Journal
SURFACE & COATINGS TECHNOLOGY
Volume 350, Issue -, Pages 428-435Publisher
ELSEVIER SCIENCE SA
DOI: 10.1016/j.surfcoat.2018.07.038
Keywords
High hydrophobicity; Superhydrophilicity; Wettability transition; Mg-Li alloy
Funding
- National Natural Science Foundation [51671063, 51771060]
- Research Fund for the Doctoral Program of Higher Education [20132304110006]
- Heilongjian Province Natural Science Foundation [ZD2017010]
- Fundamental Research Funds for the Central Universities [HEUCFG201834]
- Harbin City Application Technology Research and Development Project [2015AE4AE005, 2015RQXXJ001, 2016AB2AG013]
- Key Laboratory of Lightweight and High Strength Structural Materials of Jiangxi Province [20171BCD40003]
- Science and Technology Innovation Project [009-031-001]
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A high hydrophobic Ni-Cu-SiC coating with a graded nanostructure was successfully deposited on the Mg-Li alloy via electroplating and stearic acid modification. After stearic acid modification, the as-prepared Ni-Cu-SIC coating displays high hydrophobicity with contact angle of 156.0 degrees. Furthermore, surface wettability transition from high hydrophobicity to superhydrophilicity can be achieved via UV-vis irradiation, and subsequently, the high hydrophobicity can recover to hydrophobicity via stearic acid re-modification. This work could provide a novel way to fabricate functional surface on Mg-Li alloy and wider industrial application for Mg-Li alloy.
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