期刊
RSC ADVANCES
卷 6, 期 83, 页码 79389-79400出版社
ROYAL SOC CHEMISTRY
DOI: 10.1039/c6ra13447e
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资金
- Priority Academic Program Development of Jiangsu Higher Education Institutions (PAPD)
- Nanjing University of Aeronautics and Astronautics
- NUAA-UT Group Joint Laboratory of Advanced Electronic Materials
In this paper, a superhydrophobic aluminum (Al) surface with a hierarchical micro-nanostructure was successfully fabricated via anodization followed by surface modification using 1H, 1H, 2H, 2H-perfluorodecyltriethoxysilane (FAS). The as-prepared superhydrophobic surface (SHS) displays a water contact angle (CA) as high as 156.0 +/- 0.7 degrees and a sliding angle (SA) as low as 2.5 +/- 1.4 degrees. The surface is found to have good mechanical stability against sand erosion and chemical durability in a series of solutions. The SHS also demonstrates a decrease of 3 orders of magnitude in the corrosion current density (J(corr)) and significant positive shift of 0.93 V in the corrosion potential (E-corr). In addition, the SHS shows a delay in icing time and temperature, as well as low ice adhesion at 0.04 +/- 0.02 MPa. The facile process and the achieved surface morphology provide an attractive way towards anti-wetting surfaces for corrosion protection and anti-icing applications for other structural materials.
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