature of γ phase (TN γ), where the paramagnetic-to-antiferromagnetic transition occurs during cooling. Literature review on both martensite start (Ms) temperature and TN γ, experiments, and thermodynamic calculation clearly revealed that the γ → ε martensitic transformation in Fe[sbnd]Mn binary alloys is not terminated at TN γ, but suppressed at temperatures below TN γ due to the high stability of antiferromagnetic γ phase.",

author = "Choi, {Seon Min} and Hong, {Jin Sung} and Nam, {Jae Hoon} and Wontae Cho and Suh, {Dong Woo} and Lee, {Young Kook}",

note = "Funding Information: This work was supported by POSCO Steel & Green Science ( 4.0017259 ) and Korea Institute for Advancement of Technology (KIAT) grant funded by the Korea Government (MOTIE) ( P0002019 , The Competency Development Program for Industry Specialist). Authors are also thankful to Dr. Joong-Hwan Jun at Korea Institute of Industrial Technology for fruitful discussion. Publisher Copyright: {\textcopyright} 2020 Elsevier Inc.",

year = "2020",

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doi = "10.1016/j.matchar.2020.110279",

language = "English",

volume = "163",

journal = "Materials Characterization",

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AU - Choi, Seon Min

AU - Hong, Jin Sung

AU - Nam, Jae Hoon

AU - Cho, Wontae

AU - Suh, Dong Woo

AU - Lee, Young Kook

N1 - Funding Information: This work was supported by POSCO Steel & Green Science ( 4.0017259 ) and Korea Institute for Advancement of Technology (KIAT) grant funded by the Korea Government (MOTIE) ( P0002019 , The Competency Development Program for Industry Specialist). Authors are also thankful to Dr. Joong-Hwan Jun at Korea Institute of Industrial Technology for fruitful discussion. Publisher Copyright: © 2020 Elsevier Inc.

PY - 2020/5

Y1 - 2020/5

N2 - The effect of the magnetic transition of γ austenite phase on γ → ε martensitic transformation in Fe[sbnd]Mn binary alloys was investigated to calm a longstanding controversy over whether or not γ → ε martensitic transformation is terminated at the Néel temperature of γ phase (TN γ), where the paramagnetic-to-antiferromagnetic transition occurs during cooling. Literature review on both martensite start (Ms) temperature and TN γ, experiments, and thermodynamic calculation clearly revealed that the γ → ε martensitic transformation in Fe[sbnd]Mn binary alloys is not terminated at TN γ, but suppressed at temperatures below TN γ due to the high stability of antiferromagnetic γ phase.

AB - The effect of the magnetic transition of γ austenite phase on γ → ε martensitic transformation in Fe[sbnd]Mn binary alloys was investigated to calm a longstanding controversy over whether or not γ → ε martensitic transformation is terminated at the Néel temperature of γ phase (TN γ), where the paramagnetic-to-antiferromagnetic transition occurs during cooling. Literature review on both martensite start (Ms) temperature and TN γ, experiments, and thermodynamic calculation clearly revealed that the γ → ε martensitic transformation in Fe[sbnd]Mn binary alloys is not terminated at TN γ, but suppressed at temperatures below TN γ due to the high stability of antiferromagnetic γ phase.

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Effect of the magnetic transition of austenite phase on austenite-to-epsilon martensitic transformation in Fe[sbnd]Mn binary alloys

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