采用原位椭圆偏振光谱法研究镁合金在模拟工业冷却水中的腐蚀及添加钼酸钠对腐蚀的抑制作用,利用单层膜模型解析椭圆偏振光谱实验数据,得到"电极-介质"界面层厚度及光学常数的动态变化规律,由此将镁合金在模拟冷却水中的腐蚀分为3个阶段:自然氧化膜溶解、吸附膜形成、腐蚀产物沉积,添加钼酸钠使腐蚀过程中自然氧化膜溶解减弱、吸附膜和沉积膜变得致密,从而有效抑制镁合金腐蚀.
参考文献
[1] | 阿查姆R M A,巴夏拉N M.梁民基,尹树百.椭圆偏振测量术和偏振光[M].北京:科学出版社,1986.261. |
[2] | Vedam K.Spectroscopic ellipsometry:a historical overview[J].Thin Solid Films,1998,313 -314:1. |
[3] | Fujiwara H.Spectroscopic Ellipsometry:Principles and Applications[M].John Wiley & Sons,Inc.,2007.5. |
[4] | Lei J L,Li L J,Kestecki R,et al.Characterization of the SEI layer on LiMn2O4 cathode with in situ spectroscopic ellipsometry[J].Journal of the Electrochemical Society,2005,152(4):A774. |
[5] | Li L J,Lei J L,Yu S H,et al.In situ ellipsometric studies of formation kinetics of rare earth metal conversion coatings on magnesium alloys[J].Physica Status Solidi (c),2008,5 (5):1308. |
[6] | 李凌杰,雷惊雷,于生海,等.钼酸盐对镁合金在模拟冷却水中腐蚀的抑制作用[J].化工学报,2008,59(5):1223. |
[7] | Dean J.Lange's Handbook of Chemistry(15th edition)[M].McGRAW-HILL,INC,1999.8,15. |
[8] | Mu G N,Li X H,Qu Q,et al.Molybdate and tungstate as corrosion inhibitors for cold rolling steel in hydrochloric acid solution[J].Corrosion Science,2006,48 (2):445. |
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