Journal
SURFACE ENGINEERING
Volume 34, Issue 8, Pages 596-602Publisher
TAYLOR & FRANCIS LTD
DOI: 10.1080/02670844.2017.1317423
Keywords
Superhydrophobic; hydrothermal; ZnO nanowire; drag reduction; anticorrosion
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Superhydrophobic surfaces have attracted significant attention because of their potential applications in various industrial fields. In this study, a chemical process for fabricating ZnO nanowires on steel substrates is developed by using a chemical etching and hydrothermal synthesis method. The resultant surface exhibits binary micro/nanostructures. The modified sample exhibits a water contact angle of 164.9 degrees and a sliding angle of 2.3 degrees for a 5-mu L water droplet. An experimental setup is created to measure the drag friction on the surface of the sample. Experimental results show that the drag reduction radio for the as-prepared sample is 40-50%.
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