7055铝合金的非等温双级时效行为
李吉臣1, 冯迪1,2(), 夏卫生2, 郭为民3(), 王国迎1
The Non-Isothermal Double Ageing Behaviour of 7055 Aluminum Alloy
LI Jichen1, FENG Di1,2(), XIA Weisheng2, GUO Weimin3(), WANG Guoying1

图6. 不同时效状态下晶界的TEM 像

Fig.6. TEM images of grain boundary after ageing treated of T6 (a), T73 (b), 1/215/L (c), 3/225/L (d) and RRA (e)