Combined wet chemical etching and anodic oxidation for obtaining the superhydrophobic meshes with anti-icing performanceстатья
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Дата последнего поиска статьи во внешних источниках: 19 февраля 2018 г.
Аннотация:The superhydrophobic state of surface of AMG2 aluminum alloy meshes was obtained by wet chemical etching in mixture of HCl and HF, anodic oxidation in phosphoric acid solution, and chemisorption of fluorooxysilane. Testing of fabricated coatings against long term contact with high-octane gasoline and water indicates very high chemical resistance of superhydrophobic coatings. The anti-icing potential of fabricated superhydrophobic meshes with respect to deionized and salt water was estimated by analysing the work of adhesion of supercooled droplets, the adhesion of iced droplets to the superhydrophobic mesh, and the freezing statistics. The detected freezing delay for both deionized and salt water amounts several hours allowing the removal of the droplets before freezing due to their rolloff under wind or vibration loads.