Keywords
Biomaterial
potential pitting and tribological properties Biomaterial
potencial de picado
propiedades tribológicas
potential pitting and tribological properties Biomaterial
potencial de picado
propiedades tribológicas
How to Cite
Ruden, A., González, J. M., Calderón, W., Alonso Falleiros, N., & Sequeda, F. (2011). Corrosion and tribological analysis of Ti and titanium-zirconium alloy thin films deposited by non reactive DC magnetron sputtering on AISI 304 substrates of medical applications. Informador Tecnico, 75. https://doi.org/10.23850/22565035.13
Abstract
Titanium (Ti) and titanium-zirconium (Ti-Zr) allow thin films were deposited on AISI 304 stainless steel substrates by non reactive PVD-DC Magnetron Sputtering technique in argon environment, using Ti 99,99% and Ti-Zr (70/30) targets. Corrosion and tribological measurements were performed. From the Potentiodynamic the corrosion and pitting potential for the substrates and thin films were obtained. Using NaCl 3,5% p/p electrolytic solution, a Hg/KCl electrode saturated at 37°C temperature (human corporal temperature). Results obtained shows that thin films increases pitting potential enhancing life time of the substrates. Through Ball on Disc system, coefficient of friction (COF) and wear rate were calculated for AISI 304, Ti and Ti-30Zr, presenting metallic tribological behavior. Morphological analysis of the wear track and corrosion pitting shape were performed by optical microscopy.
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