Abstract
Oxide layers deposited on magnesium by microarc oxidizing with introduction of different silicon-containing components, i.e., nanoparticles of SiO2 and Na2SiO3 sodium metasilicate, into the electrolyte are studied. The effects due to individual and joint use of these substances as components of the electrolyte are compared. It is shown that the best wear resistance of the oxide layers is provided after addition of SiO2 nanoparticles into the electrolyte, and the best corrosion resistance is obtained due to joint introduction of SiO2 nanoparticles and sodium metasilicate. The mechanisms of interaction between SiO2 nanoparticles and the forming oxide layer are suggested.
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