Zn添加对预时效态Al-Mg-Si-Cu合金自然时效和烘烤硬化性的影响
朱上,李志辉,闫丽珍,李锡武,张永安,熊柏青

Effects of Zn Addition on the Natural Ageing Behavior and Bake Hardening Response of a Pre-Aged Al-Mg-Si-Cu Alloy
Shang ZHU,Zhihui LI,Lizhen YAN,Xiwu LI,Yongan ZHANG,Baiqing XIONG
表5 预时效后自然时效过程中不含Zn和含Zn合金中原子团簇的尺寸、Mg/Si原子比变化以及含Zn合金中原子团簇Mg/Zn原子比变化
Table 5 Changes in the average radius and the Mg/Si ratio of clusters in the Zn-free and Zn-added alloys and the Mg/Zn ratio of clusters in the Zn-added alloy during NA after PA
AlloyAgeing treatmentAverage radius / nmMg/Si ratioMg/Zn ratio
Zn-freePA+NA 2 d1.031.12-
PA+NA 120 d1.051.04-
Zn-addedPA+NA 2 d1.081.236.17
PA+NA 120 d1.131.133.22