Inhibition Effects of Ethyl-2-Amino-4-Methyl-1,3-Thiazole-5-Carboxylate on the Corrosion of AA6061 Alloy in Hydrochloric Acid Media

被引：0
|
作者：
K. Raviprabha
Ramesh S. Bhat
机构：
[1] Shri Madhwa Vadiraja Institute of Technology and Management,Department of Chemistry
[2] N.M.A.M. Institute of Technology,Department of Chemistry
来源：
Journal of Failure Analysis and Prevention | 2019年 / 19卷
关键词：
AA6061; EIS; Polarization; SEM; Adsorption; Inhibitor; Chemisorptions; Corrosion rate;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
The corrosion inhibition efficiency of ethyl-2-amino-4-methyl-1,3-thiazole-5-carboxylate (EMTC) has been studied to prevent the corrosion of AA6061 alloy in 0.05 M HCl solution by weight loss, electrochemical impedance spectroscopy (EIS) and potentiodynamic polarization (Tafel) methods at temperatures 303–323 K. Ethyl-2-amino-4-methyl-1,3-thiazole-5-carboxylate acted as a mixed-type inhibitor, and its efficiency increased with the increase in inhibitor concentration and temperature. Chemisorptions on the metal surface are revealed by kinetic and thermodynamic parameters. A surface morphology study of polished, corroded and inhibited metal surfaces verified the formation of a protective film.
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页码：1464 / 1474
页数：10
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