Preparation and Properties of Chemically Bonded Ceramic Coatings Reinforced by GO-TiO2 composites

被引：7
|
作者：
Guo, Yongxin [1 ]
Bian, Da [1 ]
Zhao, Yongwu [1 ]
机构：
[1] Jiangnan Univ, Coll Mech Engn, Wuxi 214100, Jiangsu, Peoples R China
来源：
RUSSIAN JOURNAL OF APPLIED CHEMISTRY | 2019年 / 92卷 / 06期
基金：
中国国家自然科学基金;
关键词：
Graphene oxide; titanium dioxide; chemically bonded ceramic coatings; corrosion resistance; CORROSION-RESISTANCE; OXIDE HYBRID; ALUMINA; PROTECTION; PERFORMANCE;
D O I：
10.1134/S1070427219060156
中图分类号：
O69 [应用化学];
学科分类号：
081704 ;
摘要：
Graphene oxide (GO) decorated by titanium dioxide (TiO2) was fabricated and introduced into the chemically bonded ceramic coatings as a nanofiller. The analysis of the results of thermogravimetric analysis (TGA), X-ray diffraction (XRD), scanning electronic microscopy (SEM), and transmission electron microscopy (TEM) show that TiO2 has decorated on the surface of GO by chemical bonds. Furthermore, the effect of incorporating GO-TiO2 on properties of ceramic coatings was investigated. The results show that GO-TiO2 achieved a homogeneous dispersion and compatibility in ceramic matrix without obvious cracks. The potentiodynamic polarization test was conducted to investigate the influence of GO-TiO2 on the corrosion behavior. The results demonstrated that corrosion resistance of ceramic coatings remarkably enhanced by adding GO-TiO2. Furthermore, the anticorrosive mechanisms of ceramic coatings with GO-TiO2 were tentatively discussed.
引用
收藏
页码：842 / 847
页数：6
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