Effects of copper and manganese cations on cerium-based conversion coating on galvanized steel:Corrosion resistance and microstructure characterizations

作     者：Farzaneh Khast Mesbah Saybani Ali Asghar Sarabi Dariani Farzaneh Khast;Mesbah Saybani;Ali Asghar Sarabi Dariani

作者机构：Corrosion Engineering and Material Protection GroupBandar Abbas CampusAmirkabir University of TechnologyTehranIran Department of Maritime EngineeringAmirkabir University of TechnologyTehranIran Department of Color and Polymer EngineeringAmirkabir University of TechnologyTehranIran 

出 版 物：《Journal of Rare Earths》 (稀土学报（英文版）)

年 卷 期：2022年第40卷第6期

页      面：1002-1006,I0006页

核心收录：

学科分类：080503[工学-材料加工工程] 0709[理学-地质学] 0819[工学-矿业工程] 08[工学] 0708[理学-地球物理学] 0805[工学-材料科学与工程（可授工学、理学学位）] 

基　　金：Amirkabir University of Technology  AUT 

主　　题：Conversion coating Galvanized steel EIS Copper Manganese Rare earths 

摘      要：The cerium conversion coating(CeCC) containing copper and manganese cations was applied to the galvanized steel.The microstructure and the composition of specimen were analyzed by field emission scanning electron microscopy(FE-SEM) and energy dispersive spectroscopy(EDS).Electrochemical impedance spectroscopy(EIS) and polarization tests were conducted in 3.5 wt% NaCl solution to investigate the coating corrosion resistance.The results show that there are improvements in corrosion resistance and microstructure of CeCC containing copper and manganese cations but copper ions increase corrosion resistance of CeCC from 5800 to 27000 Ω·cm^(2).