时效路径对Al-0.7Mg-0.5Si-0.2Cu-0.5Zn合金沉淀析出行为的影响
朱亮1, 郭明星1,2(
), 袁波1, 庄林忠1,2, 张济山1,2
), 袁波1, 庄林忠1,2, 张济山1,2
Effect of Ageing Routes on Precipitation Behaviors of Al-0.7Mg-0.5Si-0.2Cu-0.5Zn Alloy
ZHU Liang1, GUO Mingxing1,2(), YUAN Bo1, ZHUANG Linzhong1,2, ZHANG Jishan1,2
), YUAN Bo1, ZHUANG Linzhong1,2, ZHANG Jishan1,2
图5. Al-0.7Mg-0.5Si-0.2Cu-0.5Zn合金峰时效态的TEM像、HRTEM像和对应的FFT图，以及析出相尺寸分布图
Fig.5. TEM bright field images (a, b), HRTEM images and FFT (insets) (c~e), and length distributions of precipitates (f) in Al-0.7Mg-0.5Si-0.2Cu-0.5Zn alloys after isothermal ageing to peak ageing
(a) AQ+peak ageing (b) PA+peak ageing (c) HRTEM image of β″ precipitates in Fig.5a (d) HRTEM image of β″ precipitates in Fig.5b (e) HRTEM image of L precipitates in Fig.5b (f) length distribution of precipitates in Figs.5a and b
