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
), 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
), ZHANG Haoyu, CHEN Lijia
图7. RD与TD方向Al-5.4Zn-2.6Mg-1.4Cu合金的疲劳裂纹源区与裂纹扩展区形貌
Fig.7. Photographs of fatigue crack initiation and fatigue crack propagation regions of Al-5.4Zn-2.6Mg-1.4Cu alloy (a) fatigue crack initiation region, RD direction; (b) fatigue crack initiation region, TD direction; (c) fatigue crack propagation region, RD direction; (d) fatigue crack propagation region, TD direction
