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您的检索式：作者名="Pandong Lin"
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| 1 | Experimental and Numerical Analysis of the Uniaxial Tensile Properties of F321 Austenitic Stainless Steel at Different Temperatures显示文摘F321 austenitic stainless steel,well known for its excellent corrosion and oxidation resistance,is widely used as a structural component in the pipelines and pumps of light water reactors(LWRs)and generation IV(GenlV)reactors.However,the material failure arising from the high-temperature softening of the 300 series austenitic stainless steels has recently received significant attention.In this study,we conducted uniaxial tensile tests on F321 stainless steel at different temperatures.P\irthermore,we developed a face-centered cubic(FCC)crystal plasticity method emphasizing the temperature factor of the evolution of dislocations inferred by the physical mechanisms at the microscopic level to simulate the polycrystalline mechanical response and model the high-temperature softening phenomenon of F321 austenitic stainless steel.Subsequently,this model was implemented using the ABAQUS finite-element platform.On this basis,the crystal plastic finite-element method(CPFEM)of F321 stainless steel was established.The calculated results were in good agreement with the experimental results,which validated the effectiveness of this numerical method. | Meidan Liu Junfeng Nie Pandong Lin | 2022 | Acta Mechanica Solida Sinica2022，35，3： | 0 |
| 2 | A Crystal Plasticity Model with Irradiation Effect for the Mechanical Behavior of FCC Metals显示文摘In this paper,a crystal plasticity model considering the irradiation effect based on the thermal activation theory is established.The evolutions of screw dislocations,edge dislocations,and stacking fault tetrahedrals(SFTs)(induced by irradiation)are included into the model.The interactions between dislocations and irradiation-induced SFTs are also considered.The constitutive model is numerically implemented on the ABAQUS platform through UMAT subroutine and applied to study the irradiation effect on the mechanical behavior of pure copper.The mechanical properties of single and polycrystalline copper are studied,and the simulation results show that the constitutive model can properly predict the mechanical behavior of irradiated pure copper.Especially for polycrystalline copper,the simulation results are in good agreement with the experimental data. | Jnnfeng Nie Yunpeng Liu Pandong Lin Qihao Xie Zhanli Liu | 2019 | Acta Mechanica Solida Sinica2019，32，6： | 0 |
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