共晶高熵合金AlCoCrFeNi2.1 在H2SO4 溶液中的腐蚀行为

胡文滨, 张晓雯, 宋龙飞, 廖伯凯, 万闪, 康磊, 郭兴蓬

Corrosion Behavior of AlCoCrFeNi2.1 Eutectic High-Entropy Alloy in Sulfuric Acid Solution

HU Wenbin, ZHANG Xiaowen, SONG Longfei, LIAO Bokai, WAN Shan, KANG Lei, GUO Xingpeng

表2 AlCoCrFeNi2.1 EHEA的EIS拟合参数

Table 2 Fitted electrochemical parameters for EIS of AlCoCrFeNi2.1 EHEA

Solution Rs / (Ω·cm2) Qdl / (Ω-1·cm-2·s n ) n Rct / (Ω·cm2) L / (H·cm2) RL / (Ω·cm2) 0.05 mol·L-1 H2SO4 13.00 9.8442 × 10-5 0.8739 308.5 120.8 67.22 0.05 mol·L-1 H2SO4 + 0.02 mol·L-1 NaCl 17.62 1.6432 × 10-4 0.8858 271.3 18.0 37.70