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2. 单个晶粒中的位错塞积示意图
Fig.2. Schematic of dislocation pile-up group in a single grain (td—given applied stress)
