本文根据铅的刚塑性本构关系，利用均匀塑性变形能法，推导了铅挤压阻尼器的阻尼力滞回模型。
Based on the rigid plastic constitutive equation of lead, the damping force model of lead extrusion damper was deduced from the even plastic deformation energy method.
弹孔周围的绝热剪切带沿主剪应力方向形成，与静态塑性变形滑移线方向接近，绝热剪切带上不均匀的变形将产生微裂纹和微孔洞。
An adiabatic shear band formed along the main shear stress around the penetrated hole is approximately consistent with the direction of plastic deformation slip lines in static state.
筒形件强旋时，由于不均匀的塑性变形，在旋压件内产生残余应力。
Because of the nonuniform plastic deformation, residual stresses occur in spun parts.
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