期刊
PROGRESS IN ORGANIC COATINGS
卷 100, 期 -, 页码 56-62出版社
ELSEVIER SCIENCE SA
DOI: 10.1016/j.porgcoat.2016.01.018
关键词
Magnesium alloy; Superhydrophobicity; Corrosion-resistant; Bionic micronanostructure; One-step solve-thermal process
A simple, one-step method has been developed to construct a corrosion-resistant bionic superhydrophobic surfaces by solve-thermal process in an ethanol and water solution containing stearic acid. Superhydrophobic surface with biomimetic micronanostructures was prepared in this study. The Mammillaria herrerae-like microspheres, carnation-like microclusters and carnation-petal-like nanoslices of biomimetic micronanostructures on magnesium alloy surface can create a stable superhydrophobic surface, which is similar to the lotus leaf structure. The as-prepared superhydrophobic surface had a contact angle of 158.5 degrees and a sliding angle of 2.0 degrees. The as-prepared superhydrophobic surfaces were characterized by means of scanning electron microscopy (SEM), X-ray photoelectron spectroscopy (XPS), Fourier transform infrared spectroscopy (FTIR), X-ray diffraction (XRD) and contact angle measurement. Potentiodynamic polarization measurements demonstrated that the superhydrophobic surface greatly improved the corrosion properties of magnesium alloy in 3.5 wt% NaCl solution. (C) 2016 Elsevier B.V. All rights reserved.
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