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Physics of Metals and Metallography
Erschienen in: Physics of Metals and Metallography 11/2021

01.11.2021 | THEORY OF METALS

Model of Decomposition of Alloy with Two Magnetic Components: the BCC FeCr System

Erschienen in: Physics of Metals and Metallography | Ausgabe 11/2021

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Abstract

A sequential model of the decomposition of the bcc FeCr binary alloy is formulated that takes into account the configurational and magnetic contributions to the free energy. Using the results of ab initio calculations, the theory of regular solutions is generalized by considering the contributions of the magnetic entropy, the concentration dependence of the exchange interactions, and the mixing energies. The resulting expression for the free energy makes it possible to construct the boundaries of the two-phase region of the bcc FeCr alloy in good agreement with the experimental data, as well as to predict the position of the spinodal, below which the formation of highly dispersed states should be expected when starting from a homogeneous state.
Vorheriger Artikel Clusters of Pb on the Al(001) Surface: Equilibrium Structure and Vibrational Properties
Nächster Artikel On Modified Mott (Т–1/4) Law in the Conductivity of Quasicrystals

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Metadaten
Titel
Model of Decomposition of Alloy with Two Magnetic Components: the BCC FeCr System
Publikationsdatum
01.11.2021
Erschienen in
Physics of Metals and Metallography / Ausgabe 11/2021
Print ISSN: 0031-918X
Elektronische ISSN: 1555-6190
DOI
https://doi.org/10.1134/S0031918X21110120

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