Experimentally validated Multiphysics modeling of fracture induced by thermal shocks in Sintered UO2 Pellets
Sign Up to like & getrecommendations! Published in 2022 at "Journal of Nuclear Materials"
DOI: 10.1016/j.jnucmat.2022.153719
Abstract: Commercial nuclear power plants extensively rely on fission energy from uranium dioxide (UO2) fuel pellets that provide thermal energy; consequently, generating carbon-free power in current generation reactors. UO2 fuel incurs damage and fractures during operation… read more here.
Keywords: thermal shock; fracture; fuel; uo2 pellets ... See more keywords
Investigation of a novel on-site U concentration analysis method for UO2 pellets using gamma spectroscopy
Sign Up to like & getrecommendations! Published in 2020 at "Nuclear Engineering and Technology"
DOI: 10.1016/j.net.2020.11.030
Abstract: Abstract As the IAEA has applied integrated safeguards and a state level approach to member states, the importance of national inspection has increased. However, the requirements for national inspection for some member states are different… read more here.
Keywords: concentration analysis; method; site concentration; spectroscopy ... See more keywords
Oxidation of Micro- and Nanograined UO2 Pellets by In Situ Synchrotron X-ray Diffraction
Sign Up to like & getrecommendations! Published in 2022 at "Inorganic Chemistry"
DOI: 10.1021/acs.inorgchem.1c02652
Abstract: When in contact with oxidizing media, UO2 pellets used as nuclear fuel may transform into U4O9, U3O7, and U3O8. The latter starts forming by stress-induced phase transformation only upon cracking of the pristine U3O7 and… read more here.
Keywords: oxidation; situ synchrotron; ray diffraction; synchrotron ray ... See more keywords