With Poly Carbonate(PC)as the photoplastic material,twist-compressiondeformation is studied by a photoplastic experimental method.Equldifferent and isoclinecharts are used for analysis of the difference between twist-...With Poly Carbonate(PC)as the photoplastic material,twist-compressiondeformation is studied by a photoplastic experimental method.Equldifferent and isoclinecharts are used for analysis of the difference between twist-compression deformation andupsetting,the factors effecting on it and the distribution of strain curves.展开更多
3-D rigid-viscoplastic FEM of compressible materials was applied to analyze the deformation behavior during twist compression forming of axisymmetrical body at high temperatures. When calculating the temperature fiel...3-D rigid-viscoplastic FEM of compressible materials was applied to analyze the deformation behavior during twist compression forming of axisymmetrical body at high temperatures. When calculating the temperature fields, considering the thermo mechanical coupling effect between temperature and deformation, 2-D FEM and CNG methods were adopted, and the up winding technique was used to avoid the influences of numerical instability on calculated results.展开更多
文摘With Poly Carbonate(PC)as the photoplastic material,twist-compressiondeformation is studied by a photoplastic experimental method.Equldifferent and isoclinecharts are used for analysis of the difference between twist-compression deformation andupsetting,the factors effecting on it and the distribution of strain curves.
文摘3-D rigid-viscoplastic FEM of compressible materials was applied to analyze the deformation behavior during twist compression forming of axisymmetrical body at high temperatures. When calculating the temperature fields, considering the thermo mechanical coupling effect between temperature and deformation, 2-D FEM and CNG methods were adopted, and the up winding technique was used to avoid the influences of numerical instability on calculated results.
