Mg-Gd-Y-Zr合金在模拟沿海贮存环境下的腐蚀行为与机理研究

张超, 陈俊航, 邹士文, 张欢, 李曌亮, 肖葵

Corrosion Behavior of Mg-Gd-Y-Zr Alloy in Simulated Coastal Storage Environment

ZHANG Chao, CHEN Junhang, ZOU Shiwen, ZHANG Huan, LI Zhaoliang, XIAO Kui

表2 电化学阻抗谱图的拟合参数

Table 2 Fitting parameters of electrochemical impedance spectroscopy

Test time / h Rs / Ω·cm2 Q Rf / Ω·cm2 Y0 / 10-6 Ω-1·cm-2·s n n 282 15.9 35.4 0.7182 1551 568 25.8 23.8 0.7195 3012 852 41.9 30.4 0.6351 4633 1136 74.7 23.7 0.6171 11280