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3 单级时效192 h峰值试样的微观组织分析

Fig.3 Microstructures and T₁ diameter distribution of the peak-aged T6 sample at 192 h
(a) HAADF image of precipitates viewed along the [001]_Al direction (Inset is the corresponding atomic-resolution HAADF image of a δ'/θ'/δ' composite precipitate)
(b) HAADF image of T₁ precipitates viewed along the [110]_Al direction
(c) T₁ diameter distribution