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Please use this identifier to cite or link to this item: http://hdl.handle.net/10261/56851
Title: In vitro corrosion behaviour of titanium alloys without vanadium
Authors: López, M. F.; Gutiérrez, A.; Jiménez, José Antonio
Keywords: Electrochemical techniques
Ti alloys
Issue Date: 2002
Publisher: Elsevier
Citation: Electrochimica Acta 47(9) : 1359-1364 (2002)
Abstract: The corrosion behaviour of three new non-toxic titanium alloys for use as biomaterials has been investigated. The corrosion current densities of these Ti alloys have low values, indicating a passive state that is stable with time. These values were calculated by using both direct and alternate current methods. The comparison with Ti–6Al–4V, widely used as biomaterial, shows slightly lower corrosion rates for the non V-containing alloys. To determine the pitting corrosion resistance, anodic polarisation curves were performed. Those alloys containing Zr, with very low passivation current densities, show the best behaviour. This indicates a low susceptibility to localised corrosion in these alloys. The chemical surface analysis performed on the samples suggests an influence of the passive layer composition on the passivation current density.
Publisher version (URL): http://dx.doi.org/10.1016/S0013-4686(01)00860-X
URI: http://hdl.handle.net/10261/56851
DOI: 10.1016/S0013-4686(01)00860-X
ISSN: 0013-4686
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