FeCrMn1.3NiAlx高熵合金显微组织演变及电化学钝化行为

张恒康, 黄峰, 徐云峰, 袁玮, 邱耀, 刘静

Microstructure Evolution and Electrochemical Passivation Behavior of FeCrMn1.3NiAlx High Entropy Alloys

ZHANG Hengkang, HUANG Feng, XU Yunfeng, YUAN Wei, QIU Yao, LIU Jing

表2 FeCrMn1.3NiAlx高熵合金极化曲线中钝化参数

Table 2 Passivation capability parameters in polarization curves of alloys

Alloy Passivation current density / A·cm-2 Passivation potential V Maintaining passivity current density / A·cm-2 EcorrV IcorrA·cm-2 Al0 1# 0.008 -0.230 1.6×10-4 -0.395 1.06×10-3 2# 0.005 -0.170 Al0.25 1# 0.027 -0.241 2.1×10-5 -0.416 4.02×10-3 2# 0.019 -0.165 Al0.5 1# 0.009 -0.409 5.9×10-5 -0.461 4.15×10-3 2# 0.089 -0.115 Al0.75 1# 0.100 -0.094 3.2×10-5 -0.468 4.16×10-3