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6. 钢的总塑性伸长率ef随d的变化关系曲线
Fig.6. Relationship between the total fracture elongation ef and d
