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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:Linyun Liang , Zhi-Gang Mei ...
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:Linyun Liang , Yeon Soo Kim ...
来源:[J].Journal of Nuclear Materials(IF 1.211), 2018, Vol.511, pp.438-445Elsevier
摘要:Abstract(#br)We have developed a mesoscale model to calculate the degradation of the effective thermal conductivity in irradiated U-Mo alloys caused by the fission-induced gas bubbles and recrystallization. The phase-field approach is employed to generate the grain microstructure...
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:Linyun Liang , Zhi-Gang Mei ...
来源:[J].Computational Materials Science(IF 1.878), 2016, Vol.124, pp.228-237Elsevier
摘要:Abstract(#br)A mesoscale model is developed by integrating the rate theory and phase-field models and is used to study the fission-induced recrystallization in U-7Mo alloy. The rate theory model is used to predict the dislocation density and the recrystallization nuclei density d...
作者:Linyun Liang , Zhi-Gang Mei ...
来源:[J].Computational Materials Science(IF 1.878), 2016, Vol.124, pp.228-237Elsevier
摘要:Abstract(#br)A mesoscale model is developed by integrating the rate theory and phase-field models and is used to study the fission-induced recrystallization in U-7Mo alloy. The rate theory model is used to predict the dislocation density and the recrystallization nuclei density d...
作者:Linyun Liang , Yeon Soo Kim ...
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:... Yuming Ma , Zhen-Hong Dai , Linyun Liang
来源:[J].Solid State Communications(IF 1.534), 2015, Vol.201, pp.43-48Elsevier
摘要:Abstract(#br)We present a possible physical origin underlying the relationship between temperature and hydrogen (H) blistering nucleation/dissociation in metals according to systematic first-principles calculations in junction with statistical model and diffusion theory employing...
作者:Zhi-Gang Mei , Linyun Liang , Abdellatif M. Yacout
来源:[J].Computational Materials Science(IF 1.878), 2017, Vol.133, pp.175-184Elsevier
摘要:Abstract(#br)To evaluate the effectiveness of ZrN as a diffusion barrier against fission gases, we investigate the incorporation and migration of fission gas atoms, with a focus on Xe, in ZrN by first-principles calculations. The formations of point defects in ZrN, including vaca...
作者:... Yinbin Miao , Linyun Liang , Abdellatif M. Yacout
来源:[J].Journal of Nuclear Materials(IF 1.211), 2019, Vol.513, pp.192-197Elsevier
摘要:Abstract(#br)Uranium silicides are currently under investigation as accident tolerant fuels for light water reactors because of its high uranium density and high thermal conductivity. Surface energy as an important material property is required for modeling of gas bubble behavior...

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