Journal
SURFACE & COATINGS TECHNOLOGY
Volume 433, Issue -, Pages -Publisher
ELSEVIER SCIENCE SA
DOI: 10.1016/j.surfcoat.2022.128112
Keywords
Rare earth oxide; Plasma electrolytic oxidation; Corrosion property; Wear resistance; Magnesium based material
Funding
- National Natural Science Foundation of China [52071067]
- Mobility Programme of the Sino-German Center [M-0056]
- Vanadium and Titanium Resource Comprehensive Utilization Key Laboratory [2020FTSZ16]
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In this study, La2O3 nano-particles were added into the PEO electrolyte to enhance the corrosion and wear resistance of pure magnesium. The incorporation of particles led to a decrease in porosity and thickness of the coating, resulting in improved corrosion and wear performance.
With the aim of improving the corrosion and wear resistance of pure magnesium, La2O3 nano-particles are added into the PEO electrolyte. The influence of the particles on coating formation, morphology and performance is investigated. Results indicate that the porosity and thickness decrease remarkably after the particle incorporation which influences the corrosion and wear resistance in return. The coating with 1 g particle addition shows lowest porosity and highest hardness value, resulting in superior corrosion and wear performance, which implies the feasibility of the proposed strategy in fabricating functionalized PEO coatings on Mg-based materials.
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