Abstract
ABSTRACT Here, a new class superhydrophobic surface based on nano-engineering was proposed and prepared to improve the durability of corrosion protect. Moreover, the durability of anticorrosion was evaluated by the Tafel polarization curves and electrochemical impedance spectroscopy under various damages of mechanical abrasion, chemical immersion and cool/thermal treatment. The superhydrophobic surface based on nano-engineering still showed excellent anticorrosion performance, such as low corrosion current (∼10−10 A cm−2), large polarization resistance (>150.0 MΩ cm2) and low corrosion rate (∼10−6 mm/year). The good durability was attributed to the special nano-engineering with low surface roughness and surface energy. The work provides a new method to improve the durability of the superhydrophobic surfaces for application in anticorrosion technology.
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