2024铝合金在模拟动态海水/大气界面环境中的局部腐蚀机制

夏大海, 计元元, 毛英畅, 邓成满, 祝钰, 胡文彬

Localized Corrosion Mechanism of 2024 Aluminum Alloy in a Simulated Dynamic Seawater/Air Interface

XIA Dahai, JI Yuanyuan, MAO Yingchang, DENG Chengman, ZHU Yu, HU Wenbin

表1 图11中标记的9个点的EDS分析结果 (atomic fraction / %)

Table 1 EDS results of the 9 points marked in Fig.11

Point O Mg Al Cl Si S Fe 1 75.632 1.030 23.164 0.174 - - - 2 55.489 1.762 42.508 0.240 - - - 3 82.861 0.537 15.282 0.729 0.408 0.184 - 4 34.098 2.308 61.543 0.255 1.467 0.328 - 5 63.092 2.118 31.830 1.643 0.901 0.417 - 6 58.259 2.630 37.947 0.218 0.741 0.205 - 7 82.099 1.455 15.158 0.274 0.804 0.209 - 8 46.203 2.677 49.497 0.204 1.209 0.210 - 9 69.078 1.803 24.734 0.188 3.264 0.284 0.648