The improvement of corrosion resistance of Ti6Al4V alloy used biomedical materials

2014 18th National Biomedical Engineering Meeting Pub Date : 2014-10-01 DOI:10.1109/BIYOMUT.2014.7026334

Ş. Danışman, M. Teber, Gokhan Arik, Sinan Onre

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Abstract

Today many different kind of surface modification techniques are applying on medical and dental implant surfaces to improve surface specifications and there are many different specific investigations for these techniques from various aspects. The degradation on the surface properties of the implant materials varies according to the type of implant, usage area and the movement of this area. Studies have been conducted for these implant materials to be more biocompatible with the biological tissues as well as improving their surface properties. Improving the surface characteristics of the implant materials very important. In this work, changes in corrosion behaviour on grade 5-Ti6Al4V alloy and TiN-coated alloys by reactive magnetron sputtering were investigated in Ringer's solution at 37C with use of Wenking M Lab100 test instrument. The electrochemical behavior of coated and uncoated Ti6Al4V alloys as a function of surface characteristics was determined after potentiodynamic polarization. The results demonstrated that TiN coated Ti6Al4V alloy was more corrosion resistant than uncoated Ti6Al4.

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医用材料对Ti6Al4V合金耐腐蚀性能的提高

目前，许多不同类型的表面改性技术被应用于医疗和牙科种植体表面，以改善表面规格，并且从各个方面对这些技术进行了许多不同的具体研究。植入材料表面性能的退化根据植入物的类型、使用区域和该区域的移动而变化。为了提高这些植入材料与生物组织的生物相容性，并改善其表面性能，已经进行了研究。改善种植材料的表面特性是非常重要的。本文研究了反应磁控溅射对5-Ti6Al4V合金和tin涂层合金在37℃林格氏溶液中腐蚀行为的影响。采用动电位极化法测定了包覆和未包覆Ti6Al4V合金的电化学行为与表面特性的关系。结果表明，TiN包覆Ti6Al4V合金比未包覆Ti6Al4合金具有更强的耐蚀性。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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2014 18th National Biomedical Engineering Meeting

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