Journal
CORROSION SCIENCE
Volume 112, Issue -, Pages 517-527Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.corsci.2016.08.019
Keywords
aluminium; EIS; Pitting corrosion; Oxidation
Funding
- Russian Science Foundation [14-13-01076]
- Russian Science Foundation [14-13-01076] Funding Source: Russian Science Foundation
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The comparative analysis of evolution of electrochemical parameters and wettability for two types of superhydrophobic coatings (SHCs) at prolonged contact with 3 M potassium halide solutions revealed various aspects of a complex corrosion protection provided by SHCs on aluminum alloy. The difference in the pitting processes of Al alloy with SHCs in concentrated potassium halide solutions becomes essential after prolonged contact with the electrolyte. Long-term contact of SHCs of both types with halide solutions shows that the corrosion currents and the rate of hydrolysis of hydrophobic molecules follow the Hofmeister series l(-) < Br- < CI-. (C) 2016 Elsevier Ltd. All rights reserved.
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