Journal
APPLIED SURFACE SCIENCE
Volume 258, Issue 1, Pages 580-585Publisher
ELSEVIER
DOI: 10.1016/j.apsusc.2011.08.063
Keywords
Aluminum alloy; Corrosion resistance; Super-hydrophobic coating; Electrochemical
Categories
Funding
- Science and Technology Key Foundation of Chongqing [CSTC, 2009AC4045, 2010AC6072]
- Fundamental Research Fund for the Central Universities [CDJXS11102210]
- Third Stage of 211 Innovative Talent Training Project [S-09109]
- sharing fund of large-scale equipment of Chongqing University [2010063072, 2010121556]
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A novel super-hydrophobic coating was prepared by chemical modification on the anodized aluminum alloy surface. The surface structure was characterized by water contact angle measurement, scanning electron microscopy (SEM), and the composition was measured by X-ray photoelectron spectroscopy (XPS). The corrosion behavior of the super-hydrophobic coating was evaluated by the polarization curve and the electrochemical impedance spectroscopy ( EIS). It was found that the static water contact angle on the surface of super-hydrophobic coating was as high as 167.7 +/- 1.2 degrees, and the sliding angle was 5 degrees. The super-hydrophobic coating resulted in excellent corrosion resistance property and the super-hydrophobic coating showed a good stability. (C) 2011 Elsevier B.V. All rights reserved.
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