Voltammetric stability of anodic films on the Ti6Al4V alloy in chloride medium

The biocompatibility and mechanical integrity of Ti and Ti6Al4V alloy can be affected by corrosion processes. This paper presents studies on the stability of anodic oxide films on Ti6Al4V and Ti in chloride medium. The oxides were grown potentiodynamically up to 8.0 V in the phosphate buffer saline...

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Veröffentlicht in:Electrochimica acta 2006-09, Vol.51 (28), p.6580-6583
Hauptverfasser: Marino, Cláudia E.B., Biaggio, Sonia R., Rocha-Filho, Romeu C., Bocchi, Nerilso
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container_issue 28
container_start_page 6580
container_title Electrochimica acta
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creator Marino, Cláudia E.B.
Biaggio, Sonia R.
Rocha-Filho, Romeu C.
Bocchi, Nerilso
description The biocompatibility and mechanical integrity of Ti and Ti6Al4V alloy can be affected by corrosion processes. This paper presents studies on the stability of anodic oxide films on Ti6Al4V and Ti in chloride medium. The oxides were grown potentiodynamically up to 8.0 V in the phosphate buffer saline (PBS) solution (pH 6.8) at 25 and 37 °C. The morphology of the obtained anodic oxides and the type of corrosion that occurred were analyzed by SEM–EDS. The Ti6Al4V alloy presented less corrosion resistance than pure Ti. Elemental analyses showed that the decrease of the alloy corrosion resistance is due mainly to the corrosion of Al.
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subjects Anodic films
Corrosion resistance
SEM
Ti6Al4V alloy
Titanium
title Voltammetric stability of anodic films on the Ti6Al4V alloy in chloride medium
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