Al-5.4Zn-2.6Mg-1.4Cu合金板材的低周疲劳行为

王冠一, 车欣, 张浩宇, 陈立佳

Low-cycle Fatigue Behavior of Al-5.4Zn-2.6Mg-1.4Cu Alloy Sheet

WANG Guanyi, CHE Xin, ZHANG Haoyu, CHEN Lijia

表2 RD与TD方向Al-5.4Zn-2.6Mg-1.4Cu合金的循环应力幅值

Table 2 Maximum stress range of RD and TD Al-5.4Zn-2.6Mg-1.4Cu alloy

Sampling direction Δεt /2=0.4% Δεt /2=0.5% Δεt /2=0.6% Δεt /2=0.7% Δεt /2=0.8% RD 282.5 376.8 417.5 435.6 449.8 TD 305.6 393.0 435.4 454.1 467.5