publication . Article . 2017

Features of the theories of the formation of oxide films on aluminum alloys piston diesel engines with micro-arc oxidation

Skryabin M.L.; Smekhova I. N.;
Open Access German
  • Published: 01 Dec 2017 Journal: Naučno-Tehničeskij Vestnik Brânskogo Gosudarstvennogo Universiteta (issn: 2413-9920, Copyright policy)
  • Publisher: Academician I.G. Petrovskii Bryansk State University
Abstract
The article considers one of the promising methods of surface hardening of piston aluminum alloy – microarc oxidation. Described fundamental differences from the micro-arc oxidation anodizing and similar electrochemical processes. The schemes of formation of the barrier and outer layers surface treatment in aqueous electrolytes. Shows the mechanism of formation of the interface. Considers the formation of layers with high porosity and method of exposure. Also describes the exponential dependence of the current density from the electric field in the surface film of the base metal. The role of discharges in the formation of oxide layers on the treated surface. Pro...
Subjects
free text keywords: microarc oxidation, coatining, model, film formation, film porosity, Engineering (General). Civil engineering (General), TA1-2040, Chemistry, QD1-999
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