2xxx系铝合金第二相对搅拌摩擦焊接头腐蚀行为的影响
钟嘉欣, 关蕾, 李雨, 黄家勇, 石磊

Effect of Second Phase on Corrosion Behavior of Friction-stir-welded Joints of 2xxx Series Al-alloy
ZHONG Jiaxin, GUAN Lei, LI Yu, HUANG Jiayong, SHI Lei
表1 两类第二相的EDS分析结果[15] (atomic fraction / %)
Table 1 EDS analysis of two second phases[15]
ElementIntermetallic 1Intermetallic 2
Al59.9576.32
Cu19.4912.99
Mg20.40-
Fe-5.63
Mn-4.36
Si-0.19