process residual stress 加工残余应力
The expressions of load, displacement, stress and residual stress distribution for hole cold_extrusion process are established by using elastic_plastic theory.
利用弹塑性理论建立了孔冷挤压的载荷、位移、应力以及残余应力分布表达式；
Temperature field distribution of weldment, which reflects complex welding heat process, is a basic on studying welding deformation, residual stress and so on.
焊件中的温度场分布反映了复杂的焊接热过程，是研究焊接变形、焊后残余应力等状况的基础。
The production mechanism of the surface residual stress producing in grinding process is the combined effect on extrusion stress and the cutting stress and the thermal load.
在磨削加工过程中产生表面残余应力，其产生机理是磨粒刃作用引起的挤压应力和切削应力及热应力的综合作用效应。
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