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Tribological Performance of Coatings Obtained by PVD Techniques: From Industrial to Biological Applications
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Author(s): Mihaela Dinu (National Institute of R&D for Optoelectronics, Romania), Iulian Pana (National Institute of R&D for Optoelectronics, Romania), Anca C. Parau (National Institute of R&D for Optoelectronics, Romania)and Alina Vladescu (National Institute of R&D for Optoelectronics, Romania)
Copyright: 2022
Pages: 22
Source title:
Handbook of Research on Tribology in Coatings and Surface Treatment
Source Author(s)/Editor(s): Amirhossein Pakseresht (FunGlass – Centre for Functional and Surface Functionalized Glass, Alexander Dubček University of Trenčín, Slovakia)and Omid Sharifahmadian (FunGlass – Centre for Functional and Surface Functionalized Glass, Alexander Dubček University of Trenčín, Slovakia)
DOI: 10.4018/978-1-7998-9683-8.ch009
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Abstract
The chapter presented a short review related to the factors that dictate the wear and friction behavior of various coatings obtained by PVD techniques used for various applications. An important parameter with high impact on the final properties of the coatings prepared by cathodic arc evaporation is the reactive atmosphere. The friction and wear performance of the carbide coatings were strongly dependent on the carbon content which can be controlled by varying the C2H2 mass flow rate and the arc current on the cathode. Regarding the carbonitrides coatings, the ratio of C/N plays an important role; the coating with a low C/N ratio showed reduced friction coefficients, while for the coatings with a high C/N ratio the wear was improved. For biomedical applications, the magnetron sputtering deposition technique was employed to enhance the tribological performance of Ti6Al4V alloy in Ringer solution using various types of coatings such as carbonitrides, carbide, or hydroxyapatite.
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