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3. Al-0.7Mg-0.5Si-0.2Cu-0.5Zn合金的185 ℃等温时效硬化及峰时效态性能曲线
Fig.3. Micro-hardness and peak ageing performance curves of Al-0.7Mg-0.5Si-0.2Cu-0.5Zn alloys during 185 ℃ isothermal ageing (T6—peak ageing, θ—work hardening, σ—strength, σ0.2—yield strength)
(a) age hardening curves
(b) true stress-true strain curves
(c) θ-(σ-σ0.2)
