Abstract
Corrosion behaviour of biocompatible Ti6Al4V titanium alloy has been investigated by using electrochemical impedance spectroscopy in Hank's physiological solution for two modified states of titanium surface. On the basic of type and shape of Nyquist curves obtained from EIS measurements probable mechanisms of corrosion in a specific corrosion system are assigned.
Highlights
Titanium and its alloys are widely used as orthopaedic and dental implants
Titanium alloys are very resistant to almost all salt solution over the pH range of 3 to 11
The corrosion rate values for titanium alloys in variety of salt solution are generally less than 0.03 mm/yr [6]
Summary
Titanium and its alloys are widely used as orthopaedic and dental implants They belong among the best biocompatible materials due to their passivation characteristics and the stability of the passive films in a biological system [1, 2]. The corrosion rate values for titanium alloys in variety of salt solution are generally less than 0.03 mm/yr [6]. This material has received widespread attention due to its low density, good strength, ductility corrosion resistance and biocompatibility. The main goal of presented investigation is evaluation of the corrosion resistance of the Ti6Al4V alloy surface after electroerosion treatment in Hank’s solution
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