INORGANIC MATERIALS AND CERAMIC MATRIX COMPOSITES |
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Fabrication of Ni3S2 Micro-nanostructure Superhydrophobic Surface with Anti-corrosion Property |
YIN Xiaoli, YU Sirong, HU Jinhui
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School of Materials Science and Engineering, China University of Petroleum (East China), Qingdao 266580 |
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Abstract With the rapid development of surface science and bionics, superhydrophobic materials have become a hot issue in current research, and their excellent properties have a very broad application prospect. In this paper, a Ni3S2 micro-nano composite structure was grew directly on the nickel foam by hydrothermal reaction, then the superhydrophobic surface with excellent properties was obtained after modification by tetradecanoic acid. The effects of reaction temperature and time on the water contact angles were investigated. It was found that the properties of the superhydrophobic surface were optimal while the reaction temperature was 180 ℃ and the reaction time was 6 h so that the static contact angle was up to 160.28°. Scanning electron microscopy was used to observe the microstructure of the superhydrophobic surface, and the interleaved cone arrays were found on the substrates. The chemical compositions of the superhydrophobic surface were analyzed by X-ray diffractometer and energy dispersive spectrometer. It was worth noting that a new Ni3S2 phase was formed compared to the nickel foam. The properties of the superhydrophobic surface were tested, finding that the surface had good acid and alkali resistance and corrosion resistance.
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Published: 29 August 2019
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About author:: Xiaoli Yin, Ph.D. student of China University of Petroleum (East China), graduated from China University of Petroleum (East China) in 2017 and obtained the qualification of Ph.D. She has published 1 paper and 2 utility model patents. Her main research direction is material compounding and interface.Sirong Yu, professor of China University of Petroleum (East China), Ph.D. tutor, has long been engaged in metal matrix composites, foundry alloy materials, material tribology, surface engineering and other aspects of research. He has completed lots of the National Natural Science of funds, provincial and ministerial level and enterprises. More than 300 papers have published in famous publications and academic conferences at home and abroad. He has obtained 8 national invention patents and 8 utility model patents, and was awarded the title of “Young and Middle-aged Professional Talents with Outstanding Contributions in Jilin Pro-vince”, selected into the “New Century Excellent Talent Support Program” of the Ministry of Education and won the special government allowance from the State Council. |
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