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()
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图5. 外加应力分别为616 MPa, 1946 MPa和相应的断裂 强度时, 多晶体中FR源的可开动几率Ff随d的变化关系曲线
Fig.5. Relationship between the probability of activated FR sources in polycrystal Ff and d under the applied stress of 616 MPa, 1946 MPa and the corresponding fracture strength
