| About this Abstract |
| Meeting |
2022 TMS Annual Meeting & Exhibition
|
| Symposium
|
Advances in Titanium Technology
|
| Presentation Title |
Thermohydrogen Refinement of Microstructure (THRM) to Improve the Performance of Material Extrusion Additively Manufactured Ti-6Al-4V |
| Author(s) |
Brady G. Butler, Daniel Lewis, Michael Hurst, James Paramore |
| On-Site Speaker (Planned) |
Brady G. Butler |
| Abstract Scope |
Additive manufacturing of titanium alloys has generated significant interest for prototyping, small production runs, and producing complex components that are not feasible to manufacture by traditional processes. However, the high costs associated with feedstock powders, equipment capital, and long production cycles severely limit the widespread adoption of these techniques in all but a few niche fields. Material extrusion additive manufacturing is based on mature powder metallurgy practice, offering significant opportunities to reduce cost while maintaining the versatility of additive manufacturing in general. Although powder metallurgy techniques show many benefits over melt-based processing, high sintering temperatures are typically required to achieve full density, and the resulting coarse lamellar microstructures have significant property and performance limitations. This study utilizes a hydrogen-based thermochemical heat treatment to improve the microstructure and mechanical behavior of Ti-6Al-4V alloy components fabricated by material extrusion manufacturing. |
| Proceedings Inclusion? |
Planned: |
| Keywords |
Additive Manufacturing, Titanium, Process Technology |