1. Corrosion and Protection Laboratory Key Laboratory of Superlight Materials and Surface Technology Ministry of Education Harbin Engineering University Harbin 150001 China
2. Corrosion and Protection Institute School of Chemical Engineering and Technology (Zhuhai 519082) Sun Yat-sen University Harbin 519082 P. R. China
3. Corrosion and Protection Division Shenyang National Laboratory for Material Science Northeastern University NO. 3-11, Wenhua Road, Heping District Shenyang Liaoning 110819 China