About this Abstract |
| Meeting |
MS&T25: Materials Science & Technology
|
| Symposium
|
3D Printing of Biomaterials and Devices
|
| Presentation Title |
Bioglass Reinforced Ti6Al4V Composites for Load-bearing Implants |
| Author(s) |
Amit Bandyopadhyay, Lochan Upadhayay, Susmita Bose |
| On-Site Speaker (Planned) |
Amit Bandyopadhyay |
| Abstract Scope |
Ti6Al4V is widely used in orthopaedics and dentistry due to its excellent fatigue, corrosion resistance, and high strength-to-weight ratio. However, bio-inertness of Ti6Al4V causes slow osteointegration. Ti6Al4V surface also does not support any antibacterial resistance. We have designed new alloys to address these issues using Ti6Al4V, adding bioglass (BG) and copper (Cu). BG improves osteointegration, whereas Cu provides inherent lifelong bacterial resistance. Ti6Al4V-1 wt% BG, Ti6Al4V-3 wt% BG, and Ti6Al4V-3 wt% BG-3 Wt.% Cu were additively manufactured using the laser-directed energy deposition technique. Antibacterial test was performed for 24 and 72 h using Staphylococcus aureus to evaluate the influence of Cu addition on inherent antibacterial resistance compared to Ti6Al4V. Microstructural characterization and phase analysis were done to evaluate the influence BG and Cu addition on Ti6Al4V. Biotribological analysis using flat-on-disc fixtures under fully immersed conditions in DMEM showed that wear resistance improved due to BG and Cu addition to Ti6Al4V. |