Mixing effect in Zr–Cu metallic liquids

Author:

Luo Xianan,Kang HengORCID,Niu Xiaofeng,Qiao Junwei,Song Kaikai,Wang Weimin,Qin JingyuORCID,Pan ShaopengORCID

Abstract

Abstract Understanding the mixing properties of liquids is important to design new materials; however, the mechanism of mixing effect is unclear. In this work, the mixing effect of Zr–Cu metallic liquids has been investigated via molecular dynamics simulations. Various mixing properties including mixing enthalpy, (ΔH m) mixing volume (ΔV m), mixing coordination number (ΔZ m) and mixing diffusion coefficient (ΔD m) are studied in this work. Remarkably, it is found that all the mixing properties (ΔP m) can be described by a common equation, ΔP m = [aP (T) + bP (T)* (c Zrc Cu)]*c Zr*c Cu. In addition, it is found that all the fitting coefficients of aP (T) and most of bP (T) show a quadratic dependence of temperature. Moreover, it is found that ΔH m, ΔV m and ΔD m show linear correlations with each other at high temperatures, revealing close correlation between the thermodynamic and dynamic properties in metallic liquids. Our results are helpful to understand the mixing effects in metallic liquids.

Funder

National Natural Science Foundation of China

Publisher

IOP Publishing

Subject

Computer Science Applications,Mechanics of Materials,Condensed Matter Physics,General Materials Science,Modeling and Simulation

Cited by 1 articles. 订阅此论文施引文献 订阅此论文施引文献,注册后可以免费订阅5篇论文的施引文献,订阅后可以查看论文全部施引文献

1. Intrinsic tensile ductility in strain hardening multiprincipal element metallic glass;Proceedings of the National Academy of Sciences;2024-04-25

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