图11. 2A12铝合金在185 ℃下人工时效64 h后基体中颗粒状析出相的HRTEM像及SAED花样

Fig.11. HRTEM images and corresponding SAED patterns of the granular precipitates of the 2A12 cold rolled Al sheet aged at 185 ℃ for 64 h
(a) precipitate with the orientations of [100]_S//[001]_Al, [010]_S//[\bar{\mathrm{1}}\bar{\mathrm{2}}0]_Al, [001]_S//[2\bar{\mathrm{1}}0]_Al
(b) precipitate with the orientations of [100]_S//[00\bar{\mathrm{1}}]_Al, [010]_S//[1\bar{\mathrm{2}}0]_Al, [001]_S//[\bar{\mathrm{2}}\bar{\mathrm{1}}0]_Al