|About this Abstract
||2016 TMS Annual Meeting & Exhibition
||Computational Materials Engineering for Nuclear Reactor Applications
||Z-10: Texture Measurement and Prediction of Rolled α-uranium Foil
||Robert Klein, Elena Garlea, Sean Agnew
|On-Site Speaker (Planned)
Low-enriched uranium (LEU) foil is a candidate target material for production of the medical isotope Tc-99m. To explore the effects of thermomechanical processing on these foils, surrogate depleted uranium foils were prepared for study by hot-rolling a cast plate to the target thickness. The post-rolling texture of the samples was measured by both X-ray and neutron diffraction and their microstructure was examined by optical microscopy. Continuum finite element (FE) analysis, with an isotropic J2 (von Mises) plasticity constitutive law, was used to simulate the strain history experienced by the material during rolling. This strain history was used as an input for visco-plastic self-consistent (VPSC) polycrystal plasticity simulations of texture evolution and subsequent material response. The combined FE-VPSC framework was validated with the experimentally measured texture of the rolled foils, allowing for textural and post-rolling attributes to be predicted a priori, for variations in the rolling process parameters.
||Planned: A print-only volume