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2 AZ91D镁合金不同条件下腐蚀产物EDS分析结果 (atomic fraction / %)

Table 2 EDS analysis results of the corrosion products formed on AZ91D Mg-alloy under different conditions

Element C O Mg Cl Na Al Au Ⅰ 14.49 13.72 11.08 - 0.44 - 60.27 Ⅱ 5.06 13.67 13.34 0.35 - 0.91 66.67 Ⅲ 3.91 34.98 26.56 13.25 - 6.90 14.41 Ⅳ 3.11 22.20 27.39 26.46 - 0.84 20.00 Ⅴ 2.09 38.69 40.85 5.90 - 3.85 8.61 Ⅵ 8.62 47.50 26.98 4.62 - 3.68 8.60 Ⅶ 7.49 40.89 39.46 4.42 - 0.90 6.86 Ⅷ 10.71 42.65 27.13 13.16 - 1.20 5.14