工艺参数对2195铝锂合金阳极氧化膜的耐蚀性影响

肖金涛,陈妍,邢明秀,鞠鹏飞,孟引根,王芳

Effect of Process Parameters on Corrosion Resistance of Anodizing Film on 2195 Al-Li Alloy

Jintao XIAO,Yan CHEN,Mingxiu XING,Pengfei JU,Yingen MENG,Fang WANG

表1 2195铝锂合金在不同氧化时间后阳极氧化膜表面成分 (mass fraction / %)

Table 1 Compositions of anodized film formed on 2195 Al-Li alloy after anodization for different time (mass fraction / %)

Time / min C O Al S Cr Na 20 13.72 45.64 34.82 4.62 1.20 --- 30 12.36 45.81 36.80 3.97 1.06 --- 40 7.28 46.16 39.57 3.93 0.92 0.30 50 9.29 46.51 37.88 4.96 1.06 0.29