Research Article
Fabrication of Coatings on the Surface of Magnesium Alloy by Plasma Electrolytic Oxidation Using ZrO2 and SiO2 Nanoparticles
Table 3
Corrosion performances of MA8 magnesium alloy samples.
| | Type of sample surface |
(Ω·cm2) |
(A/cm2) |
(V) |
| | Bare alloy | 3.6 × 103 | 1.1 × 10−5 | −1.56 | | PEO layer | 2.4 × 105 | 1.1 × 10−7 | −1.52 | | PEO layer with ZrO2 nanopowder | 4.9 × 105 | 5.3 × 10−8 | −1.42 | | PEO layer with SiO2 nanopowder | 3.2 × 105 | 8.2 × 10−8 | −1.50 |
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