缺口应力集中系数对TC4 ELI合金低周疲劳性能的影响
刘天福, 张滨, 张均锋, 徐强, 宋竹满, 张广平

Effect of Notch Stress Concentration Factors on Low-cycle Fatigue Performance of TC4 ELI Alloy
LIU Tianfu, ZHANG Bin, ZHANG Junfeng, XU Qiang, SONG Zhuman, ZHANG Guangping
图4 缺口应力集中系数不同的TC4 ELI试样的循环应力-应变滞回线
Fig.4 Fatigue hysteresis loops of TC4 ELI specimens with different notch stress concentration factors (a) Kt =1, (b) Kt =1.97, (c) Kt =2.64, (d) Kt =3.62