Abstract
A laser-jet electrodeposition step-by-step processing was used to fabricate a superhydrophobic surface with excellent performance on the SUS304 substrate. Firstly, different micro structures were obtained by laser texturing on the surface of the SUS304 substrate. Secondly, Ni-MoS2 composite coating was deposited on the SUS304 substrate with microstructure by jet electrodeposition. Previous research has shown that different sizes of microstructures can be processed on the substrate surface and exhibit different wettability if changing the scanning pitch of laser textures. Superhydrophobic surfaces with contact angles up to 156 ° and 151.5 ° were obtained when jet electrodeposited on the basis of laser scanning pitches with 1 and 1.5 times the laser spot diameter. Compared with hydrophobic surfaces only by the laser, the superhydrophobic surfaces have shown superior corrosion resistance and self-cleaning properties. In addition, the superhydrophobic surface produced by the two-step laser-jet electrodeposition still exhibits good superhydrophobicity after undergoing friction, which indicates that the superhydrophobic surface has excellent mechanical stability by two-step laser-jet electrodeposition.
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