|About this Abstract
||Materials Science & Technology 2019
||Materials for Nuclear Applications
||P3-67: Investigation of Recrystallization and Grain Growth in Uranium 10 wt% Molybdenum
||Jacqueline I. Reeve, Vineet Joshi, David Field
|On-Site Speaker (Planned)
||Jacqueline I. Reeve
Uranium 10 wt% Molybdenum (U-10Mo) is being explored as a replacement for highly enriched uranium (HEU) fuels used in advanced research and test reactors. In this study, the texture and grain growth kinetics of depleted U-10Mo are analyzed. The U-10Mo microstructure and transitions that occur during recrystallization and grain growth are important due to their influence on the fuels performance and swelling kinetics in reactor operation. U-10Mo samples as hot rolled (80% total reduction) and as cold rolled (10%, 30%, and 50% total reduction) were annealed at 600˚C and 700˚C for time periods ranging from 1-8 hours. Electron Backscattered Diffraction (EBSD) was employed to observe and quantify recrystallization and grain growth in the samples. The effects of plastic deformation and annealing temperature control the nucleation and growth rates for recrystallization. Optimum conditions are identified to obtain specific grain size distributions.