Al-Zn-In系牺牲阳极在模拟海洋环境下的电化学性能研究

张炬焕, 刘静, 彭晶晶, 张弦, 吴开明

Electrochemical Performance of a Novel Al-Zn-In-Sn-La Sacrificial Anode Alloy in Simulated Marine Environments

ZHANG Juhuan, LIU Jing, PENG Jingjing, ZHANG Xian, WU Kaiming

表1 两种牺牲阳极动电位极化曲线Tafel外推拟合的腐蚀电流密度与腐蚀电位

Table 1 Corrosion current density and corrosion potential of the two alloys obtained from potentiodynamic polarization curves by Tafel extrapolation

Alloy Shallow-sea Deep-sea Icorr / A·cm-2 Ecorr / V vs. SCE Icorr / A·cm-2 Ecorr / V vs. SCE Al-Zn-In 2.81 × 10-5 -1.0365 2.06 × 10-5 -0.9305 Al-Zn-In-Sn-La 1.24 × 10-6 -1.1935 2.91 × 10-5 -1.0255