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Open Access A new route for the preparation of superhydrophobic surfaces via milling operation

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Mechanical operation is a promising attempt to develop superhydrophobic surfaces. But at present many methods are dependent on ultra-precision processing equipment and technology which increase the fabrication cost and limit their practical application. This paper discusses a simple and effective method to prepare superhydrophobic surfaces by a combination of milling operation on a common milling machine and stearic acid modification. By adjusting the rotational speed and feed rate, regular groove-like microstructures are fabricated on the machined aluminium alloy surfaces. The surfaces are superhydrophobic with water contact angles higher than 150° and sliding angles about 10° after the modification. The sample surfaces were characterized by scanning electron microscopy (SEM), Fourier transformed infrared (FTIR) spectroscopy and water contact angle measurements. The present method can have a good prospect in future industrial application due to its great efficiency, low cost and simple fabrication.

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Keywords: MICROSTRUCTURE; MILLING; SUPERHYDROPHOBIC; SURFACE; WETTABILITY

Document Type: Short Communication

Publication date: April 1, 2018

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  • Materials Express is a peer-reviewed multidisciplinary journal reporting emerging researches on materials science, engineering, technology and biology. Cutting-edge researches on the synthesis, characterization, properties, and applications of a very wide range of materials are covered for broad readership; from physical sciences to life sciences. In particular, the journal aims to report advanced materials with interesting electronic, magnetic, optical, mechanical and catalytic properties for industrial applications.
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