About this Abstract |
| Meeting |
2026 TMS Annual Meeting & Exhibition
|
| Symposium
|
Refractory Metals 2026 – A Memorial to Todd Leonhardt
|
| Presentation Title |
The influence of interstitial content on the plastic flow behavior of Niobium at 1200 °C |
| Author(s) |
Sucharita Banerjee, Eric Taleff, Shreyas Balachandran, Pashupati Dhakal |
| On-Site Speaker (Planned) |
Sucharita Banerjee |
| Abstract Scope |
Niobium (Nb) is a type II superconductor with a critical temperature of 9.2 K, making it especially useful for superconducting radio frequency (SRF) cavities. Hot deformation processing could create new strategic opportunities for SRF cavity manufacturing. This study investigates the relationship between high-temperature flow behavior and interstitial element content, specifically oxygen and carbon, in Nb... Three different ASTM grades of Nb (Type 1, Type 2, and Type 5) with different starting interstitial content were tested in tension at 1200 °C and a constant true-strain rate of 10-3s-1. The results show flow stress increases with interstitial content. Tensile elongation drops significantly at the highest interstitial content. The microstructural and mechanistic reasons for these behaviors will be discussed. |
| Proceedings Inclusion? |
Undecided |
| Keywords |
High-Temperature Materials, Mechanical Properties, |