[1] Coll. of Mat. Sci. and Eng., Shenyang Univ. of Technol., Shenyang 110023, China
[2] Lab. for Corrosion and Protection, Inst. of Metals Res., Chinese Acad. of Sci., Shenyang 110016, China
[3] Coll. of Mat. and Metall., Northeastern Univ., Shenyang 110004, China
[4] Dept. of Indust. and Syst. Eng., Hong Kong Polytech. Univ., Hong Kong, Hong Kong