Effect of NO2- in the Corrosion Behavior of Cerium Based Conversion Coatings on AA6061-T6

被引：1
|
作者：
Kiyota, S. [1 ]
Valdez, B. [1 ]
Zlatev, R. [1 ]
Stoytcheva, M. [1 ]
Iniguez, C. [1 ]
机构：
[1] UABC, Engn Inst, Mexicali 21280, Baja California, Mexico
来源：
CORROSION POSTERS (GENERAL) - 218TH ECS MEETING | 2011年 / 33卷 / 30期
关键词：
MAGNESIUM; RESISTANCE; OXIDE;
D O I：
10.1149/1.3566085
中图分类号：
O646 [电化学、电解、磁化学];
学科分类号：
081704 ;
摘要：
Cerium based conversion coatings were immersion deposited on AA6061-T6 and characterized to determine the effect of NO2- as an additive in the conversion solution on the anticorrosion behavior. The NO2- addition to the cerium chloride and hydrogen peroxide solution improved the corrosion resistance and coating morphology. Electrochemical measurements were performed by potentiodynamic polarization (PDP) and electrochemical impedance spectroscopy (EIS) in 0.01 M NaCl aqueous solution and the coating morphology was analyzed by Atomic Force Microscopy (AFM).
引用
收藏
页码：23 / 30
页数：8
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