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Theoretical Aspects of Spinodal Decomposition in Fe-C

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Theoretical Aspects of Spinodal Decomposition in Fe-C. / Kim, B.; Sietsma, J.; Santofimia, M.J.
In: Metallurgical and Materials Transactions A: Physical Metallurgy and Materials Science, Vol. 50, No. 3, 03.2019, p. 1175–1184.

Research output: Contribution to Journal/Magazine › Journal article › peer-review

Harvard

Kim, B, Sietsma, J & Santofimia, MJ 2019, 'Theoretical Aspects of Spinodal Decomposition in Fe-C', Metallurgical and Materials Transactions A: Physical Metallurgy and Materials Science, vol. 50, no. 3, pp. 1175–1184. https://doi.org/10.1007/s11661-018-5094-1

APA

Kim, B., Sietsma, J., & Santofimia, M. J. (2019). Theoretical Aspects of Spinodal Decomposition in Fe-C. Metallurgical and Materials Transactions A: Physical Metallurgy and Materials Science, 50(3), 1175–1184. https://doi.org/10.1007/s11661-018-5094-1

Vancouver

Kim B, Sietsma J, Santofimia MJ. Theoretical Aspects of Spinodal Decomposition in Fe-C. Metallurgical and Materials Transactions A: Physical Metallurgy and Materials Science. 2019 Mar;50(3):1175–1184. Epub 2019 Jan 3. doi: 10.1007/s11661-018-5094-1

Author

Kim, B. ; Sietsma, J. ; Santofimia, M.J. / Theoretical Aspects of Spinodal Decomposition in Fe-C. In: Metallurgical and Materials Transactions A: Physical Metallurgy and Materials Science. 2019 ; Vol. 50, No. 3. pp. 1175–1184.

Bibtex

@article{75e48f2aec124d6581e5adbbd6b26f7e,
title = "Theoretical Aspects of Spinodal Decomposition in Fe-C",
abstract = "Carbon redistribution is known to occur during room temperature aging of Fe-C martensite. One of the proposed mechanisms in the literature by which carbon redistributes is spinodal decomposition, a thermodynamically driven reaction in which the alloy undergoes separation into carbon-rich and carbon-poor regions, giving rise to modulations in carbon concentration. Despite the substantial experimental evidence supporting the occurrence of spinodal decomposition in Fe-C, its theoretical formulation requires attention. In the present study, a theoretical framework based on the regular solution model is built for evaluating the thermodynamics of the Fe-C system, with particular emphasis on the interstitial nature of carbon atoms within the ferrite lattice. Assuming a defect-free lattice, the model explains a miscibility gap in the Fe-C system. The limitations of the current model are critically evaluated. {\textcopyright} 2019, The Author(s).",
keywords = "Carbon, Iron compounds, Thermodynamics, Carbon concentrations, Current modeling, Experimental evidence, Regular solution model, Temperature aging, Theoretical aspects, Theoretical formulation, Theoretical framework, Spinodal decomposition",
author = "B. Kim and J. Sietsma and M.J. Santofimia",
year = "2019",
month = mar,
doi = "10.1007/s11661-018-5094-1",
language = "English",
volume = "50",
pages = "1175–1184",
journal = "Metallurgical and Materials Transactions A: Physical Metallurgy and Materials Science",
issn = "1073-5623",
publisher = "Springer Boston",
number = "3",

}

RIS

TY - JOUR

T1 - Theoretical Aspects of Spinodal Decomposition in Fe-C

AU - Kim, B.

AU - Sietsma, J.

AU - Santofimia, M.J.

PY - 2019/3

Y1 - 2019/3

N2 - Carbon redistribution is known to occur during room temperature aging of Fe-C martensite. One of the proposed mechanisms in the literature by which carbon redistributes is spinodal decomposition, a thermodynamically driven reaction in which the alloy undergoes separation into carbon-rich and carbon-poor regions, giving rise to modulations in carbon concentration. Despite the substantial experimental evidence supporting the occurrence of spinodal decomposition in Fe-C, its theoretical formulation requires attention. In the present study, a theoretical framework based on the regular solution model is built for evaluating the thermodynamics of the Fe-C system, with particular emphasis on the interstitial nature of carbon atoms within the ferrite lattice. Assuming a defect-free lattice, the model explains a miscibility gap in the Fe-C system. The limitations of the current model are critically evaluated. © 2019, The Author(s).

AB - Carbon redistribution is known to occur during room temperature aging of Fe-C martensite. One of the proposed mechanisms in the literature by which carbon redistributes is spinodal decomposition, a thermodynamically driven reaction in which the alloy undergoes separation into carbon-rich and carbon-poor regions, giving rise to modulations in carbon concentration. Despite the substantial experimental evidence supporting the occurrence of spinodal decomposition in Fe-C, its theoretical formulation requires attention. In the present study, a theoretical framework based on the regular solution model is built for evaluating the thermodynamics of the Fe-C system, with particular emphasis on the interstitial nature of carbon atoms within the ferrite lattice. Assuming a defect-free lattice, the model explains a miscibility gap in the Fe-C system. The limitations of the current model are critically evaluated. © 2019, The Author(s).

KW - Carbon

KW - Iron compounds

KW - Thermodynamics

KW - Carbon concentrations

KW - Current modeling

KW - Experimental evidence

KW - Regular solution model

KW - Temperature aging

KW - Theoretical aspects

KW - Theoretical formulation

KW - Theoretical framework

KW - Spinodal decomposition

U2 - 10.1007/s11661-018-5094-1

DO - 10.1007/s11661-018-5094-1

M3 - Journal article

VL - 50

SP - 1175

EP - 1184

JO - Metallurgical and Materials Transactions A: Physical Metallurgy and Materials Science

JF - Metallurgical and Materials Transactions A: Physical Metallurgy and Materials Science

SN - 1073-5623

IS - 3

ER -