Journal
CORROSION SCIENCE
Volume 102, Issue -, Pages 269-278Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.corsci.2015.10.015
Keywords
Alloy; Magnesium; Oxidation; Oxide coatings; Passive films
Funding
- Russian Scientific Foundation [14-33-00009]
- Russian Government (Federal Agency of Scientific Organizations)
- Russian Science Foundation [14-33-00009] Funding Source: Russian Science Foundation
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The way of self-healing coating formation at the surface of magnesium alloys on the base of plasma electrolytic oxidation method (PEO) has been suggested. Scanning Vibrating Electrode Technique (SVET) and Scanning Ion-Selective Electrode Technique (SIET) were used for determining the kinetics and mechanism of the self-healing process. The treatment of the PEO-layer by the solution containing 8-hydroxyquinoline enables one to decrease the current density of the composite coating in 30 times (3.2 mu A cm(-2)) in the corrosion-active environment in comparison with the base PEO-coating (100 mu A cm(-2)) and avert the intensive destruction of the material. (C) 2015 Elsevier Ltd. All rights reserved.
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