Research on a reversible superwetting behavior and its corrosion resistance
作者： Zhiqiang Yu , Zhiyong Ji , Dihao Tao , Qiaoxin Zhang , Rong Liu
DOI: 10.1016/J.APSUSC.2020.146145
关键词: Corrosion 、 Etching 、 Copper 、 Durability 、 Stearic acid 、 Contact angle 、 Composite material 、 Superhydrophilicity 、 Wetting 、 Materials science
摘要: A simple, efficient and low-cost method is proposed to prepare surfaces with reversible superwettability and excellent corrosion resistance. Superhydrophobic surfaces are successfully obtained on the copper alloys by etching, heat treatment, and then stearic acid modification, exhibiting extraordinary water repellence with a static contact angle of 159.7±1.2°, and a sliding angle of 3.1±0.6°. The reversible transition of the superwetting state are successfully achieved. The surface can be turned into a superhydrophilic state by …
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