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
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

图2. Al-0.7Mg-0.5Si-0.2Cu-0.5Zn合金固溶淬火态及预时效态β″相的激活能计算过程图

Fig.2. The determination of active energy for β″ phase precipitation of Al-0.7Mg-0.5Si-0.2Cu-0.5Zn alloys in the as-quenched and pre-aged conditions (Y—volume fraction, T—temperature, t—ageing time, φ—heating rate, f(Y)—implicit function of Y)
(a) Y-T curves
(b) lnln(1/(1-Y))-lnt curves
(c) ln[(dY/dT)φ/f(Y)]-1/T curves