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1 Nb涂层与TC4基体在37 ℃的Ringer's溶液中的极化参数

Table 1 Electrochemical parameters collected from the polarization curves of the Nb coating and Ti-6Al-4V substrate in Ringer's solution at 37 ℃

Sample	E_corr / V	I_corr / A·cm^-2	β_a / V·dec^-1	-β_c / V·dec^-1	R_p / 10⁶ Ω·cm²	I_p / A·cm^-2
Ti-6Al-4V	-0.636	3.372×10^-8	228.154	193.349	1.033	1.832×10^-7
Nb coating	-0.043	7.865×10^-9	277.778	130.310	4.394	4.030×10^-8