Journal
APPLIED SURFACE SCIENCE
Volume 422, Issue -, Pages 566-573Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.apsusc.2017.06.066
Keywords
Magnesium alloy; Superhydrophobicity; One-step; Hydrothermal process; Anti-corrosion; Self-cleaning
Categories
Funding
- National Natural Science Foundation of China [21161012]
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Superhydrophobic surfaces can exhibit anti-corrosion, anti-fogging, and self-cleaning performance due to their high water repellence. It is significant for industrial fabricating of superhydrophobic surface with a simple and environment-friendly method. Herein, a facile, environment-friendly, and cost-effective one-step hydrothermal route is proposed to fabricate the superhydrophobic surface on magnesium alloy. The as-prepared superhydrophobic magnesium alloy surface presents the rough and hierarchical micro/nanostructure grafted with long hydrophobic alkyl chains via covalent bonds. Both electrochemical corrosion test and long term immersion in 3.5 wt.% of NaCl solution demonstrate that the superhydrophobic surface greatly improves the corrosion resistance of magnesium alloy. Meanwhile, the superhydrophobic magnesium alloy exhibits excellent self-cleaning performance. It is supposed that this facile method and remarkable properties of resultant superhydrophobic magnesium alloys have a promising future in expanding the application of magnesium alloys. (C) 2017 Elsevier B.V. All rights reserved.
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