FeNiCoCrW0.2Al0.1 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 FeNiCoCrW0.2Al0.1 in Sulfate-reducing Bacteria Containing Solution

XU Jingxiang, HUANG Ruiyang, CHU Zhenhua, JIANG Quantong

表1 电化学测试的腐蚀参数和估算腐蚀速率

Table 1 Fitting electrochemical parameters of polarization curves and estimated corrosion rates

Medium Ecorr / mV Icorr / A·cm-2 Epit / mV Ipit / A·cm-2 Kcorr / mm·a-1 HEA in aseptic medium -232 6.30 × 10-7 1156 2.77 × 10-5 7.68 × 10-3 HEA in SRB solution -326 8.26 × 10-6 1064 4.87 × 10-5 1.01 × 10-1 304 stainless steel in SRB solution -361 1.29 × 10-5 - - 1.33 × 10-1