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Preparation and Properties of CuO Superhydrophobic Coating on X90 Pipeline Steel |
Xiangxiang HAN, Sirong YU( ), Hao LI, Jinhui HU |
College of Mechanical and Electronic Engineering,China University of Petroleum,Qingdao 266580,China |
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Cite this article:
Xiangxiang HAN, Sirong YU, Hao LI, Jinhui HU. Preparation and Properties of CuO Superhydrophobic Coating on X90 Pipeline Steel. Chinese Journal of Materials Research, 2017, 31(9): 672-678.
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Abstract Superhydrophobic coating of CuO was prepared on X90 pipeline steel substrate by a three step process, i.e. first a Cu protective layer was electrodeposited on the substrate, which then was treated by hydrothermal reaction and finally modified with perfluorooctanoic solution. The phase constitution, microstructure, chemical composition, and wettability of the coating were investigated by X-ray diffractometer, scanning electron microscope, Fourier transform infrared spectrometer, and contact angle tester. Its mechanical stability, anti-adhesion behavior and corrosion resistance were also examined. The results show that the perfluorooctanoic was successfully grafted on the surface of coating consisted of petal-like CuO with micro-nano hybrid structure. The contact angle of water to the coating surface was 161.24°, and the sliding angle was about 3°. Meanwhile, the as-prepared coating surface exhibits excellent mechanical stability, anti-adhesion behavior and corrosion resistance.
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Received: 19 July 2016
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Fund: Supported by National Natural Science Foundation of China (No.51075184) |
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