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1 冷轧后超细层片结构Al-4%Cu合金的结构表征

Fig.1 Characterizations of UFL structures for the Al-4%Cu alloy: (a) TEM micrograph, (b) related statistical size distribution; (c, d) elemental mappings of red rectangular region marked in Fig.1a, (e) EDS line-scan of Al and Cu along the white line in Fig.1d, there is obvious Cu segre-gation at the lamellar boundary