Molecular dynamics (MD) simulations are performed to investigate the wettability of liquid metal on the metal substrate. Results show that there exists different wettability on the different metal substrates, which is mainly determined by the interaction between the liquid and the substrate. The liquid metal is more likely to wet the same kind of metal substrate, which attracts the liquid metal to one side on the hybrid substrate. Exchanging the liquid metal and substrate metal has no effect on the wettability between these two metals. Moreover, the study of metal drop coalescing indicates that the metal substrate can significantly affect the coalescence behavior, in which the changeable wettability of liquid metal plays a predominant role. These studies demonstrate that the wetting behavior of liquid metal can be controlled by choosing the suitable metal substrate.
Project supported by the National Natural Science Foundation of China (Grant No. 51671114), the Special Funding in the Project of the Taishan Scholar Construction Engineering, and the National Key Research Program of China (Grant No. 2016YFB0300501).
Corresponding Authors:
Hui Li
E-mail: lihuilmy@hotmail.com
About author: 0.1088/1674-1056/26/8/
Cite this article:
Zhen-Yang Zhao(赵珍阳), Tao Li(李涛), Yun-Rui Duan(段云瑞), Zhi-Chao Wang(王志超), Hui Li(李辉) Wetting and coalescence of the liquid metal on the metal substrate 2017 Chin. Phys. B 26 083104
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