Abstract
In this work, a superhydrophobic brass surface was fabricated by laser ablation followed by heating treatment, and corrosion resistance of this surface was studied by performing electrochemistry tests. The observed superhydrophobicity arises from the synergistic effect of the micro/nano hierarchical structure produced by the laser ablation and the adsorption of organic compounds from ambient air (mainly the nonpolar C−C/C−H groups) during the heating treatment. The superhydrophobic surface shows better corrosion resistance than polished brass surface because of the additional air film resistance and the decrease in the solid-electrolyte contact area caused by the air pockets trapped in the roughness grooves.
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