Complex Precipitation Sequences of Al-Cu-Li-(Mg) Alloys Characterized in Relation to Thermal Ageing Processes

Zhen Gao, Jiang-Hua Chen†, Shi-Yun Duan, Xiu-Bo Yang, Cui-Lan Wu

Fig.4 HAADF-STEM images of the samples treated with NA60 days plus ageing at 180°C for various times: a 0.5 h, b 28 h, c 52 h, viewed along <100>Al