<abstract xmlns="http://www.w3.org/1999/xhtml"><p> The behavior of E400 steel, a constructional steel widely used in Senegal, was studied in aqueous NaCl solution in the presence of two types of clay: volcanic tuffs, and sedimentary montmorillonite. The protection efficiency of these compounds were electrochemically assessed (corrosion potential variation curves, polarization curves and electrochemical impedance spectroscopy) at various inhibitor contents. The results obtained showed that these inhibitors present an inhibitory efficacy of about 70% for an optimal concentration of 0.60% for the tuffs and 62% for a maximum content of 0.50% for montmorillonite.</p></abstract>

The behavior of E400 steel, a constructional steel widely used in Senegal, was studied in aqueous NaCl solution in the presence of two types of clay: volcanic tuffs, and sedimentary montmorillonite. The protection efficiency of these compounds were electrochemically assessed (corrosion potential variation curves, polarization curves and electrochemical impedance spectroscopy) at various inhibitor contents. The results obtained showed that these inhibitors present an inhibitory efficacy of about 70% for an optimal concentration of 0.60% for the tuffs and 62% for a maximum content of 0.50% for montmorillonite.

Clays valorization as corrosion inhibitors for E400 reinforcing steel

UFR Sciences & Technologies, Université de Thiès, Thiès, Sénégal

Laboratoire de Chimie Physique Organique et d’Analyses Environnementales, Département de Chimie, Faculté des Sciences et Techniques, Université Cheikh Anta Diop, Dakar, Sénégal

Institut des Sciences de la Terre (IST), BP 5396, Faculté des Sciences et Techniques, Université Cheikh Anta Diop, Dakar, Sénégal

Ovidius University Annals of Chemistry

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License.

{"article-title":"Clays valorization as corrosion inhibitors for E400 reinforcing steel"}

The behavior of E400 steel, a constructional steel widely used in Senegal, was studied in aqueous NaCl solution in the presence of two types of clay: volcanic...

Clays valorization as corrosion inhibitors for E400 reinforcing steel

Published Online: Jun 28, 2016

Page range: 28 - 35

Received: Dec 20, 2015

Accepted: Jan 18, 2016

DOI: https://doi.org/10.1515/auoc-2016-0001

© Ovidius University Press

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License.