挤压态EW75稀土镁合金在沈阳工业大气环境中的腐蚀行为研究

孙硕, 代珈铭, 宋影伟, 艾彩娇

Corrosion Behavior of Extruded EW75 Mg-alloy in Shenyang Industrial Atmosphere

SUN Shuo, DAI Jiaming, SONG Yingwei, AI Caijiao

表3 图5中各处EDS分析结果

Table 3 EDS analysis results of the corrosion products in Fig.5 (mass fraction / %)

Position Mg C O Al Y Si S Cl Ca Fe Gd A 30.82 15.78 40.94 1.58 0.82 4.23 1.48 0.39 3.96 - - B 34.65 15.76 45.10 0.90 - 1.20 0.28 - 1.37 0.74 - C 56.11 - 41.09 - - 1.47 - 1.33 - - - D 43.41 6.90 28.40 - 6.21 - 1.12 - 1.71 - 12.24