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3 不同氧化时间处理样品的电化学元件Rp1，Rp2和Rb的拟合结果

Table 3 Fitting results of electrochemical elements Rp1, Rp2 and Rb of 2195 Al-Li alloy anodized for different time

Time / min Rp1 / Ω·cm2 Rp2 / Ω·cm2 Rb / Ω·cm2 20 1.76×103 8.46×104 3.31×105 30 1.05×104 2.66×105 1.57×105 40 1.25×104 2.48×106 2.29×105 50 9.51×104 3.71×106 4.57×105