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Electrochemical and quantum chemical assessment of two organic compounds from pyridine derivatives as corrosion inhibitors for mild steel in HCl solution under stagnant condition and hydrodynamic flow

Kosari,A, Moayed,MH, Davoodi,A, Parvizi,R, Momeni,M, Eshghi,H and Moradi,H 2014, Electrochemical and quantum chemical assessment of two organic compounds from pyridine derivatives as corrosion inhibitors for mild steel in HCl solution under stagnant condition and hydrodynamic flow, Corrosion science, vol. 78, pp. 138-150, doi: 10.1016/j.corsci.2013.09.009.

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Title Electrochemical and quantum chemical assessment of two organic compounds from pyridine derivatives as corrosion inhibitors for mild steel in HCl solution under stagnant condition and hydrodynamic flow
Author(s) Kosari,A
Moayed,MH
Davoodi,A
Parvizi,R
Momeni,M
Eshghi,H
Moradi,H
Journal name Corrosion science
Volume number 78
Start page 138
End page 150
Publisher Elsevier
Place of publication Oxford, England
Publication date 2014-01
ISSN 0010-938X
1879-0496
Summary  In this study, the inhibitive performance of two pyridine derivatives as corrosion inhibitors for mild steel was examined under stagnant condition and hydrodynamic flow in HCl solution at 25. °C. Potentiodynamic polarization and electrochemical impedance spectroscopy (EIS) techniques were employed. To explore the inhibitors adsorption mechanism, Langmuir isotherm and quantum chemical studies were used. The results of electrochemical measurements show that the inhibitor concentration has a positive effect on its efficiency while for hydrodynamic condition, it is vice versa. Corrosion attack morphologies were observed at stagnant and hydrodynamic conditions to verify qualitatively the results obtained by electrochemical methods. © 2013 Elsevier Ltd.
Language eng
DOI 10.1016/j.corsci.2013.09.009
Field of Research 091207 Metals and Alloy Materials
030604 Electrochemistry
Socio Economic Objective 970109 Expanding Knowledge in Engineering
HERDC Research category C1.1 Refereed article in a scholarly journal
ERA Research output type C Journal article
Copyright notice ©2014, Elsevier
Persistent URL http://hdl.handle.net/10536/DRO/DU:30072085

Document type: Journal Article
Collection: School of Engineering
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