Voltammetric characteristics of the metal-oxide-electrolyte system at electrode polarization with pulse voltage

The method of formation of oxide coatings on anodically polarized electrodes under galvanostatic mode with the online, computer-controlled measuring, processing, and calculation of electric parameters is proposed. Voltammetric characteristics of these processes are considered using a variable reacti...

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Bibliographic Details
Published in:Protection of Metals 2009-07, Vol.45 (4), p.487-493
Main Authors: Gordienko, P. S., Panin, E. S., Dostovalov, A. V., Usol’tsev, V. K.
Format: Article
Language:English
Subjects:
Anodic coatings
Breakdown
Characterization and Evaluation of Materials
Chemistry and Materials Science
Corrosion and Coatings
Electrodes
Electrolytes
Industrial Chemistry/Chemical Engineering
Inorganic Chemistry
Investigation Methods for Physicochemical Systems
Materials Science
Metallic Materials
On-line systems
Oxide coatings
Oxides
Tribology
Voltage
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Summary:The method of formation of oxide coatings on anodically polarized electrodes under galvanostatic mode with the online, computer-controlled measuring, processing, and calculation of electric parameters is proposed. Voltammetric characteristics of these processes are considered using a variable reactive resistance. It is shown that a thermal breakdown is preceded by an electric breakdown of potential barriers formed in the metal-oxide-electrolyte system. In the oxide layer structure, three zones that differ in the structure and intensity of electric fields can be singled out. The ratio of these zones is determined by the electron work functions of metal, oxide, and electrolyte.
ISSN:2070-2051
1608-327X
2070-206X
DOI:10.1134/S2070205109040182