Corrosion Science, ( ISI ), Volume (78), No (2), Year (2014-2) , Pages (138-150)

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 )

Authors: Ali Kosari , Mohammad Hadi Moayed , Ali Davoodi , Reza Parvizi , Mojtaba Momeni , Hossein Eshghi , hassanali moradi ,

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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 0C. 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.

Keywords

, Mild steel, EIS , Polarization, Acid
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@article{paperid:1037363,
author = {Kosari, Ali and Moayed, Mohammad Hadi and Davoodi, Ali and Parvizi, Reza and Momeni, Mojtaba and Eshghi, Hossein and Moradi, Hassanali},
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},
journal = {Corrosion Science},
year = {2014},
volume = {78},
number = {2},
month = {February},
issn = {0010-938X},
pages = {138--150},
numpages = {12},
keywords = {Mild steel، EIS ، Polarization، Acid inhibition},
}

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%0 Journal Article
%T 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
%A Kosari, Ali
%A Moayed, Mohammad Hadi
%A Davoodi, Ali
%A Parvizi, Reza
%A Momeni, Mojtaba
%A Eshghi, Hossein
%A Moradi, Hassanali
%J Corrosion Science
%@ 0010-938X
%D 2014

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