Corrosion inhibition mechanism of carbon steel by sodium N,N-diethyl dithiocarbamate in hydrochloric acid solution

被引：20
|
作者：
Fan, HB [1 ]
Wang, HL [1 ]
Guo, XP [1 ]
Zheng, JS [1 ]
机构：
[1] Huazhong Univ Sci & Technol, Dept Chem, Wuhan, Peoples R China
来源：
ANTI-CORROSION METHODS AND MATERIALS | 2002年 / 49卷 / 04期
关键词：
corrosion inhibitors; steel; acids;
D O I：
10.1108/00035590210431782
中图分类号：
TF [冶金工业];
学科分类号：
0806 ;
摘要：
The effect of sodium N,N-diethyl dithiocarbamate (SDEDTC) on the corrosion of carbon steel in 0.5mol/L hydrochloric acid (HCl) solution was studied using weight loss, potentiodynamic polarisation curves and impedance measurement methods. Experimental results revealed that SDEDTC acted as an inhibitor in acid environments. Moreover, the compound was a mixed-type inhibitor, acting predominantly as a cathodic inhibitor. Inhibition efficiency increased with increasing SDEDTC concentration at different temperatures. The corrosion inhibition mechanism of SDEDTC for carbon steel in HCl solution was also investigated by impedance techniques.
引用
收藏
页码：270 / 276
页数：7
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