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Effect of amino alcohol-based corrosion inhibitor addition on galvanized reinforcements in alkaline solutions

Herrera-Nunez, M.J. / Torres-Acosta, A.A. / Alonso, M.C. / Perez-Quiroz, J.T. / Martiez-Madrid, M.

This investigation presents electrochemical analyses of galvanized steel reinforcements in alkaline solutions simulating a concrete-pore environment, in which a commercially available corrosion inhibitor was used. Half-cell potentials and linear polarization resistance were used to determine if the selected inhibitor decreases the corrosion activity of the galvanized coating when the galvanized rebar is in contact with high-pH solutions. Results show a remarkable decrease on passivation times between the solutions with inhibitor vs. without inhibitor.

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Effect of amino alcohol-based corrosion inhibitor addition on galvanized reinforcements in alkaline solutions

Herrera-Nunez, M.J. / Torres-Acosta, A.A. / Alonso, M.C. / Perez-Quiroz, J.T. / Martiez-Madrid, M.

This investigation presents electrochemical analyses of galvanized steel reinforcements in alkaline solutions simulating a concrete-pore environment, in which a commercially available corrosion inhibitor was used. Half-cell potentials and linear polarization resistance were used to determine if the selected inhibitor decreases the corrosion activity of the galvanized coating when the galvanized rebar is in contact with high-pH solutions. Results show a remarkable decrease on passivation times between the solutions with inhibitor vs. without inhibitor.

Effect of amino alcohol-based corrosion inhibitor addition on galvanized reinforcements in alkaline solutions

Herrera-Nunez, M.J. / Torres-Acosta, A.A. / Alonso, M.C. / Perez-Quiroz, J.T. / Martiez-Madrid, M.

This investigation presents electrochemical analyses of galvanized steel reinforcements in alkaline solutions simulating a concrete-pore environment, in which a commercially available corrosion inhibitor was used. Half-cell potentials and linear polarization resistance were used to determine if the selected inhibitor decreases the corrosion activity of the galvanized coating when the galvanized rebar is in contact with high-pH solutions. Results show a remarkable decrease on passivation times between the solutions with inhibitor vs. without inhibitor.

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Title:

Effect of amino alcohol-based corrosion inhibitor addition on galvanized reinforcements in alkaline solutions

Additional title:

Einfluss der Zugabe von Korrosionsinhibitoren auf Grundlage von Aminoalkoholen zu verzinkten Armierungen in alkalischen Lösungen

Contributors:

Herrera-Nunez, M.J. (author) / Torres-Acosta, A.A. (author) / Alonso, M.C. (author) / Perez-Quiroz, J.T. (author) / Martiez-Madrid, M. (author)

Published in:

Corrosion, Houston ; 65 ; 571-577

Publication date:

2009

Size:

7 Seiten, 7 Bilder, 2 Tabellen, 28 Quellen

ISSN:

DOI:

https://doi.org/10.5006/1.3319159

Type of media:

Article (Journal)

Type of material:

Print

Language:

English

Keywords:

verzinkter Stahl , Stahlbeton , alkalische Lösung , Porenwasser , potentiostatische Prüfung , Polarisationskurve , Korrosionspotenzial , Korrosionsinhibitor , Aminogruppe , Alkohol , elektrolytische Zelle , Korrosionsmechanismus

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