Research Article

Fabrication of Coatings on the Surface of Magnesium Alloy by Plasma Electrolytic Oxidation Using ZrO2 and SiO2 Nanoparticles

Table 7

Wear of coatings.

Type of sample surfaceWear rate
(mm3/(N·m))
Cycles

Without coatings5.8·10−3150
PEO layer4.1·10−52560
PEO layer with ZrO2 nanopowder2.9·10−53540
PEO layer with SiO2 nanopowder3.5·10−52970