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Corrosion Science
Article . 2021 . Peer-reviewed
License: CC BY
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Corrosion Science
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Electronic library of Belarusian State Technological University
Article . 2022
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Aqueous molybdate provides effective corrosion inhibition of WE43 magnesium alloy in sodium chloride solutions

descriptionPublicationkeyboard_double_arrow_right Article 01 Sep 2021 Belarus English Publisher:Elsevier BVJournal:Corrosion Science, volume 190, page 109,664 (issn: 0010-938X, Copyright policy )
Authors: Dmitry S. Kharitonov; Małgorzata Zimowska; Jacek Ryl; Artur Zieliński; Maria A. Osipenko; Janusz Adamiec; Angelika Wrzesińska; +2 Authors

doi: 10.1016/j.corsci.2021.109664

Aqueous molybdate provides effective corrosion inhibition of WE43 magnesium alloy in sodium chloride solutions

Abstract

Abstract Corrosion and corrosion inhibition of WE43 magnesium alloy were investigated in NaCl solutions containing different amounts of sodium molybdate. Electrochemical, microscopic, and spectroscopic experiments were utilized to examine the mechanism of corrosion inhibition by molybdates. Electrochemical data showed that Na2MoO4 inhibitor provides reliable inhibition at concentrations at and above 100 mM. Raman and XPS spectroscopy demonstrated that the formed surface layer consists of mixed Mo(V, IV) species. This layer provided inhibition with an efficiency of 91–99 % after 24 h of exposure. A two-step oxidation-reduction mechanism of corrosion inhibition of the WE43 alloy by aqueous molybdates was proposed.

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Belarus
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Keywords

EIS, молибдатный ингибитор, сканирующая зондовая микроскопия, Molybdate inhibitor, магний, Scanning probe microscopy, ЭПС, Raman spectroscopy, XPS, Magnesium, ЭИС, cпектроскопия комбинационного рассеяния

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
76
Top 1%
Top 10%
Top 1%
hybrid
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