About this Abstract |
Meeting |
2023 TMS Annual Meeting & Exhibition
|
Symposium
|
Frontiers in Solidification: An MPMD Symposium Honoring Jonathan A. Dantzig
|
Presentation Title |
Dealloying of Metals in Molten Salts – From Atomistic to Mesoscale Simulations |
Author(s) |
Nathan Bieberdorf, Nick Winner, Luke Langford, Andrea Hwang, Raluca Scarlat, Laurent Capolungo, Mark D. Asta |
On-Site Speaker (Planned) |
Mark D. Asta |
Abstract Scope |
Dealloying is a well-studied process in alloys exposed to liquids that selectively dissovle one element over another. The phenomenon can lead to formation of complex interconnected dealloyed patterns useful for the development of nanoporous materials. This talk focuses on the analogous process of dealloying in the context of molten salt corrosion of structural metals, a subject of current interest for research related to molten-salt nuclear reactors. We present results of atomistic simulations of bulk and interfacial systems, as well as phase field modeling using methods based on previously published models for liquid-metal dealloying, to investigate phenomena related to molten salt corrosion. Specific topics include the nature of the solvation of corrosion products in molten salts, the structure and kinetics of metal/salt interfaces, and the role of grain boundaries, interfacial transport processes and triple junctions on dealloying rates and morphologies. Research supported by the DOE-BES FUTURE EFRC. |
Proceedings Inclusion? |
Planned: |
Keywords |
Modeling and Simulation, Nuclear Materials, ICME |