硅酸盐封闭对TiO2转化膜耐蚀性的影响

赖德林,孔纲,车淳山

Effect of Sodium Silicate Sealing on Corrosion Resistance of TiO2Conversion Film on Hot-dip Galvanized

Delin LAI,Gang KONG,Chunshan CHE

表1 由图7拟合得到的结果

Table 1 Fitting values of various electrochemical parameters based on PDP curves in Fig.7

Sample Icorr/ μA·cm-2 Ecorr/ V (vsSCE) Rp/ Ω·cm2 HDG 14.20 -1.030 695 T10 1.045 -1.143 8679 T60 0.551 -1.037 12843 T300 4.201 -1.102 2309 T1800 15.37 -1.109 581