| About this Abstract |
| Meeting |
2021 TMS Annual Meeting & Exhibition
|
| Symposium
|
Advances in Biomaterials for 3D Printing of Scaffolds and Tissues
|
| Presentation Title |
Laser-based Powder-bed Fusion Strategies for the Fabrication of Cellular Scaffolds with a Fine Resolution |
| Author(s) |
Ebrahim Asadi, Fatemeh Hejripour, Md Abdus Salam, Faridreza Attarzadeh, Lauren Priddy, Gary Bowlin |
| On-Site Speaker (Planned) |
Ebrahim Asadi |
| Abstract Scope |
In this talk, we present novel laser scanning strategies and their associated laser-based powder-bed fusion (L-PBF) processing parameters to fabricate Ti-6Al-4V and WE43 cellular structures with a fine resolution to mimic the resolution of human cancellous bone and improve their mechanical performance. In this study, different L-PBF scanning strategies with various laser powers and scanning speeds are defined to fabricate various cellular structures. With a constant laser spot size of ~80μm, average powder size of 34μm, and layer thickness of 30μm for all the L-PBF processes, the finest achieved resolution for the struts of the cellular structures is 120μm in this study. Furthermore, correlations between the L-PBF processing parameters/scanning strategies and physical/mechanical properties of the cellular structures are discussed for bone tissue regeneration. |
| Proceedings Inclusion? |
Planned: |
| Keywords |
Additive Manufacturing, Biomaterials, Magnesium |