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6 双级时效初期(8 h)试样HAADF-STEM像及SAED花样

Fig.6 HAADF-STEM images and SAED pattern of the T66 sample aged for 8 h
(a) morphology of precipitates viewed along [001]_Al direction and SAED pattern (inset)
(b) morphology of T₁ precipitates viewed along [110]_Al direction