后时效对超细晶6061铝合金微观结构与力学性能的影响

刘满平, 薛周磊, 彭振, 陈昱林, 丁立鹏, 贾志宏

Effect of Post-Aging on Microstructure and Mechanical Properties of an Ultrafine-Grained 6061 Aluminum Alloy

LIU Manping, XUE Zhoulei, PENG Zhen, CHEN Yulin, DING Lipeng, JIA Zhihong

图6 不同状态下合金内部析出的演变示意图

Fig.6 Schematics of the evolution of the internal precipitation of the alloy in different states Color online (a) solid-solution treatment (SST) (b) ECAPed (c) high temperature (> 110oC) post-aging after ECAP (d) low temperature (< 80oC) post-aging after ECAP