根据金属塑性流动理论和设计方法，提出新的热挤压工艺。
According to metal plasticity flow theory and design methods, a new hot extrusion process was proposed.
模具几何形状是影响金属塑性流动的主要因素之一，通过改变模具的几何形状可以改变金属的塑性流动。
The mold shape is one major factor which affects metal deformation rules, but metal plastic deformation process can be controlled through the change of the mold shape.
从压入量、倾角、搅拌工具的外形、焊接速度、旋转速度和材料所处位置等方面研究了工艺参数对金属塑性流动的影响。
The influences of plunge depth, push angle, profile of tool, rotation speed and welding speed on metal flowing were studied.
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