About this Abstract |
| Meeting |
2027 TMS Annual Meeting & Exhibition
|
| Symposium
|
Advanced Biomaterials and Implants
|
| Presentation Title |
Melt-Spinning-Assisted Microstructural Control of Zn-Ag-Cu-Mn-Mg Alloy for Biomedical Applications |
| Author(s) |
Bashir Ahamed, H.R. Bakhsheshi-Rad, Md Tanvir Hossain, Jaroslaw W. Drelich |
| On-Site Speaker (Planned) |
Bashir Ahamed |
| Abstract Scope |
This study investigated a biodegradable Zn-1Ag-0.8Cu-0.6Mn-0.02Mg alloy processed by melt spinning (MS) followed by hot extrusion (Ex). Compared with the conventionally cast (AC) and extruded conditions, the melt-spun-extruded alloy showed a finer, more homogeneous microstructure with a more uniform distribution of secondary phases. This microstructural refinement contributed to improved ductility and corrosion behavior while maintaining relatively high strength. The MS-Ex alloy achieved ~17% elongation with an ultimate tensile strength of about 368-380 MPa. It also exhibited a lower corrosion rate of ~0.35 mm/yr compared with ~0.44 mm/yr for the AC-Ex alloy, along with more uniform degradation in Hank’s balanced salt solution. This improvement is primarily attributed to microstructural refinement and homogeneously distributed secondary phases induced by melt spinning and subsequent extrusion. These findings demonstrate the potential of melt spinning followed by hot extrusion for developing biodegradable Zn alloys for cardiovascular implant applications. |
| Proceedings Inclusion? |
Planned: |