ZAlSi7Mg铝合金在深海环境中的腐蚀行为研究

彭文山, 段体岗, 马力, 辛永磊, 程文华, 刘少通

Corrosion Behavior of ZAlSi7Mg Al-alloy in Deep-sea Environments in Western Pacific Ocean and South China Sea

PENG Wenshan, DUAN Tigang, MA Li, XIN Yonglei, CHENG Wenhua, LIU Shaotong

表1 在不同深度海水环境中腐蚀产物元素组成 (atomic fraction/%)

Table 1 Elemental compositions of corrosion products formed in deep sea at different depths

Depth/m Na Mg Al Si P S Cl K Ca Fe 500 0.99 3.19 16.50 2.23 - 0.17 - - 0.54 - 800 2.94 1.75 17.68 9.32 0.20 - 0.13 0.18 0.50 0.39 1200 6.81 0.45 18.68 2.71 - - - 0.16 0.26 1.75 2000 4.95 0.60 30.10 5.50 - 0.12 0.17 0.13 0.25 0.40