Super-hydrophobic surface with wave structure, applied to freezing prevention, and preparation method for same
A technology of super-hydrophobic surface and wave structure, which is applied in the field of surface treatment of metal substrates to achieve the effects of reducing solid-liquid contact time, high efficiency and easy operation
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Embodiment 1
[0026] A method for preparing an anti-icing wave-structured superhydrophobic surface of the present embodiment comprises the following specific steps:
[0027] The first step is to select the base material, and process the wave structure on the base material by wire-cut finishing technology;
[0028] In this example, the selected base material is industrial pure copper with a purity greater than 99%. The wire cutting machine used for wire cutting finishing is DK7732E CNC fast-feeding wire cutting machine, and the dimensional processing accuracy is less than 0.015mm. The processed wave structure is a concave-convex semi-cylindrical structure with a diameter of 8mm. The structure is as follows: figure 1 shown.
[0029] The second step is to pretreat the wave structure obtained in the first step, and prepare a hydrophobic micron flower structure on the surface of the wave structure by wet etching;
[0030] First use 1mol / L dilute hydrochloric acid solution to etch and clean to...
Embodiment 2
[0034] A method for preparing an anti-icing wave-structured superhydrophobic surface of the present embodiment comprises the following specific steps:
[0035] The first step is to select the base material, and process the wave structure on the base material by wire-cut finishing technology;
[0036] In this example, the selected base material is industrial pure copper with a purity greater than 99%. The wire cutting machine used for wire cutting finishing is DK7732E CNC fast-feeding wire cutting machine, and the dimensional processing accuracy is less than 0.015mm. The processed wave structure is a concave-convex semi-cylindrical structure with a diameter of 15 mm.
[0037] The second step is to pretreat the wave structure obtained in the first step, and prepare a hydrophobic micron flower structure on the surface of the wave structure by wet etching;
[0038] First use 1mol / L dilute hydrochloric acid solution to etch and clean to remove the surface oxidation / hydroxide film...
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