About this Abstract |
| Meeting |
2026 TMS Annual Meeting & Exhibition
|
| Symposium
|
Materials and Chemistry for Molten Salt Systems
|
| Presentation Title |
In-Situ Measurements of Crack Growth Rate in Molten Salt Environments |
| Author(s) |
Rebecca Schaller, Kenneth Armijo, Ryan Katona |
| On-Site Speaker (Planned) |
Rebecca Schaller |
| Abstract Scope |
Next-gen reactors seek to improve both energy efficiency and enhanced safety and reliability. Molten salt reactors (MSR), achieve this through the ability for refueling while in operation combined with the elimination of nuclear meltdown scenarios and hydrogen generated explosions. However, MSR reliability still depends heavily on materials performance in extreme environments where the corrosivity of hot salts is a major challenge. Developing measurement tools to understand and validate materials performance in these extreme conditions is necessary to overall reactor success. However, to date, no in-situ, validated measurement techniques for stress corrosion cracking (SCC), one potential degradation mechanism, exist for these conditions. Here, the combination of in-situ direct current potential drop (DCPD) crack growth rate determination will be applied to enable evaluation in-situ SCC measurement capability in MSR environments.
SNL is managed and operated by NTESS under DOE NNSA contract DE-NA0003525. This document is SAND 2025-07855A. |
| Proceedings Inclusion? |
Planned: |
| Keywords |
Environmental Effects, Iron and Steel, Mechanical Properties |