Corrosion Inhibition of Carbon Steel in 0.5M HCl by Monopropianate

被引：0
|
作者：
Lopez-Sesenes, R. [1 ]
Gonzalez-Rodriguez, J. G. [1 ]
Casales, M. [2 ]
Martinez, L. [2 ,3 ]
Sanchez-Ghenno, J. C. [3 ,4 ]
机构：
[1] Univ Autonoma Estado Morelos, CIICAp, Cuernavaca 62209, Morelos, Mexico
[2] Univ Nacl Autonoma Mexico, Inst Ciencias Fis, Cuernavaca 62209, Morelos, Mexico
[3] Corros & Protecc AC, Cuernavaca, Morelos, Mexico
[4] PEMEX DCO Torre Ejecutiva, Mexico City 11311, DF, Mexico
来源：
INTERNATIONAL JOURNAL OF ELECTROCHEMICAL SCIENCE | 2011年 / 6卷 / 06期
关键词：
Carbon steel; corrosion inhibitor; hydrochloric acid; MILD-STEEL; HYDROCHLORIC-ACID; DERIVATIVES; ADSORPTION;
D O I：
暂无
中图分类号：
O646 [电化学、电解、磁化学];
学科分类号：
081704 ;
摘要：
A study of monopropianate (N-Coco alkyl aminopropionic acid) as a corrosion inhibitor for carbon steel in 0.5M HCl has been carried out by using weight loss and electrochemical tests, namely potentiodynamic polarization curves and electrochemical impedance spectroscopy at 25, 40 and 60 degrees C. Results have shown that monopropianate is a good inhibitor for the corrosion of 1018 carbon steel in this acidic environment. Inhibitor efficiency increases with increasing the inhibitor concentration but decreases with an increase in the testing temperature. Inhibitor efficiency increases with time at 25 degrees C but at higher temperatures it decreases. This is explained in terms of corrosion process control and inhibitor adsorption isotherm.
引用
收藏
页码：1772 / 1784
页数：13
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