| About this Abstract |
| Meeting |
2021 TMS Annual Meeting & Exhibition
|
| Symposium
|
Materials and Chemistry for Molten Salt Systems
|
| Presentation Title |
Exploration of the Corrosion Morphologies of Ni-Cr Alloys in Molten Fluoride Salts with/without Radiation |
| Author(s) |
Weiyue Zhou, Yang Yang, Miaomiao Jin, Andrew Minor, Michael Short |
| On-Site Speaker (Planned) |
Weiyue Zhou |
| Abstract Scope |
Corrosion of structural materials in molten fluoride salts proceeds mainly via selective leaching of Cr from the alloys into the salts. The resulting corrosion morphologies can be entirely different despite identical Cr removal quantities, therefore affecting the quantification of the severity of corrosion attack. The morphologies of the corrosion induced microstructures relate directly to the processes of Cr transport and redistribution of other atoms accordingly. In this sense, parameters such as temperature, Cr concentration, salt corrosivity, radiation, etc., will all directly and/or indirectly influence morphology. Here we present a mechanistic mapping of molten salt corrosion versus Cr concentration and temperature in binary Ni-Cr alloys. The influence of other parameters like salt corrosivity and radiation on the morphologies will also be commented upon. |
| Proceedings Inclusion? |
Planned: |
| Keywords |
Nuclear Materials, Characterization, Other |