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Erschienen in: Physics of Metals and Metallography 13/2021

01.12.2021 | THEORY OF METALS

Formation Enthalpies and Dilution Heats of FCC–FCC Binary Alloys Using Modified Ones of EAM Potentials

verfasst von: H. S. Jin, S. N. Ho, R. S. Kong, J. C. Cha, H. Yang

Erschienen in: Physics of Metals and Metallography | Ausgabe 13/2021

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Abstract

We evaluated the formation enthalpies and the dilution heats of FCC–FCC (FCC: facet-centered cubic) binary alloys employing the modified ones of the embedded atom method (EAM) potentials for FCC metals. We have calculated the formation enthalpies in the whole composition range for 36 kinds of FCC–FCC binary alloys bearing FCC metals Ag, Al, Au, Cu, Ir, Ni, Pd, Pt, and Rh by the modified embedded atom method (MEAM) potentials for FCC metals proposed by Jin et al. [Appl. Phys. A120 (2015) 189], Johnson’s alloy potential form, and Vegard’s law. We have also modified the formulas to calculate the dilution heats of the binary alloy solutions using the MEAM potentials for FCC metals and evaluated the dilution heats of 72 kinds of FCC–FCC binary alloy solutions. The present results of the formation enthalpies and the dilution heats for all FCC–FCC binary alloys are in mainly agreement with the experimental data and the calculations by the Miedema theory. Our results agree with the experimental data and the Miedema theory results better than the precedent MEAM results.

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Metadaten
Titel
Formation Enthalpies and Dilution Heats of FCC–FCC Binary Alloys Using Modified Ones of EAM Potentials
verfasst von
H. S. Jin
S. N. Ho
R. S. Kong
J. C. Cha
H. Yang
Publikationsdatum
01.12.2021
Verlag
Pleiades Publishing
Erschienen in
Physics of Metals and Metallography / Ausgabe 13/2021
Print ISSN: 0031-918X
Elektronische ISSN: 1555-6190
DOI
https://doi.org/10.1134/S0031918X21130135

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