超细晶粒钢中晶粒尺寸对塑性的影响模型*
刘觐1,朱国辉1,2()
MODEL OF THE EFFECT OF GRAIN SIZE ON PLASTI-CITY IN ULTRA-FINE GRAIN SIZE STEELS
Jin LIU1,Guohui ZHU1,2()

图3. 相应断裂强度下单个晶粒的位移量 Df0 随d的变化曲线

Fig.3. Relationship between the displacement of a single grain Df0 and d under the corresponding fracture strength