Ab initio molecular dynamic simulation of Zn-Al-Fe alloys
JOURNAL OF MINING AND METALLURGY SECTION B-METALLURGY(2019)
摘要
This paper presents the measurement of the Ab initio molecular dynamics of a Zn-Al-Fe alloy system. The structural and electronic properties of the Zn-Al-Fe alloy at different temperatures are simulated, and the partial density of states, radial distribution function, coordination number; mean square displacement, and diffusion coefficient are obtained. It provides a theoretical analysis of the vacuum separation of Zn-Al-Fe alloys. The simulation results show that when the temperature was 1073 K, the disorder degree of the system was the largest, the diffusion coefficient was 1.29 (10(-8)m(2)s(-1)), and the coordination number was 9.48. It means that the Zn-Al-Fe alloy can be separated into its constituent metals easily by vacuum distillation, and that the optimum temperature to achieve this is 1073 K.
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关键词
Zn-Al-Fe alloys,Vacuum distillation,Ab initio molecular dynamics
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