Synergistic Effect of Phytic Acid and Benzyltrimethyl Ammonium Bromide on Corrosion Inhibition of Carbon Steel in 0.5 M HCl

被引：4

作者：

Zhang, Weipeng ^{[1
]}

Zhang, Zhe ^{[1
]}

Li, Wenwu ^{[1
]}

Huang, Xiaodong ^{[1
]}

Ruan, Le ^{[1
]}

Wu, Ling ^{[2
]}

机构：

[1] Guilin Univ Technol, Coll Chem & Bioengn, Guangxi Key Lab Electrochem & Magnetochem Funct M, Guilin 541004, Peoples R China

[2] Shandong Univ, Sch Chem & Chem Engn, Jinan 250100, Shandong, Peoples R China

来源：

INTERNATIONAL JOURNAL OF ELECTROCHEMICAL SCIENCE | 2019年 / 14卷 / 08期

关键词：

Phytic acid; corrosion inhibition; HCl solution; dynamic simulations; MILD-STEEL; COPPER CORROSION; INDIGO CARMINE; ADSORPTION; DERIVATIVES; IRON; PERFORMANCE; BEHAVIOR; EXTRACT; SURFACE;

D O I：

10.20964/2019.08.30

中图分类号：

O646 [电化学、电解、磁化学];

学科分类号：

081704 ;

摘要：

The synergistic corrosion inhibition effect of phytic acid (PA) and benzyltrimethyl ammonium bromide (BAB) on 1045 carbon steel (CS) in 0.5 M HCl is reported. Electrochemical measurements showed that PA and BAB can reduce the corrosion rate of 1045 CS in HCl solution and act as excellent corrosion inhibitors. The best inhibition efficiency eta(1) of the combination inhibitor of PA with BAB is 90.6%. SEM images of the corroded steel surfaces suggest that the PA and BAB are simultaneously adsorbed on the CS surface to inhibit the corrosion of iron. The synergistic inhibition mechanism is investigated by dynamic simulations and quantum chemistry.

引用

页码：7348 / 7362

页数：15

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