|About this Abstract
||2022 TMS Annual Meeting & Exhibition
||Bulk Metallic Glasses XIX
||A-19: High Metalloid Containing Ti-based Metallic Glasses for Biomedical Applications
||Baran Sarac, Eray Yüce, Florian Spieckermann, Amir Rezvan, Jürgen Eckert
|On-Site Speaker (Planned)
Ti-based metallic glasses have been recently considered an alternative material for dental implants and surgical devices due to their corrosion and wear resistance as well as high hardness and specific strength. However, one major problem of the previously developed bulk Ti-based metallic glasses is the high copper content which makes them potentially toxic because the transitions between Cu(II) and Cu(I) can result in the generation of superoxide and hydroxyl radicals. This study focuses on developing fully biocompatible novel compositions with no toxic and precious group elements but with high metalloid content, i.e. Ti50Zr30Snx(SiGeB)y and Ti40Zr40Snx(SiGeB)y where x = 2 or 5 at.% and y = 18 or 15 at.%, with high hardness and low Young’s modulus. Fully amorphous ribbons confirmed by X-ray synchrotron radiation has very much lower passive current densities compared to Ti-6Al-4V alloy in 0.9 wt.% NaCl solution at 37 °C corroborating their biocompatibility.
||Titanium, Biomaterials, Characterization