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Meeting MS&T25: Materials Science & Technology
Symposium Emergent Materials Under Extremes and Decisive In Situ Characterizations
Presentation Title Metal Fuel Performance in Sodium-Cooled Fast Reactors: Post Irradiation Examination
Author(s) Tiankai Yao, Randall S. Fielding, Yachun Wang, Colby Jensen, Douglas L. Porter
On-Site Speaker (Planned) Tiankai Yao
Abstract Scope The United States Department of Energy (DOE) has extensive research and development experience in sodium-cooled fast reactor technologies, such as the Experimental Breeder Reactor-II (EBR-II) and the Fast Flux Test Facility (FFTF). Specifically, metal fuels were used as driver fuel and tested under both steady-state and off-normal reactor conditions, which demonstrated excellent fuel performance with a large safety margin. To improve understanding of metal fuel performance under steady state and transient conditions and address the current industry needs for fuel qualification, the DOE's Office of Nuclear Energy Advanced Fuel Campaign is now carrying out post-irradiation examination (PIE) and post-testing characterization of irradiated legacy metal fuel specimens from EBR-II and FFTF. This presentation will discuss our progress in characterization of metal fuel in extreme radiation environment through a combination of post mortal and in-situ techniques.

OTHER PAPERS PLANNED FOR THIS SYMPOSIUM

Approaches to Functional High-Pressure Phases: Pressure Aging and Structural Mimicry
Assessment of Defects in AlGaN Induced by High Electronic Excitations Using Ionoluminescence and RBS Channeling
Characterization of Phase Transformations in Oxides Driven by Far-From-Equilibrium Conditions
Deployment and Testing of a Fiber-based Instrument for In-reactor Thermal Property Measurements at MIT Research Reactor
Dynamic behavior of porous materials under shock loading
Emergent Material Characterization by Synchrotron-Based X-ray Imaging, Spectroscopy and Scattering
Exploring Catalytic Pathways Using Advanced X-Ray Spectroscopy Techniques
High Temperature Creep, Plasticity and Failure; New Insights from In Situ TEM
In-Situ Characterization of High-Temperature Degradation of Nuclear Materials under Extreme Environments
In-Situ Neutron Diffraction-Based Creep Evaluation of Co- and Ni-Based Superalloys Produced by Laser Powder Bed Fusion
In Situ Characterization of Rare Earth Element Complexation and Crystallization Pathways in Hydrothermal Fluids under Extreme Conditions
In Situ Ion Irradiation of Uranium Carbide
In Situ Tomography Testing in Extreme Environments
Metal Fuel Performance in Sodium-Cooled Fast Reactors: Post Irradiation Examination
Pressure-induced changes in the density and local structure of GeO2 glass under high pressure
Quantifying Micromechanical Behavior of Fe-36Ni Invar Alloy in Low-Temperature Conditions using 3D X-ray Diffraction
Studies of quantum materials under high pressure

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