共晶高熵合金AlCoCrFeNi2.1 在H2SO4 溶液中的腐蚀行为

共晶高熵合金AlCoCrFeNi_2.1 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 AlCoCrFeNi_2.1 Eutectic High-Entropy Alloy in Sulfuric Acid Solution

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

图3 AlCoCrFeNi_2.1 EHEA在0.05 mol/L H₂SO₄溶液和0.05 mol/L H₂SO₄ + 0.02 mol/L NaCl溶液中的EIS

Fig.3 Nyquist plots (a) and Bode plots (b) of AlCoCrFeNi_2.1 EHEA in 0.05 mol/L H₂SO₄ solut-ion and 0.05 mol/L H₂SO₄ + 0.02 mol/L NaCl solution (Inset in Fig.3a shows the electrical equivalent circuit of EIS. R_s—solution resistance, Q_dl—electrochemical response parameter of double electric layers, R_ct—^{the charge transfer resistance, L—inductance of adsorption species, R_L—inductance resistance)}