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Meeting 2021 TMS Annual Meeting & Exhibition
Symposium Materials and Chemistry for Molten Salt Systems
Presentation Title Alloy compatibility in flowing Cl and F salts
Author(s) Bruce A. Pint, Dino Sulejmanovic, J. Matthew Kurley, Stephen S. Raiman
On-Site Speaker (Planned) Bruce A. Pint
Abstract Scope There is considerable interest in molten salts for concentrating solar power (CSP) and nuclear applications. The most important assessment of salt compatibility is in a flowing, non-isothermal experiment and thermal convection loops (TCLs) have been used for decades to provide compatibility data. For the CSP application with commercial MgCl2-KCl-NaCl salt, small mass changes were found with both purified (>500 ppm O) salt and when the salt was only dried. Classic dissolution-precipitation behavior was observed after 1000 h operation for both NiCr alloys 600 and C276 in an alloy 600 TCL with a peak temperature of 700C and no degradation of the room temperature tensile properties was observed. For a nuclear application, a TCL is being constructed from type 316H stainless steel for operation with FLiBe salt and a peak temperature of 650C is targeted. Results will be presented after 1000 h operation.
Proceedings Inclusion? Planned:
Keywords High-Temperature Materials, Environmental Effects, Characterization


A high-temperature thermodynamic reference electrode enclosed in an alumina tube
Ab Initio Molecular Dynamics Simulations of Actinide Molten Chloride Salts
Alloy compatibility in flowing Cl and F salts

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