固体材料的塑性功率方程与后继屈服函数

The Equation of Plastic Deformation and the Subsequent Yield Function of Solid Materials

依据内变量塑性理论,给出以内变量表示的塑性屈服与静水压力无关、塑性屈服与静水压力有关的两类固体材料的塑性功率方程.由塑性功率方程得到用内变量表示的两类固体材料的后继屈服函数,并建立了塑性功率方程与后继屈服函数的联系,总结出由固体材料塑性功率方程得到后继屈服函数的方法.

According to the internal variable theory of plasticity,the equations of the plastic deformation of two kinds of solid materials expressed by internal variables are given.The subsequent yield functions of these two kinds of solid materials expressed by internal variables are obtained based on the equations of plastic deformation,and the connection between the equation of plastic deformation and the subsequent yield function is established.Finally,the method of obtaining subsequent yield function from the equation of plastic deformation is summarized.