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Meeting MS&T25: Materials Science & Technology
Symposium Advanced Coatings for Wear and Corrosion Protection
Presentation Title Enhanced wear resistance of AS41 magnesium alloy via plasma electrolytic oxidation
Author(s) Bruno Pereira, Thiago Gontarski, Ricardo Torres, Paulo Soares Jr
On-Site Speaker (Planned) Bruno Pereira
Abstract Scope This study investigates the effect of plasma electrolytic oxidation (PEO) on the wear resistance of the AS41 magnesium alloy. Specimens were oxidized for 60, 120, and 180 seconds in a silicate-based electrolyte. X-ray diffraction revealed the formation of periclase-phase MgO, while surface analysis identified oxygen, silicon, fluorine, and potassium. Tribological tests using a 100Cr6 steel counterbody under 5 N showed that coatings formed at 120 and 180 seconds remained intact after 10,000 cycles, whereas 60-second coatings failed after 10 meters. Microscopy and chemical analysis of wear debris indicated significant counterbody wear. The results suggest that PEO treatments longer than 120 seconds significantly enhance the wear resistance of AS41, indicating potential for high-durability applications.

OTHER PAPERS PLANNED FOR THIS SYMPOSIUM

Anti-erosion coatings of silicon carbide and tantalum carbonitride nanocomposite by chemical vapor deposition
Cold-sprayed and arc-melted high-entropy alloys: wear, erosion and oxidation
Effect of chromium content on intermetallic growth and heat resistance in hot-dip aluminized ferritic stainless steels
Effects of Cu, Sn, and Mn additions on intermetallic layer growth in hot-dip aluminizing with Al-9Si bath
Enhanced wear resistance of AS41 magnesium alloy via plasma electrolytic oxidation
Enhancing Tribological and Corrosive Properties of AM60 and AZ91 Magnesium Alloys via PEO Surface Modification
Evolution of mechanical properties of PEO coated Mg rods.
Laser Cladding of CoCrCuFeNi and CoCrFeNi High-Entropy Alloys on DMR 249A Steel: Corrosion and Wear behavior
Modern corrosion and wear-resistant coatings obtained using FA-charges operating in aggressive conditions of industrial production
NbC Reinforced Ni Based Alloy Cladding by Thermal Spray Coatings and Weld Overlay Technique
Open-Air Plasma Assisted Organosilicon Coating on Automotive Aluminum Alloys for Corrosion Protection
Oxide thin films obtained by reactive sputtering for antifouling purposes
Tailored DLC Coating for Regolith Dust Mitigation
Tribocorrosion Performance of TiAlN and AlTiN Coatings on Ti6Al4V Alloy for Biomedical Applications
Understanding the role of particle size on thin coating formation and mechanical properties of WC-Co-Cr coatings deposited by HVAF spray

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