304不锈钢表面ZnO/TiO2复合薄膜的制备与光生阴极防腐蚀性能研究

许洪梅, 柳伟, 曹立新, 苏革, 高荣杰

Preparation of ZnO/TiO2 Composite Film on 304 Stainless Steel and Its Photo-cathodic Protection Properties

XU Hongmei, LIU Wei, CAO Lixin, SU Ge, GAO Rongjie

表1 Nyuist图等效电路图的拟合参数

Table 1 Fitting impedance parameters of Nyquist plots using the equivalent circuit

Electrode Rs / Ω Qf Rf / Ω Qdl Rt / Ω Yo n Yo n Bare 304 SSa 5.72 1.19×10-4 0.822 2.42×103 3.64×10-5 0.989 6.37×104 2Ta 8.06 1.13×10-4 0.534 9.31×104 5.97×10-5 0.843 5.65×105 Ti/Zna 6.29 1.17×10-4 0.865 3.94×103 4.16×10-5 0.827 3.09×105 2Tb 7.04 2.07×10-5 0.797 9.16 2.20×10-5 0.790 1.20×104 Ti/Znb 5.04 1.96×10-5 0.693 9.66×101 8.13×10-5 0.980 6.37×103