The evolution of blank hold pressure is determined by the effect of work hardening and softening during deep drawing process.
单位压边强度随温度的变化规律与拉深成型过程中材料的软化与硬化作用有关。
2
Work behavior of composite foundation of cemented soil pile is studied by 3D non-linear FEM analysis applying post-peak softening model of cemented soil.
考虑水泥土峰值后软化性能对水泥土桩复合地基性能进行了三维非线性有限元分析。
3
The research results show that obvious softening occurs between the first and second pass and the increasing work hardening exists between following passes.