WebApr 15, 2024 · The preparation of dense uranium nitride fuel compacts, with density greater than 90% of theoretical, has been described by Tennery et al [6].. While uranium mononitride has an elevated melting point (as observed by Carvajal Nunez et al [7].), it has been found to decompose below this temperature, Lunev et al [8]. WebJul 27, 2024 · Uranium nitride, as the main form of nitride nuclear fuel, is superior to conventional oxide fuels (MOX, UO 2) in multiple ways (see Table 1): it possesses higher …
National Center for Biotechnology Information
WebProperties; Chemical formula. U 2 N 3: Molar mass: 518.078 g/mol: Appearance: crystalline solid: Density: 11300 kg·m −3, solid: Melting point: ... Uranium nitride refers to a family … WebJun 28, 2012 · The only reports of terminal uranium nitrides pertain to UN, NUN, and UNF 3 prepared under matrix isolation conditions at 4 K (9–11) and the [NUO] + cation observed with mass spectrometry (12, 13).Molecular uranium nitride complexes that have been isolated under ambient conditions in exploitable quantities exclusively exhibit polymetallic … mechanical room storage regulations
Synthesis and Structure of a Terminal Uranium Nitride Complex
WebOct 1, 2008 · Nitride fuel is a promising nuclear fuel in fast breeder reactor (FBR) or accelerator-driven subcritical reactor (ADSR) system. In this study, high-density UN pellets were prepared by Spark plasma sintering (SPS) technique. The sample density strongly depended on the sintering temperature and pressure, and the pellets with 90% of … WebU3Si2C2 is expected to be a new nuclear fuel as a ternary compound of uranium, silicon and carbon. However, the relevant research on U3Si2C2 under accident conditions is rarely reported. Hence it is necessary to explore the service behavior of the potential U-Si-C ternary nuclear fuel in extreme environments. In this work, the structural characteristics, … WebApr 1, 2024 · However, uranium nitride reacts chemically when in contact with water, especially at high temperatures. To overcome this challenge, several advanced composite fuels have been proposed with uranium ... peloton board of directors 2022