热浸镀Galfan表面镧盐转化膜的生长和耐腐蚀性能的研究

吴晓晓, 孔纲, 孙子文, 车淳山

Preparation and Corrosion Performance of Lanthanum Nitrate Conversion Coating on Hot-dip Galfan Steel

WU Xiaoxiao, KONG Gang, SUN Ziwen, CHE Chunshan

表2 图7极化曲线的相关电化学参数

Table 2 Electrochemical polarization parameters corresponding to Fig.7

Sample Ecorr/V Rp/Ωcm2 Icorr/μAcm-2 Galfan -1.062 1546.3 5.430 10 s -1.068 2687.6 3.101 1 min -1.060 3494.0 2.242 10 min -1.041 56690.0 0.1178 30 min -1.052 22930.2 0.3530 60 min -1.077 9441.9 0.8021