铝硅复合对Fe32Mn7Cr3Al2Si钢氧化改性层耐蚀性的影响

梁泰贺, 朱雪梅, 张振卫, 王新建, 张彦生

Corrosion Performance of Transition Layer at Interface of Oxide Scale/substrate Formed on Austenitic Steel Fe32Mn7Cr3Al2Si During High Temperature Oxidation

LIANG Taihe, ZHU Xuemei, ZHANG Zhenwei, WANG Xinjian, ZHANG Yansheng

表1 氧化改性前后Fe32Mn7Cr3Al2Si钢电化学阻抗谱的拟合参数

Table 1 Fitting parameters of EIS of Fe32Mn7Cr3Al2Si steel before and after oxidation modification

Process Rt / kΩ·cm2 Y0 / S·s-n·cm-2 n Rs / Ω·cm2 Mn depletion layer 69.7 3.077×10-5 0.90 2.0 Fe32Mn3Al7Cr2Si 15.5 5.556×10-5 0.89 1.5