镁铝合金在模拟低温条件下大气腐蚀行为研究

吴洋, 安易强, 王力伟, 崔中雨

Atmospheric Corrosion Behavior of Mg-alloys AZ31B and AZ91D in Simulated Low Temperature Environments

WU Yang, AN Yiqiang, WANG Liwei, CUI Zhongyu

表1 AZ31B镁合金不同条件下腐蚀产物EDS分析结果 (atomic fraction / %)

Table 1 EDS analysis results of the corrosion products formed on AZ31B Mg-alloy under different conditions

Element C O Mg Cl Na Al Au Ⅰ 3.04 39.85 41.22 - - - 15.90 Ⅱ 16.68 28.78 17.73 6.13 - - 30.68 Ⅲ 7.71 25.74 23.10 - - - 43.44 Ⅳ 78.97 11.98 2.17 - - - 6.89 Ⅴ 3.03 37.96 30.34 17.05 0.21 2.54 8.87 Ⅵ 6.49 42.52 32.27 7.40 - - 11.31 Ⅶ 7.07 43.80 30.49 7.52 - 0.40 10.71