Tribological properties of SiO2/TiO2 multilayer, TiO2, SiO2 coatings deposited on CP-Ti implant material in simulated body fluid (SBF) solution

A. FATIH, YETIM and AYHAN, CELIK and MUSTAFA, YAZICI and ONUR, COMAKLI and TUBA, YETIM (2016) Tribological properties of SiO2/TiO2 multilayer, TiO2, SiO2 coatings deposited on CP-Ti implant material in simulated body fluid (SBF) solution. In: Fourth International Conference on Advances in Bio-Informatics and Environmental Engineering - ICABEE 2016, 18-19 August 2016, Rome, Italy.

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Abstract

In this study, the influences of different coatings on wear and scratch performances in simulated body fluid (SBF) solution were investigated. SiO2/TiO2 multilayer, TiO2 and SiO2 coatings were deposited on CP-Ti by sol-gel dip coating process and calcined at 700°C. The phase structure, crosssectional morphology, composition, wear track morphologies, adhesion properties, hardness and roughness of uncoated and coated samples were characterized with X-ray diffraction, scanning electron microscopy (SEM), scratch tester and 3D profilometer. Also, the tribological performances of all samples were investigated by a pin-on-disc tribo-tester against Al2O3 ball in SBF. Results showed that hardness, wear and adhesion resistance of multilayer coated samples were higher than untreated CP-Ti. It was found that the values of these three properties of SiO2/TiO2 multilayer coatings were higher than other coatings. Additionally, the lowest friction coefficient and wear rates were obtained on SiO2/TiO2 multilayer coatings. Therefore, it was seen that phase structure, hardness and film adhesion were important factors on the tribological properties of multilayer coatings.

Item Type: Conference or Workshop Item (Paper)
Uncontrolled Keywords: Multilayer coating; Sol-Gel; Wear; Scratch;
Depositing User: Mr. John Steve
Date Deposited: 22 Mar 2019 10:30
Last Modified: 22 Mar 2019 10:30
URI: http://publications.theired.org/id/eprint/794

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