Elsevier期刊
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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:Zhi-Gang Mei , Gerard Hofman
来源:[J].Nuclear Engineering and Design(IF 0.805), 2017, Vol.322, pp.336-344Elsevier
摘要:Abstract(#br)Rate theory simulations of fission gas behavior in U 3 Si 2 are reported for light water reactor (LWR) steady-state operation scenarios. A model of U 3 Si 2 was developed and implemented into the GRASS-SST code based on available research reactor post-irradiation exa...
作者:Zhi-Gang Mei , Linyun Liang ...
来源:[J].Journal of Nuclear Materials(IF 1.211), 2016, Vol.473, pp.300-308Elsevier
摘要:Abstract(#br)Grain size is an important factor in controlling the swelling behavior in irradiated U–Mo dispersion fuels. Increasing the grain size in U–Mo fuel particles by heat treatment is believed to delay the fuel swelling at high fission density. In this work, a multisc...
作者:Zhi-Gang Mei , Marius Stan , Jiong Yang
来源:[J].Journal of Alloys and Compounds(IF 2.39), 2014, Vol.603, pp.282-286Elsevier
摘要:Abstract(#br)The structural and elastic properties, lattice dynamics and thermophysical properties of uranium dioxide (UO 2 ) were studied by DFT based first-principles calculations. LDA+ U method shows the overall best description of the lattice parameters and elastic constants ...
作者:Zhi-Gang Mei , Marius Stan
来源:[J].Journal of Alloys and Compounds(IF 2.39), 2014, Vol.588, pp.648-653Elsevier
摘要:Abstract(#br)We studied the structural behavior and phase stability of UN under high pressures up to 200 GPa and temperatures up to 1500 K using density functional theory calculations in the generalized gradient approximation. The results show that a pressure-induced structu...
作者:Zhi-Gang Mei , Abdellatif M. Yacout ...
来源:[J].Journal of Nuclear Materials(IF 1.211), 2016, Vol.471, pp.208-213Elsevier
摘要:Abstract(#br)Using density-functional theory based first-principles calculations we provided a comparative study of the diffusion barrier properties of TiN, ZrN, and HfN against Al for U–Mo dispersion fuel applications. We firstly examined the thermodynamic stability of thes...
作者:Zhi-Gang Mei , Yi Wang ...
来源:[J].Computational Materials Science(IF 1.878), 2014, Vol.83, pp.114-119Elsevier
摘要:Abstract(#br)We performed a density-functional theory study of the mechanical properties, phonon and phase stability of TiO 2 in the structures of rutile, anatase, columbite, baddeleyite, OI, cotunnite, fluorite, and pyrite. Six exchange–correlation functionals were used to ...
作者:Zhi-Gang Mei , Abdellatif M. Yacout ...
来源:[J].Journal of Nuclear Materials(IF 1.211), 2016, Vol.471, pp.208-213Elsevier
摘要:Abstract(#br)Using density-functional theory based first-principles calculations we provided a comparative study of the diffusion barrier properties of TiN, ZrN, and HfN against Al for U–Mo dispersion fuel applications. We firstly examined the thermodynamic stability of thes...
作者:Zhi-Gang Mei , Linyun Liang ...
来源:[J].Journal of Nuclear Materials(IF 1.211), 2016, Vol.473, pp.300-308Elsevier
摘要:Abstract(#br)Grain size is an important factor in controlling the swelling behavior in irradiated U–Mo dispersion fuels. Increasing the grain size in U–Mo fuel particles by heat treatment is believed to delay the fuel swelling at high fission density. In this work, a multisc...
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...

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