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Journals / Turkish Journal of Physics / 2019 / Cilt: 43 - Sayı: 2

Effect of low-temperature oxidation on the properties of TiVN/VN multilayer coatings

Merve ERTAŞ USLU
Özge DOĞAN
Leyla ÇOLAKEROL ARSLAN
Pages
178–186
Publication Date
2022-11-04
DOI
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AI Summary & Key Takeaways

AI Insight
⚡ TL;DR(Too Long; Didn't Read)

Electronic, mechanical, and tribological properties of these coatings were characterized by X-rayphotoelectron spectroscopy (XPS), scanning electron microscope, nanoindentation measurements, and scratch tester.The experimental results showed that the oxidation of TiVN/VN multilayer coatings leads to better performance interms of surface roughness, hardness, and wear.

📌 3 Key Takeaways

🎯
Objective & Hypothesis:An extensive study of the surface oxidation process on the properties of TiVN/VN multilayer coatingsdeposited by RF magnetron sputtering on Mg alloys was performed.
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Key Findings & Data:TiVN/VN multilayer coatings with a totalthickness of 660 nm and different layer numbers of 5, 11, and 33 were oxidized by annealing at 450K under partialoxygen pressure.
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Conclusion & Impact:Electronic, mechanical, and tribological properties of these coatings were characterized by X-rayphotoelectron spectroscopy (XPS), scanning electron microscope, nanoindentation measurements, and scratch tester.The experimental results showed that the oxidation of TiVN/VN multilayer coatings leads to better performance interms of surface roughness, hardness, and wear.
🔬Design:Research Article
📍Scope:Comprehensive Sample
⚙️Variables:Domain Parameters

Abstract

An extensive study of the surface oxidation process on the properties of TiVN/VN multilayer coatingsdeposited by RF magnetron sputtering on Mg alloys was performed. TiVN/VN multilayer coatings with a totalthickness of 660 nm and different layer numbers of 5, 11, and 33 were oxidized by annealing at 450K under partialoxygen pressure. Electronic, mechanical, and tribological properties of these coatings were characterized by X-rayphotoelectron spectroscopy (XPS), scanning electron microscope, nanoindentation measurements, and scratch tester.The experimental results showed that the oxidation of TiVN/VN multilayer coatings leads to better performance interms of surface roughness, hardness, and wear. The hardness of the coating increased significantly (up to 1400 HV)with the oxidation of the surface due to the release of stresses between each layer after in situ annealing. The decline ofthe friction coefficient after oxidation can be attributed to the formation of a self-lubricating V2 O5 layer on the surface,the presence of which was confirmed by XPS. The findings in this work reveal a new technique for applying a better thinfilm coating for industrial applications of Mg alloys.

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Cite This Article

USLU, M. E., DOĞAN, Ö., ARSLAN, L. Ç. (2022). Effect of low-temperature oxidation on the properties of TiVN/VN multilayer coatings. Turkish Journal of Physics, Cilt: 43 - Sayı: 2, 178–186. https://ajindex.com/articles/613976

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