Corrosion Resistance of Plasma-Electrolytic Layers on Alloys and Coatings of the Al–Cu–Mg System for Various Modes of Heat Treatment

Autor:	H. H. Veselivs’ka, Ya. Ya. Sirak, Volodymyr Posuvailo, R. A. Yatsyuk, M. M. Student
Rok vydání:	2018
Předmět:	Materials science Annealing (metallurgy) 020502 materials 020209 energy Mechanical Engineering Alloy Intermetallic 02 engineering and technology engineering.material Plasma electrolytic oxidation Condensed Matter Physics Microstructure Cathodic protection Corrosion 0205 materials engineering Coating Mechanics of Materials 0202 electrical engineering electronic engineering information engineering engineering General Materials Science Composite material
Zdroj:	Materials Science. 53:789-795
ISSN:	1573-885X 1068-820X
DOI:	10.1007/s11003-018-0137-8
Popis:	We study the influence of its microstructure of an Al–Cu–Mg alloy sprayed by the electric-arc method in the intact state and with oxide-ceramic coating on its corrosion resistance in synthetic weakly acid media. It is shown that the increase in the temperature of annealing the electric-arc coating results in the growth of Al2Cu intermetallic inclusions acting as cathodic inclusions and increasing the sizes of pores in the oxide-ceramic coatings. These changes promote a significant increase in corrosion currents both in the electric-arc coating and in the oxide-ceramic layer on it. It is shown that the corrosion currents formed in the electric-arc coatings without oxide-ceramic layer are stronger by an order of magnitude.
Databáze:	OpenAIRE
Externí odkaz:	https://explore.openaire.eu/search/publication?articleId=doi_________::fcf2dc28002b047f6a9b1ffafb52673d https://doi.org/10.1007/s11003-018-0137-8 Zobrazit plný text záznamu Plný text ve formátu PDF Plný text ve formátu HTML
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