超细层片结构Al-4%Cu合金的点蚀行为

辛叶春, 徐伟, 赵东杨, 张波

Pitting Corrosion Behavior of Ultra-fine Lamellated Al-4%Cu Alloy

XIN Yechun, XU Wei, ZHAO Dongyang, ZHANG Bo

图4 80 ℃时效过程显微硬度变化及不同时效时间后的组织

Fig.4 Variation of Vickers hardness of clod UFL Al-4%Cu at 80 ℃ with aging time (a), SEM-ECC images of UFL Al-4%Cu annealed for 0 h (b), 12 h (c) and 72 h (d)