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Effect of Alloying Elements on the α-γ Phase Transformation in Iron

  • Small concentrations of alloying elements can modify the α α - γ γ phase transition temperature T c Tc of Fe. We study this effect using an atomistic model based on a set of many-body interaction potentials for iron and several alloying elements. Free-energy calculations based on perturbation theory allow us to determine the change in T c Tc introduced by the alloying element. The resulting changes are in semi-quantitative agreement with experiment. The effect is traced back to the shape of the pair potential describing the interaction between the Fe and the alloying atom

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Author:Herbert UrbassekORCiD, Jerome Meiser
URN (permanent link):urn:nbn:de:hbz:386-kluedo-58139
Document Type:Article
Language of publication:English
Publication Date:2019/12/05
Year of Publication:2019
Publishing Institute:Technische Universität Kaiserslautern
Date of the Publication (Server):2019/12/16
Number of page:11
Faculties / Organisational entities:Fachbereich Physik
DDC-Cassification:5 Naturwissenschaften und Mathematik / 530 Physik
Licence (German):Zweitveröffentlichung