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Fabrication of ZnO–GO hybrid for enhancement of chemically bonded phosphate ceramic coatings corrosion protection performance on AISI304L stainless steel
International Journal of Applied Ceramic Technology ( IF 2.1 ) Pub Date : 2020-07-04 , DOI: 10.1111/ijac.13584
Hao Tang 1 , Yaxuan Liu 1 , Da Bian 1, 2 , Yongxin Guo 1 , Yongwu Zhao 1, 2
Affiliation  

In this paper, a solvothermal method is used to prepare nano‐sized zinc oxide‐graphene oxide (ZnO–GO) hybrid, and the ZnO–GO hybrid is characterized by X‐ray diffraction analysis, Raman, Fourier transform infrared spectroscopy, and scanning electron microscopy. In addition, chemically bonded phosphate ceramics coatings with different content of ZnO–GO hybrid are prepared on the stainless steel through the sol‐gel method. The corrosion performance of the coatings is evaluated by electrochemical properties and the analysis of the surface and cross morphology of the coating. Results indicate ZnO–GO hybrid significantly enhances the compactness and corrosive behavior of the coating because the overlapping structure of GO flake improves the barrier performance of the coating. Besides, ZnO nanoparticles on the surface of GO can react with aluminum dihydrogen phosphate binder, in that case the adhesion between GO and the coating is improved.

中文翻译:

ZnO-GO杂化材料的制造,以增强化学键合的磷酸盐陶瓷涂层对AISI304L不锈钢的腐蚀防护性能

本文采用溶剂热法制备了纳米级氧化锌-氧化石墨烯(ZnO-GO)杂化物,并通过X射线衍射分析,拉曼光谱,傅立叶变换红外光谱和扫描电镜对ZnO-GO杂化物进行了表征。电子显微镜。此外,通过溶胶-凝胶法在不锈钢上制备了具有不同ZnO-GO杂化含量的化学键合磷酸盐陶瓷涂层。涂层的腐蚀性能通过电化学性能以及对涂层的表面和交叉形态的分析来评估。结果表明,ZnO-GO杂化物显着增强了涂层的致密性和腐蚀性能,因为GO鳞片的重叠结构改善了涂层的阻隔性能。除了,
更新日期:2020-07-04
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