Corrosion Inhibition of Mild Steel in 2M HCI by a Schiff Base Derivative

被引：25

作者：

Kumari, Preethi P. ^{[1
]}

Rao, Suma A. ^{[1
]}

Shetty, Prakash ^{[2
]}

机构：

[1] Manipal Univ, Dept Chem, Manipal Inst Technol, Manipal 576104, Karnataka, India

[2] Manipal Univ, Dept Printing & Media Engn, Manipal Inst Technol, Manipal 576104, Karnataka, India

来源：

INTERNATIONAL CONFERENCE ON ADVANCES IN MANUFACTURING AND MATERIALS ENGINEERING (ICAMME 2014) | 2014年 / 5卷

关键词：

Mild steel; Tafel polarization; Electrochemical impedance; Physisorption; THERMODYNAMIC CHARACTERIZATION; ADSORPTION PROPERTIES; METAL DISSOLUTION; ACID SYSTEM;

D O I：

10.1016/j.mspro.2014.07.293

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

The inhibition effect and adsorption behavior N'-[4-(dimethylamino) benzylidene]-4-hydroxybenzohydrazide (DABBH) of on mild steel in 2 M hydrochloric acid solution were studied by potentiodynamic polarization, electrochemical impedance spectroscopy (EIS). The inhibition efficiency increases with increase in DABBH concentration and decreases with increase in temperature. Potentiodynamic polarization studies showed that DABBH acted as mixed type of inhibitor. The adsorption process of DABBH at the mild steel/hydrochloric acid solution interface is follows mixed adsorption and obeyed Langmuir adsorption isotherm model. The activation and thermodynamic parameters for the corrosion inhibition process were calculated and discussed. (C) 2014 Published by Elsevier Ltd.

引用

页码：499 / 507

页数：9

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