Ce添加对Zn-0.6Cu-0.3Ti合金组织与耐蚀性能的影响

倪雅, 施方长, 戚继球

Effect of Ce on Microstructure and Corrosion Resistance of Zn-0.6Cu-0.3Ti Alloy

NI Ya, SHI Fangchang, QI Jiqiu

表2 Zn-0.6Cu-0.3Ti-Ce合金腐蚀不同时间后的阻抗曲线的拟合值

Table 2 Fitting electrochemical parameters of EIS of Zn-0.6Cu-0.3Ti-Ce alloys immersed for different time

Corrosion time / d Specimen R1 / Ω·cm2 CPE1×10-4 R2 / Ω·cm2 R3 / Ω·cm2 L / H n 0 Zn-0.6Cu-0.3Ti-0.3Ce 4.052 0.2602 87.39 4.29 1.21 0.5391 Zn-0.6Cu-0.3Ti-0.45Ce 3.701 0.4673 79.84 1.89 3.61 0.5998 Zn-0.6Cu-0.3Ti-0.6Ce 3.929 0.2752 85.76 2.19 2.03 0.5615 5 Zn-0.6Cu-0.3Ti-0.3Ce 3.645 0.3284 267.6 3.36 6.51 0.4577 Zn-0.6Cu-0.3Ti-0.45Ce 2.223 0.5361 131.9 1.96 4.56 0.7523 Zn-0.6Cu-0.3Ti-0.6Ce 2.293 0.4085 181.4 2.25 7.17 0.6587 10 Zn-0.6Cu-0.3Ti-0.3Ce 3.858 0.3675 302.7 4.73 3.71 0.5287 Zn-0.6Cu-0.3Ti-0.45Ce 2.689 0.7536 153.6 1.89 8.32 0.5546 Zn-0.6Cu-0.3Ti-0.6Ce 3.026 0.4664 231.8 2.56 3.64 0.7973 20 Zn-0.6Cu-0.3Ti-0.3Ce 3.321 0.4185 429.4 4.20 4.32 0.5575 Zn-0.6Cu-0.3Ti-0.45Ce 2.063 1.5 387.9 2.03 6.45 0.6747 Zn-0.6Cu-0.3Ti-0.6Ce 2.139 0.5789 326.9 2.36 4.63 0.6628