热挤压Zn-2Cu-0.5Zr合金的力学性能与降解行为

沈岗, 张文泰, 周超, 纪焕中, 罗恩, 张海军, 万国江

Mechanical Properties and Degradation Behavior of Hot-Extruded Zn-2Cu-0.5Zr Alloy

SHEN Gang, ZHANG Wentai, ZHOU Chao, JI Huanzhong, LUO En, ZHANG Haijun, WAN Guojiang

表1 动电位极化(PDP)曲线和电化学阻抗谱(EIS)的拟合结果

Table 1 Fitting results of PDP curve and electrochemical impedance spectrum (EIS) data

Sample Ecorr (vs SCE) icorr Rs Qp Rp Qct Rct V μA·cm-2 Ω·cm2 10-6 S n ·Ω-1·cm-2 Ω·cm2 10-6 S n ·Ω-1·cm-2 kΩ·cm2 Zn -1.03 57.22 10.27 3.59 37.77 0.74 0.56 Zn-2Cu -0.96 13.11 10.81 19.12 225.48 14.15 0.68 Zn-2Cu-0.5Zr -0.98 10.24 10.65 8.18 433.34 65.43 1.54