Corrosion Behavior of Mild Steel in the Presence of Urea, Sodium Chloride, Potassium Chloride, and Glycine: A Kinetic and Potentiodynamic Polarization Study Approach

被引：0
作者：
Pramanik N. [1 ]
Kumar R. [2 ]
Ray A. [3 ]
Chaudhary V.K. [4 ]
Ghosh S. [5 ]
机构：
[1] Department of Chemistry, National Institute of Technology, Arunachal Pradesh, Itanagar
[2] Department of Computer Science & Engineering, Nalanda College of Engineering, Bihar, Nalanda
[3] Department of Microbiology, R.G. Kar Medical College & Hospital, West Bengal, Kolkata
[4] Department of Physics, Nalanda College of Engineering, Bihar, Nalanda
[5] Department of Chemistry, Nalanda College of Engineering, Bihar, Nalanda
来源：
Journal of Bio- and Tribo-Corrosion | 2022年 / 8卷 / 4期
关键词：
Activation energy; Atomic force microscopy (AFM); Corrosion; Kinetics; Mild steel; Potentiodynamic polarization;
D O I：
10.1007/s40735-022-00713-w
中图分类号：
学科分类号：
摘要：
Corrosion of mild steel in industries, mainly in chemical and allied industries, has tremendous impact in terms of economical point of view. In order to establish the corrosion behavior and mechanism, a series of experiments have been executed on corrosion of mild steel in various conditions systematically. Corrosion rate of mild steel in mixed and aqueous medium of urea, sodium chloride, potassium chloride, and glycine depends upon variation of temperature, concentration, and also with time. A comprehensive survey on corrosion of mild steel has been conducted for about 6 months. The variations in temperature, concentration, time, etc. have been studied and utilized in explaining the corrosion of mild steel. The corrosion products were analyzed spectrophotometrically to arrive the reaction mechanism and kinetics. Spectrophotometry was taken into consideration to determine the rate of corrosion under different environments. The rate constants for different systems have been calculated, and from the temperature dependence of the rate constants, activation parameters have been calculated systematically using the Arrhenius equation. Atomic force microscopy images of corroded rough surfaces at the micro-scale range show the extent of corrosion. Although potentiodynamic polarization investigation has been further performed to analyze quantitatively the corrosion behavior of mild steel. © 2022, The Author(s), under exclusive licence to Springer Nature Switzerland AG.
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