Publikacje

Data publikacji: 2024-10-24

Corrosion Inhibition of AZ31-xLi (x = 4, 8, 12) magnesium alloys in sodium chloride solutions by aqueous molybdate

M.A. Osipenko, A.V. Paspelau, A.A. Kasach, J. Ryl, Konrad Skowron, J. Adamiec, I.I. Kurilo, Dzmitry Kharytonau

Corrosion Science 241 (2024-10-24) 112513
https://doi.org/10.1016/j.corsci.2024.112513
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Abstrakt

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.

Lista publikacji

Lista publikacji

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