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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This work is financially supported by the National Natural Science Foundation of China (U1360204) and National University’s Basic Research Foundation of China (N120602003).
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Jin, H.S., Ho, S.N., Kong, R.S. et al. Formation Enthalpies and Dilution Heats of FCC–FCC Binary Alloys Using Modified Ones of EAM Potentials. Phys. Metals Metallogr. 122, 1264–1271 (2021). https://doi.org/10.1134/S0031918X21130135
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DOI: https://doi.org/10.1134/S0031918X21130135