FeNiCoCrW0.2Al0.1 高熵合金在硫酸盐还原菌溶液环境下的腐蚀研究

FeNiCoCrW_0.2Al_0.1 高熵合金在硫酸盐还原菌溶液环境下的腐蚀研究

许竞翔, 黄睿阳, 褚振华, 蒋全通

Corrosion Behavior of High Entropy Alloy FeNiCoCrW_0.2Al_0.1 in Sulfate-reducing Bacteria Containing Solution

XU Jingxiang, HUANG Ruiyang, CHU Zhenhua, JIANG Quantong

表2 EIS拟合得到的电路元件参数以及估算的钝化膜厚度

Table 2 Fitting parameters of EIS and estimated thicknesses of passivation films for FeNiCoCrW_0.2Al_0.1 HEA after immersion in SRB solution for 9 and 24 d

Time / d	R_s / Ω·cm²	R_pas1 / Ω·cm²	R_pas2 / Ω·cm²	CPE_pas1 / S·s ⁿ ·cm^-2	n_pas1	CPE_pas2 / S·s ⁿ ·cm^-2	n_pas2	d_pas1 / nm	d_pas2 / nm
9	61.37	6783	1503	8.70 × 10^-5	0.82	2.11 × 10^-4	0.52	3.05	1.26
24	54.79	1334	7925	9.06 × 10^-5	0.61	1.94 × 10^-4	0.77	2.93	1.37