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首页> 外文会议>THERMEC 2011;International conference on processing manufacturing of advanced materials >Characterization of a Biomedical Titanium Alloy using Various Surface Modifications to Enhance its Corrosion Resistance and Biocompatibility
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Characterization of a Biomedical Titanium Alloy using Various Surface Modifications to Enhance its Corrosion Resistance and Biocompatibility

机译：使用各种表面改性来增强其耐蚀性和生物相容性的生物医学钛合金的表征

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摘要

Ti6A14V titanium alloy has been characterized for its prospective applications as an implant material. The surface treatments performed have brought about enhanced surface properties of these alloys and have produced corrosion resistant oxide films with increased bioactive properties. Characterization of the alloy surface has revealed the presence of a duplex oxide structure over the surface treated specimens, composed of an inner barrier layer and an outer porous layer. The inner barrier layer has imparted a high corrosion resistance to the alloy while the outer porous layer which is responsible for the increased roughness of the surface treated alloy specimens, has encouraged formation and deposition of apatite into the oxide pores and further resulted in an increase in cell adhesion over the alloy surface. Anodization and heat treatment procedures have proved advantageous to titanium alloys in terms of producing oxide films that can offer these alloys an improved biological performance.
机译：Ti6A14V钛合金的潜在用途是作为植入材料。进行的表面处理提高了这些合金的表面性能，并产生了具有增强的生物活性的耐腐蚀氧化膜。合金表面的特征表明，在表面处理过的试样上存在双重氧化物结构，该结构由内部阻挡层和外部多孔层组成。内阻挡层赋予合金以高的耐腐蚀性，而外多孔层则使经表面处理的合金试样的粗糙度增加，促进了磷灰石的形成和沉积到氧化物孔中，并进一步导致了磷灰石的增加。细胞在合金表面的附着力。事实证明，阳极氧化和热处理程序对钛合金而言具有优势，因为它可以产生可为这些合金提供改善的生物学性能的氧化膜。

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