Abstract
Super-hydrophobic surface has been considered a new and promising anti-corrosion technology recently.A super-hydrophobic film has been fabricated on Cu-Ni alloy(B30) substrates by chemical etching and self-assembly.The effects of etching process and self-assembly technology on the property of filmed B30 had been investigated by means of contact angle measurement and electrochemical test.The results show that suitable surface roughness played a vital role in preparing super-hydrophobic surface with excellent corrosion resistance in comparison with the electrochemical test results of different hydrophobic B30 surface.Moreover,the results indicated that the corrosion resistance of B30 in 3.5%NaCl solution could greatly improved by the super-hydrophobic surface (contact angle 152.8°),and the inhibition efficiency reached 96.1%.
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