Abstract
The fabrication of superhydrophobic surface on iron substrate is carried out through 20min black chromium electrodeposition, followed by immersing in 0.05M ethanolic stearic acid solution for 12h. The resultant superhydrophobic complex film is characterized by scanning electron microscope (SEM), disperse Spectrometer (EDS), atomic force microscope (AFM), water contact angle (CA), sliding angle (SA) and X-ray photoelectron spectroscope (XPS), and its corrosion resistance property is measured with cyclic voltammetry (CV), linear polarization and electrochemical impedance spectroscopy (EIS). The results show that the fabricated superhydrophobic film has excellent water repellency (CA, 158.8°; SA, 2.1°) and significantly high corrosion resistance (1.31×106Ωcm−2) and excellent corrosion protection efficiency (99.94%).
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