About this Abstract |
| Meeting |
2027 TMS Annual Meeting & Exhibition
|
| Symposium
|
Interstitial–Metal Interactions: The Outsized Role of Small Atoms
|
| Presentation Title |
Impact of Surface Oxide on Hydride Formation in Niobium and Tantalum |
| Author(s) |
Julian Long, Drew Patterson, J. Anibal Boscoboinik, David Smathers, Shreyas Balachandran, Brandon Krick |
| On-Site Speaker (Planned) |
Shreyas Balachandran |
| Abstract Scope |
Current development of technology to utilize hydrogen as a combustible fuel demands structural materials which can withstand exposure to hydrogen at high temperatures while maintaining their mechanical properties. Refractory metal alloys maintaining reasonable mechanical properties even at high temperatures are desirable. However, important alloying components of these alloys include niobium (Nb) and tantalum (Ta), which are susceptible to hydrogen embrittlement and absorption. To improve alloy design, it is necessary to understand the impact of alloying elements on hydrogen absorption and embrittlement. In this work, we provide direct evidence linking surface oxide stability to hydride formation through in- situ XPS and ex- situ characterized samples in the temperature range of 200°C- 700°C. |
| Proceedings Inclusion? |
Planned: |
| Keywords |
Characterization, High-Temperature Materials, |