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Corrosion Inhibition of AZ31-xLi (x = 4, 8, 12) magnesium alloys in sodium chloride solutions by aqueous molybdate
Abstract
Corrosion of lithium-containing AZ31 magnesium alloys AZ31-xLi (x = 4, 8, and 12 wt%) has been examined in 0.05 M NaCl solution with and without 10–150 mM of Na2MoO4 inhibitor. Potentiodynamic polarization, electrochemical impedance spectroscopy (EIS), and dynamic electrochemical impedance spectroscopy (DEIS) measurements were used to correlate the phase composition and microstructure of the alloys with their corrosion propensity and effectiveness of the molybdate inhibitor, giving high inhibition efficiency (>85%) at concentrations higher than ca. 35 mM. Post-corrosion microstructure, Raman, and X-ray photoelectron spectroscopy analyses allowed to provide the inhibition mechanism of AZ31-xLi alloys by molybdate ions.
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Authors (8)
-
Maria Osipenko
- Belarusian State Technological University
-
Andrei Paspelau
- Belarusian State Technological University
-
Aliaksandr Kasach
- Belarusian State Technological University
-
Konrad Skowron
- Instytut Katalizy i Fizykochemii Powierzchni PAN
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Janusz Adamiec
- Politechnika Śląska
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Irina Kurilo
- Belarusian State Technological University
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Dmitry Kharitonov Dr.
- Instytut Katalizy i Fizykochemii Powierzchni PAN
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Details
- Category:
- Articles
- Type:
- artykuły w czasopismach
- Published in:
-
CORROSION SCIENCE
no. 241,
ISSN: 0010-938X - Language:
- English
- Publication year:
- 2024
- Bibliographic description:
- Osipenko M., Paspelau A., Kasach A., Ryl J., Skowron K., Adamiec J., Kurilo I., Kharitonov D.: Corrosion Inhibition of AZ31-xLi (x = 4, 8, 12) magnesium alloys in sodium chloride solutions by aqueous molybdate// CORROSION SCIENCE -,iss. 241 (2025), s.112513-
- DOI:
- Digital Object Identifier (open in new tab) 10.1016/j.corsci.2024.112513
- Sources of funding:
-
- Free publication
- Verified by:
- Gdańsk University of Technology
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