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1,李志辉1(
),闫丽珍1,李锡武1,张永安1,熊柏青1,2
),闫丽珍1,李锡武1,张永安1,熊柏青1,2
Effects of Zn Addition on the Natural Ageing Behavior and Bake Hardening Response of a Pre-Aged Al-Mg-Si-Cu Alloy
ZHU Shang1,LI Zhihui1(),YAN Lizhen1,LI Xiwu1,ZHANG Yongan1,XIONG Baiqing1,2
),YAN Lizhen1,LI Xiwu1,ZHANG Yongan1,XIONG Baiqing1,2
图5. 不同时效条件下不含Zn和含Zn合金中析出相尺寸与形状的关系
Fig.5. Relationships between the size and shape of precipitates in the Zn-free (a, c, e, g) and Zn-added (b, d, f, h) alloys under different ageing conditions (x, y and z are the dimensions of each precipitate measured along three orthogonal axes of best-fit ellipsoid)(a, b) PA+NA 2 d (c, d) PA+NA 120 d(e, f) PA+NA 2 d+BH (g, h) PA+NA 120 d+BH
