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

表1 TC4 ELI合金的名义成分

Table 1 Nominal composition of TC4 ELI alloy (%, mass fraction)

Al V Fe C O N H Ti 5.50~6.50 3.60~4.40 ≤0.25 ≤0.08 ≤0.13 ≤0.03 ≤0.0125 Bal.