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- W3189358719 endingPage "153231" @default.
- W3189358719 startingPage "153231" @default.
- W3189358719 abstract "• Interatomic potential for V-Ti-Ta ternary system based on F-S formalism has been developed. • The Ti potential well reproduce the point-defect properties of vacancy and self-interstitial atoms and the pressure-volume relation. • The typical defect energies of solute atoms Ti and Ta in the V matrix and Ti and V in the Ta matrix predicted by the present potential were in good agreement with DFT results. Vanadium (V)-based alloys are potential candidates for structural materials of fusion reactors because of their excellent properties; recently, the V–Ti–Ta alloy has received considerable attention. The irradiation-resistant performance is significant for the development and application of fusion reactor materials. In this study, combining with our previously developed potentials of V and Ta, we developed the V-Ti-Ta interatomic potential based on the Finnis–Sinclair (FS) formalism, which is an important step towards an atomic-scale investigation of V-based alloys. The potential parameters were determined by fitting to a large database of experimental data and density functional theory (DFT) calculations. The formation energies of vacancy and self-interstitial atoms, as well as the pressure-volume relation obtained from the present Ti potential, were well reproduced. The typical defect energies of solute atoms Ti and Ta in the V matrix and Ti and V in the Ta matrix, such as the formation energies of substitutional solute atoms, binding energies between solute atoms and point defects, agree well with DFT results. Thus, the developed potentials are expected to be suitable for atomistic simulations of point defects evolution in the V-Ti-Ta ternary system." @default.
- W3189358719 created "2021-08-16" @default.
- W3189358719 creator A5038531250 @default.
- W3189358719 creator A5046761975 @default.
- W3189358719 creator A5047806785 @default.
- W3189358719 creator A5052875226 @default.
- W3189358719 creator A5055352538 @default.
- W3189358719 creator A5064262109 @default.
- W3189358719 creator A5068897965 @default.
- W3189358719 date "2021-12-01" @default.
- W3189358719 modified "2023-10-12" @default.
- W3189358719 title "Finnis–Sinclair-type potential for atomistic simulation of defects behaviour in V-Ti-Ta ternary system" @default.
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- W3189358719 doi "https://doi.org/10.1016/j.jnucmat.2021.153231" @default.