自然时效对<strong>Al-2.95Cu-1.55Li-0.57Mg-0.18Zr</strong>合金<strong>160℃</strong>人工时效的影响

自然时效对Al-2.95Cu-1.55Li-0.57Mg-0.18Zr合金160℃人工时效的影响

巩向鹏, 伍翠兰, 罗世芳, 沈若涵, 鄢俊

Effect of Natural Aging on Artificial Aging of an Al-2.95Cu-1.55Li-0.57Mg-0.18Zr Alloy at 160^oC

GONG Xiangpeng, WU Cuilan, LUO Shifang, SHEN Ruohan, YAN Jun

图1 合金经单、双级时效处理后的力学性能

Fig.1 Mechanical properties of the alloys with T6 and T66 treatment
(a) age-hardening curves vs aging time
(b) engineering stress-strain curves of peak-aged T6 alloys at 96 and 192 h, respectively
(c) engineering stress-strain curves of peak-aged T66 alloys at 96 and 192 h, respectively
(d) diagram of tensile properties