Title: Preparation and Performance of Super-Hydrophobic Surface on an Aluminum Alloy
Abstract:The aluminum alloy surfaces with micro-and nanostructures were fabricated by chemical etching method.After modification with ethylsilicone,the as-prepared surfaces show super-hydrophobic properties wi...The aluminum alloy surfaces with micro-and nanostructures were fabricated by chemical etching method.After modification with ethylsilicone,the as-prepared surfaces show super-hydrophobic properties with a water contact angle of up to 159° and sliding angle of smaller than 1°.The images and elements of the as-obtained surfaces were investigated by scanning electron microscopy(SEM)and X-ray photoelectron spectroscopy(XPS),respectively.Meanwhile,the effects of the solution concentration,reaction time and relative humidity on the super-hydrophobicity were investigated,as well as the relationship between contact angle and pH value of the solution was studied.Moreover,the stability and corrosion resistance of the super-hydrophobic surfaces were also tested.The results show that the optimal preparation conditions are 1.0 mol/L of ethylsilicone solution concentration,2.5 h of reaction time and 40%~55% of relative humidity.And all the as-prepared super-hydrophobic surfaces show long time stability and corrosion resistance.Read More
Publication Year: 2010
Publication Date: 2010-01-01
Language: en
Type: article
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