Experimental and theoretical study of corrosion inhibition of 3-pyridinecarbozalde thiosemicarbazone for mild steel in hydrochloric acid

Bin Xu; Ying Liu; Xiaoshuang Yin; Wenzhong Yang; Yizhong Chen

doi:10.1016/j.corsci.2013.04.044

Experimental and theoretical study of corrosion inhibition of 3-pyridinecarbozalde thiosemicarbazone for mild steel in hydrochloric acid

Bin Xu, Ying Liu, Xiaoshuang Yin, Wenzhong Yang, Yizhong Chen

School of Chemistry and Moleculai Engineering

Changzhou University

Research output: Contribution to journal › Article › peer-review

175 Scopus citations

Abstract

The corrosion inhibition effect of 3-pyridinecarboxaldehyde thiosemicarbazone (3-PCT) on mild steel was studied in 1. M HCl solution by means of weight loss, potentiodynamic polarization and electrochemical impedance spectroscopy (EIS) measurements. The surface morphology of mild steel was examined with scanning electron microscopy (SEM) and the mechanism of inhibition was determined by the potential of zero charge (PZC) measurement at the metal-solution interface. Then molecular dynamics simulations were also executed for 3-PCT. The results show that 3-PCT is a good corrosion inhibitor, retarding both cathodic and anodic reactions in hydrochloric acid. The adsorption of 3-PCT on the mild steel surface obeys the Langmuir isotherm, and the thermodynamic parameters (Kads,Ea,δGads0) were also determined and discussed.

Original language	English
Pages (from-to)	206-213
Number of pages	8
Journal	Corrosion Science
Volume	74
DOIs	https://doi.org/10.1016/j.corsci.2013.04.044
State	Published - Sep 2013

Keywords

A. Mild steel
B. EIS
B. Weight loss
C. Acid corrosion

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10.1016/j.corsci.2013.04.044

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title = "Experimental and theoretical study of corrosion inhibition of 3-pyridinecarbozalde thiosemicarbazone for mild steel in hydrochloric acid",

abstract = "The corrosion inhibition effect of 3-pyridinecarboxaldehyde thiosemicarbazone (3-PCT) on mild steel was studied in 1. M HCl solution by means of weight loss, potentiodynamic polarization and electrochemical impedance spectroscopy (EIS) measurements. The surface morphology of mild steel was examined with scanning electron microscopy (SEM) and the mechanism of inhibition was determined by the potential of zero charge (PZC) measurement at the metal-solution interface. Then molecular dynamics simulations were also executed for 3-PCT. The results show that 3-PCT is a good corrosion inhibitor, retarding both cathodic and anodic reactions in hydrochloric acid. The adsorption of 3-PCT on the mild steel surface obeys the Langmuir isotherm, and the thermodynamic parameters (Kads,Ea,δGads0) were also determined and discussed.",

keywords = "A. Mild steel, B. EIS, B. Weight loss, C. Acid corrosion",

author = "Bin Xu and Ying Liu and Xiaoshuang Yin and Wenzhong Yang and Yizhong Chen",

year = "2013",

month = sep,

doi = "10.1016/j.corsci.2013.04.044",

language = "英语",

volume = "74",

pages = "206--213",

journal = "Corrosion Science",

issn = "0010-938X",

publisher = "Elsevier Ltd",

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TY - JOUR

T1 - Experimental and theoretical study of corrosion inhibition of 3-pyridinecarbozalde thiosemicarbazone for mild steel in hydrochloric acid

AU - Xu, Bin

AU - Liu, Ying

AU - Yin, Xiaoshuang

AU - Yang, Wenzhong

AU - Chen, Yizhong

PY - 2013/9

Y1 - 2013/9

N2 - The corrosion inhibition effect of 3-pyridinecarboxaldehyde thiosemicarbazone (3-PCT) on mild steel was studied in 1. M HCl solution by means of weight loss, potentiodynamic polarization and electrochemical impedance spectroscopy (EIS) measurements. The surface morphology of mild steel was examined with scanning electron microscopy (SEM) and the mechanism of inhibition was determined by the potential of zero charge (PZC) measurement at the metal-solution interface. Then molecular dynamics simulations were also executed for 3-PCT. The results show that 3-PCT is a good corrosion inhibitor, retarding both cathodic and anodic reactions in hydrochloric acid. The adsorption of 3-PCT on the mild steel surface obeys the Langmuir isotherm, and the thermodynamic parameters (Kads,Ea,δGads0) were also determined and discussed.

AB - The corrosion inhibition effect of 3-pyridinecarboxaldehyde thiosemicarbazone (3-PCT) on mild steel was studied in 1. M HCl solution by means of weight loss, potentiodynamic polarization and electrochemical impedance spectroscopy (EIS) measurements. The surface morphology of mild steel was examined with scanning electron microscopy (SEM) and the mechanism of inhibition was determined by the potential of zero charge (PZC) measurement at the metal-solution interface. Then molecular dynamics simulations were also executed for 3-PCT. The results show that 3-PCT is a good corrosion inhibitor, retarding both cathodic and anodic reactions in hydrochloric acid. The adsorption of 3-PCT on the mild steel surface obeys the Langmuir isotherm, and the thermodynamic parameters (Kads,Ea,δGads0) were also determined and discussed.

KW - A. Mild steel

KW - B. EIS

KW - B. Weight loss

KW - C. Acid corrosion

UR - http://www.scopus.com/inward/record.url?scp=84879414440&partnerID=8YFLogxK

U2 - 10.1016/j.corsci.2013.04.044

DO - 10.1016/j.corsci.2013.04.044

M3 - 文章

AN - SCOPUS:84879414440

SN - 0010-938X

VL - 74

SP - 206

EP - 213

JO - Corrosion Science

JF - Corrosion Science

ER -

Experimental and theoretical study of corrosion inhibition of 3-pyridinecarbozalde thiosemicarbazone for mild steel in hydrochloric acid

Abstract

Keywords

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