Chinese Journal of Lasers, Volume. 47, Issue 4, 402012(2020)

Fabrication and Droplet Impact Performance of Superhydrophobic Surfaces Developed Using Nanosecond Lasers

Zhou Peiyang1, Peng Yaozheng1, Huang Zeming1, Ouyang Ziqing1, Long Jiangyou1, and Xie Xiaozhu1,2,3、*
Author Affiliations
  • 1Laser Micro/Nano Processing Lab, School of Electromechanical Engineering,Guangdong University of Technology, Guangzhou, Guangdong 510006, China
  • 2State Key Laboratory of Precision Electronic Manufacturing Technology and Equipment, School ofElectromechanical Engineering, Guangdong University of Technology, Guangzhou, Guangdong 510006, China
  • 3Department of Experiment Teaching, Guangdong University of Technology,Guangzhou, Guangdong 510006, China
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    Low cost nanosecond lasers can be used to fabricate various micro and nanostructures on metal surfaces. After chemical modification, superhydrophobic surfaces with different water adhesion are obtained. However, only few studies are reported on the droplet impact performance of these superhydrophobic surfaces. Therefore, we investigate the droplet impact performance of the typical superhydrophobic surfaces fabricated by nanosecond laser with different pulse duration. Results indicate that the superhydrophobic surfaces fabricated by different pulse duration nanosecond lasers exhibit extremely short solid-liquid contact time when droplets are impacted. Under the same parameters, superhydrophobic surface fabricated by shorter pulse duration laser has higher microstructures, which results in an increase in the solid-liquid adhesion force during droplet impact and a relatively long solid-liquid contact time.

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    Zhou Peiyang, Peng Yaozheng, Huang Zeming, Ouyang Ziqing, Long Jiangyou, Xie Xiaozhu. Fabrication and Droplet Impact Performance of Superhydrophobic Surfaces Developed Using Nanosecond Lasers[J]. Chinese Journal of Lasers, 2020, 47(4): 402012

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    Paper Information

    Category: laser manufacturing

    Received: Nov. 20, 2019

    Accepted: --

    Published Online: Apr. 8, 2020

    The Author Email: Xiaozhu Xie (xiaozhuxie@gdut.edu.cn)

    DOI:10.3788/CJL202047.0402012

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