|About this Abstract
||2018 TMS Annual Meeting & Exhibition
||Accident Tolerant Fuels for Light Water Reactor
||Development of Cold Spray Coatings for Accident Tolerant Fuel (ATF) Cladding
||Kumar Sridharan, Benjamine Maier, Greg Johnson, Hwasung Yeom, Tyler Dabney, Mia Lenling, Payton Scallon, Samantha Joers, Kyle Blomstrand, Javier Romero, Hemant Shah, Jorie Walters, Peng Xu
|On-Site Speaker (Planned)
Under the auspices of the U.S. DOE’s Phase 2 ATF program, University of Wisconsin, Madison and Westinghouse Corporation are collaborating to develop the cold spray technology for the deposition of metallic coatings on zirconium-alloy LWR fuel cladding for enhanced accident tolerance. In the cold spray process, powder particles of the coating material are propelled at supersonic velocities on to the surface of a substrate to form a coating which occurs by plastic deformation and adiabatic shear of impacting particles. The coatings have been extensively tested under simulated LOCA and beyond LOCA conditions. Pre-and post-test microstructural characterization of the coatings has been performed by SEM-EDS and XRD techniques. Mechanical properties to assess the structural integrity of the coatings including, axial elongation and burst tests were performed on coated ZIRLOTM tubes. Overall, out-of-pile results indicate that metallic coatings are a promising option for coated-cladding ATF concepts.
||Planned: Supplemental Proceedings volume