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Meeting MS&T25: Materials Science & Technology
Symposium Advanced Coatings for Wear and Corrosion Protection
Presentation Title Tribocorrosion Performance of TiAlN and AlTiN Coatings on Ti6Al4V Alloy for Biomedical Applications
Author(s) Thiago de Lima Gontarski, Bruno Pereira, Ricardo Diego Torres, Paulo Soares
On-Site Speaker (Planned) Thiago de Lima Gontarski
Abstract Scope Ti6Al4V alloy is widely used in biomedical, aerospace, and automotive applications due to its excellent strength-to-weight ratio, corrosion resistance, and biocompatibility. However, its limited performance under aggressive environments demands enhanced surface protection. This study investigates the influence of the Ti/Al ratio in TiAlN (FUTURA Nano®) and AlTiN (LATUMA®) coatings on the tribocorrosion resistance of Ti6Al4V. Coatings were deposited via cathodic arc physical vapor deposition and characterized using SEM, EDS, and XRD. Tribological tests were conducted using a ball-on-plate reciprocating setup. Corrosion behavior was assessed through potentiodynamic polarization in both 3.5% NaCl solution and simulated saliva. Results show that both coatings improve corrosion resistance. AlTiN exhibited a more noble corrosion potential, while TiAlN presented higher corrosion current density. Tribocorrosion tests in artificial saliva confirmed the protective nature of the coatings under combined mechanical and electrochemical stresses. These findings support the potential use of the coatings in biomedical applications requiring enhanced durability.

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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