| About this Abstract |
| Meeting |
Materials in Nuclear Energy Systems (MiNES) 2021
|
| Symposium
|
Materials in Nuclear Energy Systems (MiNES) 2021
|
| Presentation Title |
Does the Fuel Fabrication Method Have an Impact on the Fuel Performance Microstructure in Uranium-molybdenum? |
| Author(s) |
Maria A. Okuniewski, Gyuchul Park, Lynne Ecker, Simerjeet Gill, Daniel Murray |
| On-Site Speaker (Planned) |
Maria A. Okuniewski |
| Abstract Scope |
Uranium-molybdenum (U-Mo) fuels have applications within both research and test reactor fuels, as well as fast reactor fuels. Each of these reactor types requires differing fabrication methodologies, thus resulting in varied microstructures prior to reactor insertion. Specifically, U-Mo fuels are cast and then rolled to produce a monolithic foil, whereas fast reactor U-Mo fuels are simply cast to produce a fuel rod. Therefore, it is of interest to understand how fabrication influences irradiation performance. This research explored low fluence neutron irradiation effects on rolled and cast U–10 wt.%Mo microstructures as a function of dose and temperature. The evolution of phase fractions, lattice parameters, and strain, was determined with synchrotron X-ray diffraction. Electron microscopy was utilized to complement the phase identification, identify decomposition regions, and characterize defects. |
| Proceedings Inclusion? |
Undecided |