Metal corrosion causes tremendous financial loss and disasters every year. Inspired by “lotus effect,” a superhydrophobic stainless steel surface with anti-corrosion property was realized in this study. The bioinspired micro–nano structures were fabricated by utilizing two chemical etching procedures. The water contact angle (CA) of the prepared surface reached 173°. The correlative mechanism between CA and surface morphology was elucidated by adjusting the key reaction conditions. Electrochemical corrosion test showed that the bioinspired superhydrophobic stainless steel possessed a polarization resistance that is 28.9 times higher than that of common stainless-steel surface.
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Zhao et al. (2017) studied this question.
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