Er对海工5052铝合金腐蚀行为的影响

张欣, 林木烟, 杨光恒, 王泽华, 邵佳, 周泽华

Effect of Er on Corrosion Behavior of Marine Engineering 5052 Al-alloy

ZHANG Xin, LIN Muyan, YANG Guangheng, WANG Zehua, SHAO Jia, ZHOU Zehua

表1 5052铝合金的设计化学成分

Table 1 Chemical compositions of 5052 Al-alloy (mass fraction / %)

No. Er Mg Cr Zn Mn Fe Al A1 0 2.2~2.8 0.15~0.35 ≤0.1 ≤0.1 ＜0.4 Bal. A2 0.05~0.20 2.2~2.8 0.15~0.35 ≤0.1 ≤0.1 ＜0.4 Bal. A3 0.25~0.40 2.2~2.8 0.15~0.35 ≤0.1 ≤0.1 ＜0.4 Bal. A4 0.45~0.60 2.2~2.8 0.15~0.35 ≤0.1 ≤0.1 ＜0.4 Bal. A5 0.65~0.80 2.2~2.8 0.15~0.35 ≤0.1 ≤0.1 ＜0.4 Bal. A6 0.85~1.00 2.2~2.8 0.15~0.35 ≤0.1 ≤0.1 ＜0.4 Bal.