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Electrochemical corrosion properties of metal alloys used in orthopaedic implants |
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| Authors: | Murat Songür Hüseyin Çelikkan Faruk Gökmeşe S. Aykin Şimşek N. Şükrü Altun M. Levent Aksu |
| Affiliation: | 1.Department of Orthopaedics and Traumatology, Faculty of Medicine,Gazi University,Ankara,Turkey;2.Department of Chemistry, Faculty of Art and Sciences,Gazi University,Ankara,Turkey;3.Department of Chemistry, Faculty of Art and Sciences,Hitit University,?orum,Turkey;4.Department of Chemistry, Faculty of Education,Gazi University,Ankara,Turkey |
| Abstract: | This study concerns an investigation of the corrosion behavior of 316 stainless steel, CoCrMo and Ti6Al4V alloys in simulated body conditions (ringer lactate) at 37 °C by the use of Tafel plots, mixed potential and electrochemical impedance spectroscopy (EIS). Ti6Al4V alloy has the highest corrosion resistance followed by CoCr alloy. Ti6Al4V–CoCrMO was the best couple for galvanic corrosion with the minimum galvanic potential and current values according to mixed potential theory and Tafel method. It was concluded that Ti6Al4V was the most suitable material for implant applications in the human body. |
| Keywords: | Corrosion Metal alloys Implant Galvanic Impedance |
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