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Exploring Mechanism of Corrosion Inhibition of WE43 and AZ31 Alloys by Aqueous Molybdate in Hank’s Solution by Multisine Impedimetric Monitoring
Abstract
The concept of utilizing multisine dynamic electrochemical impedance spectroscopy to monitor effectiveness of a model molybdate inhibitor for AZ31 and WE43 Mg alloys is proposed. The corrosion kinetics and instantaneous values of inhibition efficiency (IE) of molybdate at concentrations up to 150 mM were examined. The inhibitor provides inhibition in Hank’s solution at concentrations starting from ca. 25 mM, with the IE of about 90%. These data together with results of the surface analysis allowed to propose the mechanism of the corrosion inhibition of AZ31 and WE43 Mg alloys by aqueous molybdate in Hank’s solution.
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Authors (8)
-
Maria Osipenko
- Belarusan State Technological University
-
Jacek Gurgul
- Instytut Katalizy i Fizykochemii PAN
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Irina Kurilo
- Belarusan State Technological University
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Dmitry Kharitonov Dr.
- Instytut Katalizy i Fizykochemii PAN
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Details
- Category:
- Articles
- Type:
- artykuły w czasopismach
- Published in:
-
CORROSION SCIENCE
no. 231,
ISSN: 0010-938X - Language:
- English
- Publication year:
- 2024
- Bibliographic description:
- Osipenko M., Karczewski J., Dominów M., Prześniak-Welenc M., Gurgul J., Kurilo I., Ryl J., Kharitonov D.: Exploring Mechanism of Corrosion Inhibition of WE43 and AZ31 Alloys by Aqueous Molybdate in Hank’s Solution by Multisine Impedimetric Monitoring// CORROSION SCIENCE -,iss. 231 (2024), s.111979-
- DOI:
- Digital Object Identifier (open in new tab) 10.1016/j.corsci.2024.111979
- Sources of funding:
-
- IDUB
- Verified by:
- Gdańsk University of Technology
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