Volume 43, No 2, 2021, Pages 200-210

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Sliding and Corrosion Wear of Magnetron Sputtered TiO2 Films Deposited with Different Argon and Oxygen Mixtures


W. Aperador , J. Bautista-Ruiz , J.C. Caicedo

DOI: 10.24874/ti.925.08.20.12

Received: 28 August 2020
Revised: 12 October 2020
Accepted: 15 December 2020
Published: 15 June 2021


Were produced TiO2 thin coatings prepared, on substrates pure Titanium using a deposition by magnetron sputtering technique, the percentage of oxygen was varied, to study the behavior in terms of friction coefficient corrosive fluids such as those related to the human body. Electrochemical Impedance Spectroscopy (EIS), wear tests with a tribometer, were performed to obtain the tribo-corrosion mechanism of deterioration, taking into account the dual corrosion wear system. The phases were identified by X-ray Photoelectron Spectroscopy (XPS) high resolution. It is determined through the tests performed that the surface treatment has a different effect for each percentage of oxygen influenced by the simulated body environments. The wear performance analysis indicated that the TiO2 film's protection had increased as the percentage of oxygen in the gas mixture (Ar/O2) varied and other synthesis parameters such as deposition time, target power, and substrate temperature remained constant.


Titanium oxide, Corrosion, Tribology, Titanium, Surface modification.

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