Please use this identifier to cite or link to this item: http://hdl.handle.net/10553/48967
Title: Study of the corrosion behavior of titanium and some of its alloys for biomedical and dental implant applications
Authors: González, J. E.G.
Mirza-Rosca, J. C. 
Issue Date: 1999
Publisher: 0022-0728
Journal: Journal of Electroanalytical Chemistry
Abstract: The influence of alloying elements and the potential on the corrosion resistance of Pi and other Ti-based biomedical implant alloys under simulated physiological conditions is presented. Ti and its following alloys: Ti-10Mo, Ti-10Mo-10Al, Ti-7Al-4.5V and Ti-5Al-4.5V and Ti-5Al-2.5Fe were studied. Electrochemical impedance spectroscopy was used and the experimental results were compared with those obtained by potentiostatic and potentiodynamic techniques. All the measurements were made in Ringer's solution at pH 7.8 and at different potentials (E-corr, - 650, - 500, 0, + 200 and + 400 mV vs. SCE). Under these conditions, all the Ti-based alloys exhibited spontaneous passivity. It was evident that Mo, V and Fe improved passivity and limited the active corrosion of the beta-phase of Ti while Al enrichment of the alpha-phase was found to be detrimental to the passivity and corrosion resistance of Ti. (C) 1999 Elsevier Science S.A. All rights reserved.
URI: http://hdl.handle.net/10553/48967
ISSN: 0022-0728
DOI: 10.1016/S0022-0728(99)00260-0
Source: Journal of Electroanalytical Chemistry[ISSN 0022-0728],v. 471, p. 109-115
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