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(
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MODEL OF THE EFFECT OF GRAIN SIZE ON PLASTI-CITY IN ULTRA-FINE GRAIN SIZE STEELS
Jin LIU1,Guohui ZHU1,2()
)
图1. 多晶体材料的断裂强度 σf 随晶粒尺寸d的变化
Fig.1. Relationship between fracture strength σf and grain size d in polycrystalline materials
