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Meeting MS&T22: Materials Science & Technology
Symposium Thermodynamics of Materials in Extreme Environments
Presentation Title Addressing the Thermodynamic Behavior of Volatile Fission Products in Fluoride Salt-Fueled Molten Salt Reactors: Behavior of Cesium and Iodine
Author(s) Clara M. Dixon, Mina Aziziha, Juliano Schorne-Pinto, Jacob A Yingling, Amir M Mofrad, Theodore M Besmann
On-Site Speaker (Planned) Clara M. Dixon
Abstract Scope Developing accurate thermochemical models to predict the behavior of the volatile fission products cesium and iodine under simulated accident conditions is integral to the development and licensing of any MSR. We are thus developing thermochemical models and values for cesium and iodine in the molten fuel salts which is key to simulating their species formation and transport in a potential MSR accident. We analyzed the pseudo-binary systems of cesium and iodine with LiF-NaF-KF (FLiNaK) through data mining and DSC thermal analysis. We used the Computer CALculation of PHAse Diagrams (CALPHAD) methodology to model the various pseudo-binary systems and interpolated the pseudo-binary systems to generate pseudo-ternary models of cesium with the fluorides of Li-Na-K, and similarly create the first pseudo-quaternary model for cesium with FLiNaK.
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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