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根据金属宏观塑性变形的特点 ,提出了塑性主剪切带的概念 .并且利用这一概念详细分析了平面应力和平面应变塑性变形的特征线理论 .塑性主剪切带作为金属变形的一个基本物理特征 ,为金属塑性变形的宏观唯象理论补充了一个新概念 .
According to the characteristics of macroscopic plastic deformation, the concept of plastic primary shear band is proposed, and the theory of characteristic lines of plane stress and plane strain plastic deformation is analyzed in detail.The plastic primary shear band, as a basic physical deformation of metal Features, which add a new concept to the macroscopic phenomenological theory of metal plastic deformation.