The α↔γ transformation of an Fe1−xCrx alloy: A molecular-dynamics approach

Emilia Sak-Saracino and Herbert M. Urbassek
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Emilia Sak-Saracino: Physics Department and Research Center OPTIMAS, University Kaiserslautern, Erwin-Schrödinger-Straße, D-67663 Kaiserslautern, Germany
Herbert M. Urbassek: Physics Department and Research Center OPTIMAS, University Kaiserslautern, Erwin-Schrödinger-Straße, D-67663 Kaiserslautern, Germany

International Journal of Modern Physics C (IJMPC), 2016, vol. 27, issue 10, 1-7

Abstract: Using molecular dynamics (MD) simulation, we study the temperature-induced α↔γ phase transformation of an Fe0.9Cr0.1 alloy. We find that the austenitic transition temperature is increased with respect to that of an Fe0.9Ni0.1 alloy containing the same concentration of impurity atoms. During the austenitic transformation, heterogeneous nucleation of close-packed (cp) nuclei leads to a polycrystalline structure. The microstructure formed closely resembles that found in pure Fe and in FeNi alloys.

Keywords: Solid–solid phase transitions; molecular dynamics simulation; martensite; Fe–Cr alloy; martensitic phase transformation; microstructure (search for similar items in EconPapers)
Date: 2016
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DOI: 10.1142/S0129183116501242

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