时效温度对SiC/Al-Zn-Mg-Cu复合材料时效析出行为的影响

张冉, 朱士泽, 刘振宇, 柯于斌, 王东, 肖伯律, 马宗义

Influence of Aging Temperatures on Precipitation Behaviors of SiC/Al-Zn-Mg-Cu Composites

ZHANG Ran, ZHU Shize, LIU Zhenyu, KE Yubin, WANG Dong, XIAO Bolv, MA Zongyi

图3 15%SiC/7085Al复合材料在100℃时效不同时间后析出相的TEM分析

Fig.3 TEM bright field images (a, d), low (b, e) and high (c, f) magnified HRTEM images of precipitates in 15%SiC/7085Al composites after aging at 100oC for 0.5 h (a-c) and 3 h (d-f); and corresponding fast Fourier transform (FFT) (c1, f1) of Figs.3c and f, respectively (Various types of precipitates are indicated by arrows with different colors, and the characteristic streaks are highlighted with green boxes)