材料科学
塔菲尔方程
环氧树脂
介电谱
石墨烯
盐雾试验
腐蚀
复合数
复合材料
涂层
电化学
纳米技术
电极
物理化学
化学
作者
Liu Shuan,Lin Gu,Haichao Zhao,Jianmin Chen,Haibin Yu
标识
DOI:10.1016/j.jmst.2015.12.017
摘要
Graphene (G) was dispersed uniformly in water and used as an inhibitor in waterborne epoxy coatings. The effect of dispersed G on anticorrosion performance of epoxy coatings was evaluated. The composite coatings displayed outstanding barrier properties against H2O molecule compared to the neat epoxy coating. Open circuit potential (OCP), Tafel and electrochemical impedance spectroscopy (EIS) analysis confirmed that the corrosion rate exhibited by composite coatings with 0.5 wt% G was an order of magnitude lower than that of neat epoxy coating. Salt spray test results revealed superior corrosion resistance offered by the composite coating.
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