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Meeting 2021 TMS Annual Meeting & Exhibition
Symposium Thermal Property Characterization, Modeling, and Theory in Extreme Environments
Presentation Title Atmosphere Controlled Thermogravimetric Analysis as a Tool to Screen, Test and Qualify Advanced Fuels under Extreme Conditions
Author(s) Elizabeth S. Sooby
On-Site Speaker (Planned) Elizabeth S. Sooby
Abstract Scope The quantification and classification of the response of advanced nuclear fuel forms to reactor off-normal and accident conditions resulting in oxidant exposure has been at the forefront of fuels testing for the last decade. Though static testing provides insight to material degradation and kinetics, dynamic measurement of the response of a fuel form to oxidant exposure is a superior method of testing and qualification, if performed under relevant and controlled atmospheres. Presented will be the utilization of thermogravimetric analysis in precision engineered atmospheres to probe the susceptibility of advanced and novel fuel forms to off-normal conditions. Included will be screening studies for dopants and additives to accident tolerant fuels, specifically U3Si2 and UN compared to UO2 and uranium metal. Additionally, the latest in oxidation testing in advanced gas reactor relevant atmospheres of TRISO particle fuel and graphite matrix material will be covered.
Proceedings Inclusion? Planned:
Keywords Nuclear Materials, Ceramics,


First-principles Modeling of High Temperature Irradiation Resistant Thermocouple (HTIR-TC) Performance and Oxidation
A Thermodynamically-consistent Model for Heat Transport in Heterogeneous Solids
An Experimentally Validated Mesoscale Model for the Effective Thermal Conductivity of U-Zr Fuels
Atmosphere Controlled Thermogravimetric Analysis as a Tool to Screen, Test and Qualify Advanced Fuels under Extreme Conditions
Defect Density and Annealing Kinetics Estimation Using Thermal Diffusivity Measurements from Transient Grating Spectroscopy
Energy Balance Investigation of Close-coupled Optimized-pressure Gas Atomization Pour-tube Design Geometry to Prevent Melt Freeze-off
Mesoscale Modeling of the Effective Thermal Conductivity of a UO2-Mo Composite Nuclear Fuel
Multiphysics Mesoscale Modeling of Ablative Thermal Protection Systems
Non-magnetic Kondo Effect in Eelta-UZr2
Performance of UO2 Reactor Fuel with High Thermal Conductivity Additives
Phase-dictated Thermal Conductivity Response in Carbon Systems Exposed to Ion Irradiation
Phonon Transport in ThO2 from Neutron Scattering and First-principles Computation
Theory of Non-equilibrium Thermal Transport at High Temperatures from First-principles
Thermal and Mechanical Properties of Hafnon (HfSiO4), Theory and Experiments
Thermal Behaviors of Correlated Insulators ThO2 and SmB6
Thermal Conductivity and Heat Transport Processes of Ion Irradiated and Laser Heated Solids
Thermal Conductivity Degradation from Irradiation-induced Microstructural Defects in Single Crystal Thorium Dioxide
Thermal Gradient Effect on the Transport Properties of Helium and Intrinsic Defects in Tungsten
Thermal Stability of Metallic Multilayers with TripleJjunctions
Thermal Transport Behavior of U-50Zr at the Mesoscale: Before and After Irradiation
Thermal Transport in Irradiated ThO2: A Combined Experimental and Phonon Level Investigation
Ultra-high Lattice Thermal Conductivity and the Effect of Pressure in Superhard Hexagonal BC2N

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