b'and the resulting 3D tomographicresolution and contrast, which will reconstruction revealed significantultimately lead to improved feature fuel disruption and other featuresdetectability and enable extraction that were not visible in the 2Dof quantitative information that radiographs. The Zircaloy claddingwill inform the fuel qualification melted around the fueled regionprocess. The researchers involved and collected in the bottom of thein this project are working with capsule. Droplets of molten claddingmany colleagues at universities, solidified along the fuel columnindustry, national and international resembling melted wax runninglaboratories to pursue multiple down the side of a candle. The 3Dactivities towards establishing nCT tomogram enables potential futurecapabilities for postirradiation analysis that could quantify theexamination (PIE) and defining volume of cladding relocated intothe state of the art for visualizing different areas inside the capsule.nuclear materials with neutron These initial results represent thebeams. Early successes such as worlds first digital neutron tomog- those reported here demonstrate raphy of irradiated unclear fuel.the feasibility and applicability of nCT for PIE and garner the support The current digital neutron imagingrequired to accelerate further system was a prototype systemdevelopment of these capabilities.for initial capability development. The lessons learned from this system will inform the design of a next-generation neutron imaging system that will provide higher 2019|AFC ACCOMPLISHMENTS 125'