TC4表面沉积Nb涂层在模拟体液环境下的电化学性能研究

史昆玉, 吴伟进, 张毅, 万毅, 于传浩

Electrochemical Properties of Nb Coating on TC4 Substrate in Simulated Body Solution

SHI Kunyu, WU Weijin, ZHANG Yi, WAN Yi, YU Chuanhao

表2 Nb涂层与TC4基体在Ringer's溶液中的阻抗谱拟合数据

Table 2 Fitting parameters of EIS of the Nb coating and Ti-6Al-4V substrate in Ringer's solution at 37 ℃

Sample Rs / Ω·cm2 Q1 / Ω-1·cm-2·sn n1 R1 / Ω·cm2 Q2 / Ω-1·cm-2·sn n2 R2 / Ω·cm2 C2 τ χ2 Ti-6Al-4V 46.32 1.27×10-5 0.726 194.56 5.39×10-6 0.849 4.29×105 1.23×10-6 0.53 1.11×10-3 Nb coating 48.95 6.38×10-6 0.796 362.72 3.51×10-7 0.974 4.57×107 2.60×10-7 1.19 3.95×10-4