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4. Al-0.7Mg-0.5Si-0.2Cu-0.5Zn合金185 ℃等温时效20 min的TEM像、HRTEM像及对应的Fourier变换(FFT)图
Fig.4. TEM bright field images (a, b), HRTEM image and fast Fourier transform (FFT) image (c) of precipitates in Al-0.7Mg-0.5Si-0.2Cu-0.5Zn alloys after isothermal ageing at 185 ℃ for 20 min
(a) AQ+ageing at 185 ℃ for 20 min (b) PA+ageing at 185 ℃ for 20 min
(c) HRTEM image and FFT image (inset) of typical precipitate in Fig.4a
