Electrochemical behaviour of titanium alloys in artificial saliva | Zendy

Daniel Mareci | Zendy; Catalin Bocanu | Zendy; Gheorhe Nemtoi | Zendy; Delia Aelenei | Zendy

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Electrochemical behaviour of titanium alloys in artificial saliva

Author(s) -

Daniel Mareci,

Catalin Bocanu,

Gheorhe Nemtoi,

Delia Aelenei

Publication year - 2005

Publication title -

journal of the serbian chemical society

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.227

H-Index - 45

eISSN - 1820-7421

pISSN - 0352-5139

DOI - 10.2298/jsc0506891m

Subject(s) - passivation , corrosion , materials science , titanium , vanadium , biocompatibility , electrochemistry , titanium alloy , metallurgy , niobium , alloy , layer (electronics) , composite material , electrode , chemistry

Titanium alloys are used i n odontology applications owing to their excellent biocompatibility. The corrosion resistance of titanium alloys is an important component of their biocompatibility. In this study, the electrochemical corrosion resistance of Ti6Al4V, Ti6Al7Nb, Ti6Al2Nb1Ta1Mo, Ti5Al2,5Fe and commercial titanium in Afnor saliva was in- vestigated. Maintaining titanium and Ti6Al7Nb alloy in Afnor saliva for 7 days results in the formation of a protective layer, the resistance of which is high and could be compared with that of a passive layer resulting from electrochemical treatment. The replacement of vanadium with niobium or iron favours the passivation, thus increasing the corrosion resistance.

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