单向器，传动轴，冷挤压件，摇窗电机。
Starter Drive, Transmission Shaft, Cold Forging Parts, Lift Motor.
利用正应力图形和剪应力图形，分析了单向拉伸、拉深及挤压工序中典型点的变形类型及尺寸变化趋势。
In addition, the stress-strain of typical points in simple tension, drawing, and extrusion was successfully analyzed by the figures.
由于拉伸孪晶只能单向启动，AZ31B镁合金在挤压方向的动态拉压不对称性显著。
Because of the polarity of tension twining, the tension-compression asymmetry of AZ31B magnesium alloy is much pronounced when tested along extruding direction.
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