等通道角挤压制备超细晶纯Ti的腐蚀性能研究
李鑫,董月成,淡振华,常辉,方志刚,郭艳华

Corrosion Behavior of Ultrafine Grained Pure Ti Processed by Equal Channel Angular Pressing
Xin LI,Yuecheng DONG,Zhenhua DAN,Hui CHANG,Zhigang FANG,Yanhua GUO
表2 EIS拟合的CG-Ti和ECAP 2、3、4道次后UFG-Ti电化学参数
Table 2 Electrochemical parameters of EIS fitting for CG-Ti, ECAP 2P, ECAP 3P and ECAP 4P

Sample

Rs

Ω·cm2

CPE

10-5 S·sn·cm2

n

Rp

105 Ω·cm2

Chi-squared

CG-Ti4.6413.9480.8712.5590.004322
ECAP 2P4.3081.9640.9074.2490.001037
ECAP 3P4.6851.8870.91116.6200.001892
ECAP 4P4.3251.7680.8565.6360.001116