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(Peer-Reviewed) Directional sliding of water: biomimetic snake scale surfaces
Yizhe Zhao ¹, Yilin Su 苏奕粼 ¹ ², Xuyan Hou 侯绪研 ², Minghui Hong 洪明辉 ¹
¹ Department of Electrical and Computer Engineering, National University of Singapore, 4 Engineering Drive 3, 117576, Singapore
² State Key Laboratory of Robotics and System, Harbin Institute of Technology, Harbin 150001, China
中国 哈尔滨 哈尔滨工业大学 机器人技术与系统国家重点实验室
Opto-Electronic Advances, 2021-04-06
https://doi.org/10.29026/oea.2021.210008
https://www.oejournal.org/article/doi/10.29026/oea.2021.210008
Abstract

Bioinspired superhydrophobic surfaces have attracted many industrial and academic interests in recent years. Inspired by unique superhydrophobicity and anisotropic friction properties of snake scale surfaces, this study explores the feasibility to produce a bionic superhydrophobic stainless steel surface via laser precision engineering, which allows the realization of directional superhydrophobicity and dynamic control of its water transportation.

Dynamic mechanism of water sliding on hierarchical snake scale structures is studied, which is the key to reproduce artificially bioinspired multifunctional materials with great potentials to be used for water harvesting, droplet manipulation, pipeline transportation, and vehicle acceleration.
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