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3 预时效态不含Zn和含Zn合金在自然时效条件下的屈服强度计算值
Table 3 Calculated yield strengths of the pre-aged Zn-free and Zn-added alloys during NA after PA (Clusters are identified in Figs.5a~d)
AlloyAgeing treatmentPrecipitate typeYield strength / MPa

Zn-free

PA+NA 2 dCluser33.6
PA+NA 120 dCluser36.9

Zn-added

PA+NA 2 dCluser40.7
PA+NA 120 dCluser47.4