Ce对镁合金表面ZnAlCe-LDHs薄膜耐腐蚀性能的影响机理研究
王晓鸽, 高克玮, 颜鲁春, 杨会生, 庞晓露

Effect of Ce on Corrosion Resistance of Films of ZnAlCe-layered Double Hydroxides on Mg-alloy
WANG Xiaoge, GAO Kewei, YAN Luchun, YANG Huisheng, PANG Xiaolu
表2 拟合等效电路图得到的电化学参数
Table 2 Electrochemical parameters obtained by fitting equivalent circuit diagrams
SampleRs / Ω·cm2Rct / Ω·cm2CPEdl / F·cm-2Rf / Ω·cm2CPEf / F·cm-2RL / Ω·cm2L / H·cm2
AZ91D17.21148.72.134×10-5------130.635.3
ZnAl-LDHs20.23706.37.648×10-6481.11.763×10-6------
ZnAlCe-LDHs19.6715755.178×10-710143.482×10-7------