Evaluation of the Tribological and Corrosion Resistance Properties of 24-Bilayer TiN/TiAlN Coatings in Simulated Body Fluid
The tribocorrosive behavior of [TiN/TiAlN] coatings, consisting of 24 bilayers with a bilayer period (Λ) of 125 nm, was evaluated. There is a lack of studies on the tribocorrosion of TiN/TiAlN multilayer coatings applied to metallic prostheses. These coatings were obtained using a reactive RF magnet...
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| Main Authors: | , , |
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| Format: | Article |
| Language: | English |
| Published: |
University of Kragujevac
2024-12-01
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| Series: | Tribology in Industry |
| Subjects: | |
| Online Access: | https://www.tribology.rs/journals/2024/2024-4/2024-4-11.html |
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| Summary: | The tribocorrosive behavior of [TiN/TiAlN] coatings, consisting of 24 bilayers with a bilayer period (Λ) of 125 nm, was evaluated. There is a lack of studies on the tribocorrosion of TiN/TiAlN multilayer coatings applied to metallic prostheses. These coatings were obtained using a reactive RF magnetron sputtering system and deposited onto a Ti6Al4V alloy. This study represents the first evaluation of the tribocorrosive behavior of these coatings in simulated physiological environments. Various characterization techniques were employed, including X-ray diffraction (XRD), scanning electron microscopy (SEM), atomic force microscopy (AFM), pin-on-disk testing, electrochemical impedance spectroscopy (EIS), and Tafel curves. The coatings exhibited a face-centered cubic (FCC) structure, characterized by a partial arrangement of Ti and Al atoms. The research is motivated by the need for tribocorrosion-resistant coatings to enhance the durability of metallic prostheses. The results demonstrated a friction coefficient of 0.053 and a corrosion rate of 0.025 µm/year, highlighting the effectiveness of the coating. Changes in roughness were observed; however, no significant alterations in its formation were noted. |
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| ISSN: | 0354-8996 2217-7965 |