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Meeting MS&T22: Materials Science & Technology
Symposium Thermodynamics of Materials in Extreme Environments
Presentation Title Density, Volatility, and Viscosity of Molten Sodium and Potassium Chloride Salts
Author(s) Michaella Swinhart, Jordan Barr, Ralf Sudowe, Scott Beckman, Kyle Makovsky, Bruce McNamara, Charmayne Lonergan, Jason Lonergan
On-Site Speaker (Planned) Michaella Swinhart
Abstract Scope Thermophysical properties are of critical importance to the successful demonstration of a molten salt reactor (MSR) as they establish some critical design constraints. This study focuses on the sodium and potassium-chloride (ClNaK) salt system. Many of these properties need to be understood to optimize models and for successful reactor operations. Volatility experiments are underway using thermal gravimetric analysis (TGA) that will elucidate the thermal stability of ClNaK salts. Viscosity is being developed by method of parallel plate utilizing a thermomechanical analyzer (TMA). Current density experiments performed using a modified geometric method, align well with literature values. For instance, initial measurements give a density of pure KCl and NaCl at 800C of 1.41 and 1.44 g/cm3 which are within 5% of previously reported values. This talk will detail the development of the molten salt characterization techniques and the results found in the ClNaK system.
Proceedings Inclusion? Undecided

OTHER PAPERS PLANNED FOR THIS SYMPOSIUM

Addressing the Thermodynamic Behavior of Volatile Fission Products in Fluoride Salt-Fueled Molten Salt Reactors: Behavior of Cesium and Iodine
Calorimetric Determination of Melting Point Temperatures, Heat Capacities, and Heats of Fusion of Binary NaCl−UCl3 and MgCl2 − UCl3 Systems
Density, Volatility, and Viscosity of Molten Sodium and Potassium Chloride Salts
Design of High Melting Point Materials via Deep Learning and First Principles
Effect of Desulfurizer on Hot Metal Pretreatment
Enthalpy of Mixing of LaCl3 − LiCl:KCl Pseudo Binary Molten Salt System
High Temperature Boron, Lithium, Iron, and Nickel Aqueous Thermochemistry for Pressurized Water Nuclear Reactors
Investigation of the Thermodynamics of Intermetallic Materials in the Simulation of Synthesis in the Ti-Al system
Measuring Interfacial Thermodynamics from High Temperature In situ TEM Based Bicrystals Tested under Mechanical Load
Melting Point, Enthalpy of Fusion, and Excess Heat Capacity of a FLiNaK Determined by the CALPHAD Method
Persistence of Materials Under Extreme Conditions
Phase Diagrams of Metal-Nitrogen Compounds at High Pressure and High Temperature
Predictive Modeling of Complex Liquids with Uncertainty Quantification by Open-Source Tools: Illustrated with Thermodynamic Properties of Molten Salts
The Thermochemical Stability of Rare Earth Oxides and Silicates for Thermal/Environmental Barrier Coating Applications
There is More to Heat Capacity Measurements than Calculating Entropy
Thermo-mechanical Property Prediction of Materials Using a Python Based Interface with Quantum Espresso
Thermodynamic Database Development with a Focus on Corrosion in Potential Nuclear Reactor Molten Salt Systems
Thermodynamic Modelling and Experimental Investigation of LiCl-NaCl-UCl3 and KCl-NaCl-UCl3 Systems
Thermophysical Properties of Key Binary Salt Systems using High-Sensitivity Twin Calvet Drop Calorimetry for Next Generation Molten Salt Reactors

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