CoCrFeMnNi高熵合金和管线钢在碱性土壤环境中的耐蚀性对比研究

赵宝珠, 朱敏, 袁永锋, 郭绍义, 尹思敏

Comparison of Corrosion Resistance of CoCrFeMnNi High Entropy Alloys with Pipeline Steels in an Artificial Alkaline Soil Solution

ZHAO Baozhu, ZHU Min, YUAN Yongfeng, GUO Shaoyi, YIN Simin

表1 电化学阻抗谱拟合结果

Table 1 Fitted electrochemical parameters for EIS diagrams of HEA and pipeline steels

Sample Rs / Ω·cm2 Rf / 104 Ω·cm2 Qf / 10-5 Ω-1·cm-2·s-n Qdl / 10-5 Ω-1·cm-2·s-n Rct / 105 Ω·cm2 As-cast HEA 4.941 2.91 3.761 5.437 0.472 Heat-treated HEA 4.216 6.26 2.43 3.22 2.93 X80 steel 4.335 0.72 6.33 31.02 0.295 X100 steel 4.159 0.66 6.846 36.63 0.196