| About this Abstract |
| Meeting |
2025 TMS Annual Meeting & Exhibition
|
| Symposium
|
Advances in Titanium Technology
|
| Presentation Title |
Achieving High Strength Coupled with High Work Hardening and Uniform Tensile Elongation in Titanium Alloys via Additive Manufacturing |
| Author(s) |
Tirthesh Ingale, Abhishek Sharma, Advika Chesetti, Srinivas Aditya Mantri, Junhui Tang, Fan Sun, Fred Prima, Narendra B. Dahotre, Rajarshi Banerjee |
| On-Site Speaker (Planned) |
Tirthesh Ingale |
| Abstract Scope |
While metastable beta-titanium alloys display high-strengths in wrought condition, they typically suffer from poor strain hardening and low tensile ductility. In solutionized condition, they do have good ductility and strain hardening rates (owing to transformation induced plasticity (TRIP) and twinning induced plasticity (TWIP)) but are typically accompanied with low yield strengths. Here we demonstrate, using simple post processing heat treatments in additively manufactured (AM) beta Ti alloys, an impressive combination of high yield strength can be achieved along with high work hardening rates and uniform tensile elongation. This excellent property combination emanates from a fine-scale alpha precipitation within beta matrix while concurrently preserving the TRIP effect, which is difficult to achieve by conventional thermomechanical processing. Thus, AM opens a new pathway for designing and developing Ti alloys exhibiting high yield strengths, coupled with high work-hardening rates and uniform tensile elongation. |
| Proceedings Inclusion? |
Planned: |
| Keywords |
Titanium, Mechanical Properties, Additive Manufacturing |