| About this Abstract |
| Meeting |
2025 TMS Annual Meeting & Exhibition
|
| Symposium
|
Steels in Extreme Environments
|
| Presentation Title |
Steel's gassing problems and ways to solve them |
| Author(s) |
Ju Li |
| On-Site Speaker (Planned) |
Ju Li |
| Abstract Scope |
Some atomistic mechanisms of hydrogen and helium embrittlements of steels are outlined and compare with experimental studies [Int. J. Plasticity 74 (2015) 175; Nature Materials 22 (2023) 710]. In the nuclear fusion reactor context, cross interactions between helium, tritium, vacancy and dislocation need to be modelled in order to understand damage accumulation. Both electrochemical pumping and secondary phase absorption are utilized to mitigate damage, which have been to shown to solve the gassing problems to some degree. [ Applied Materials Today 29 (2022) 101627; Advanced Science (2022) 2203555; Acta Materialia 266 (2024) 119654 ] |
| Proceedings Inclusion? |
Planned: |
| Keywords |
Environmental Effects, Nuclear Materials, Modeling and Simulation |