1Beretta S,Clerici P.Microcrack Propagation and Microstructural Parameters of Fatigue Damage.Fatigue Fract.Engng.Mater.Struct.,1996,19(9):1107
2Tokgji,Ogawa T,Osako S.The Growth of Microstructurally Small Fatigue Cracks in a Ferritic-Pearlitic Steel.Fatigue Fract.Engng Mater.Struct.,1988,11(5):331