4.7 Article

One-step method for the fabrication of superhydrophobic surface on magnesium alloy and its corrosion protection, antifouling performance

Journal

CORROSION SCIENCE
Volume 80, Issue -, Pages 177-183

Publisher

PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.corsci.2013.11.026

Keywords

Magnesium; Alloy; Organic coatings; Polarization; EIS; Microbiological corrosion

Funding

  1. Special Innovation Talents of Harbin Science and Technology [2011RFQXG016, 2012RFXXG104]
  2. Fundamental Research Funds of the Central University (HEUCFZ)
  3. Key Program of the Natural Science Foundation of Heilongjiang Province [ZD201219]
  4. Program of International S&T Cooperation special project [2013DFA50480]

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Inspired by the lotus leaf, various methods to fabricate artificial superhydrophobic surfaces have been developed. Our purpose is to create a simple, one-step and environment-friendly method to construct a superhydrophobic surface on a magnesium alloy substrate. The substrate was immersed in a solution containing ferric chloride (FeCl3 center dot 6H(2)O), deionized water, tetradecanoic acid (CH3(CH2)(12)COOH) and ethanol. Scanning electron microscopy (SEM), X-ray photoelectron spectroscopy (XPS) and Fourier transformed infrared (FT-IR) were employed to characterize the substrate surface. The obtained surface showed a micron rough structure, a high contact angle (CA) of 165 degrees +/- 2 degrees and desirable corrosion protection and antifouling properties. (C) 2013 Published by Elsevier Ltd.

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