Mild Steel Corrosion Inhibition by Benzotriazole in 0.5M Sulfuric Acid Solution on Rough and Smooth Surfaces

被引：3
|
作者：
Amini, M. [1 ]
Aliofkhazraei, M. [1 ]
Kashani, A. H. Navidi [2 ]
Rouhaghdam, A. Sabour [1 ]
机构：
[1] Tarbiat Modares Univ, Dept Mat Engn, POB 14115-143, Tehran, Iran
[2] Univ Tehran, Sch Met & Mat Engn, Coll Engn, Tehran, Iran
来源：
INTERNATIONAL JOURNAL OF ELECTROCHEMICAL SCIENCE | 2017年 / 12卷 / 09期
关键词：
Benzotriazole; Corrosion; Mild Steel; Roughness; Sulfuric Acid; M HCL SOLUTION; HYDROCHLORIC-ACID; CARBON-STEEL; IMPEDANCE SPECTROSCOPY; ORGANIC-COMPOUNDS; AQUEOUS EXTRACT; ADSORPTION; DERIVATIVES; COPPER; BEHAVIOR;
D O I：
10.20964/2017.09.70
中图分类号：
O646 [电化学、电解、磁化学];
学科分类号：
081704 ;
摘要：
The corrosion inhibition of benzotriazole in 0.5 M sulfuric acid solution is evaluated on the mild steel specimens with two amounts of surface roughness. Benzotriazole adsorption on mild steel surface followed Langmuir isotherm. The corrosion inhibitor has generally physisorption on both surfaces. The results obtained by the different experimental methods showed good agreement with each other. Results of FUR test showed a peak related to C-H bond for both surfaces as a proof of the presence of benzotriazole on the steel's surface which its intensity was higher for rough surface because of more adsorption of corrosion inhibitor on the surface.
引用
收藏
页码：8708 / 8732
页数：25
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