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作者:... Sumit Bhattacharya , Abdellatif M. Yacout , Kun Mo
来源:[J].Scripta Materialia(IF 2.821), 2017, Vol.131, pp.29-32Elsevier
摘要:Abstract(#br)The study of grain growth kinetics in nano-grained UO 2 samples is reported. Dense nano-grained UO 2 samples with well-controlled stoichiometry and grain size were fabricated using the spark plasma sintering technique. To determine the grain growth kinetics at e...
作者:... Sumit Bhattacharya , Peter Baldo , Abdellatif M. Yacout
来源:[J].Journal of Nuclear Materials(IF 1.211), 2017, Vol.484, pp.168-173Elsevier
摘要:Abstract(#br)The radiation-induced amorphization of U 3 Si 2 was investigated by in-situ transmission electron microscopy using 1 MeV Kr ion irradiation. Both arc-melted and sintered U 3 Si 2 specimens were irradiated at room temperature to confirm the similarity in their re...
作者:Linyun Liang , Zhi-Gang Mei , Abdellatif M. Yacout
来源:[J].Computational Materials Science(IF 1.878), 2017, Vol.138, pp.16-26Elsevier
摘要:Abstract(#br)We have developed a mesoscale phase-field model for studying the effect of recrystallization on gas-bubble-driven swelling in irradiated U-Mo alloy fuel. The model can simulate the microstructural evolution of the intergranular gas bubbles on the grain boundaries as ...
作者:... Sumit Bhattacharya , Peter Baldo , Abdellatif M. Yacout
来源:[J].Journal of Nuclear Materials(IF 1.211), 2017, Vol.484, pp.168-173Elsevier
摘要:Abstract(#br)The radiation-induced amorphization of U 3 Si 2 was investigated by in-situ transmission electron microscopy using 1 MeV Kr ion irradiation. Both arc-melted and sintered U 3 Si 2 specimens were irradiated at room temperature to confirm the similarity in their re...
作者:... Heather M. Connaway , Arthur E. Wright , Abdellatif M. Yacout
来源:[J].Journal of Nuclear Materials(IF 1.211), 2017Elsevier
摘要:Abstract(#br)The Transient Reactor Test Facility (TREAT) at the Idaho National Laboratory is resuming operations after more than 20 years in latency in order to produce high-neutron-flux transients for investigating transient-induced behavior of reactor fuels and their interactio...
作者:Zhi-Gang Mei , Linyun Liang , Abdellatif M. Yacout
来源:[J].Computational Materials Science(IF 1.878), 2018, Vol.142, pp.355-360Elsevier
摘要:Abstract(#br)U-Mo alloys are promising fuels for future high-performance research reactors with low enriched uranium. Surface properties, such as surface energy, are important inputs for mesoscale simulations (e.g., phase field method) of fission gas bubble behaviors in irra...
作者:... David Andersson , Zhi-Gang Mei , Abdellatif M. Yacout
来源:[J].Nuclear Engineering and Design(IF 0.805), 2018, Vol.326, pp.371-382Elsevier
摘要:Abstract(#br)Fission gas behavior of U 3 Si 2 under various loss-of-coolant accident (LOCA) conditions in light water reactors (LWRs) was simulated using rate theory. A rate theory model for U 3 Si 2 that covers both steady-state operation and power transients was developed ...
作者:... Yeon Soo Kim , Mihai Anitescu , Abdellatif M. Yacout
来源:[J].Computational Materials Science(IF 1.878), 2018, Vol.145, pp.86-95Elsevier
摘要:Abstract(#br)The evolution of fission gas bubbles in irradiated materials plays a critical role in the microstructural processes that leads to dimensional changes of U-Mo alloy fuels, e.g., fuel swelling. Although the intergranular bubbles-induced fuel swelling has been long-disc...
作者:... Aaron Oaks , Abdellatif M. Yacout , Kun Mo
来源:[J].Scripta Materialia(IF 2.821), 2018Elsevier
摘要:Abstract(#br)Advanced microstructure investigations of the high-burnup structure (HBS) in UO 2 produced by high-dose 84 MeV Xe ion irradiation are reported. Spark plasma sintered micro-grained UO 2 was irradiated to 1357 dpa at 350 °C. The characteristic nano-grains and micr...
作者:... Yeon Soo Kim , Shaofei Zhu , Abdellatif M. Yacout
来源:[J].Journal of Nuclear Materials(IF 1.211), 2018, Vol.503, pp.314-322Elsevier
摘要:Abstract(#br)The microstructure investigations on a high-energy Xe-implanted U 3 Si 2 pellet were performed. The promising accident tolerant fuel (ATF) candidate, U 3 Si 2 , was irradiated by 84 MeV Xe ions at 600 °C at Argonne Tandem Linac Accelerator System (ATLAS). The ch...

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