热处理工艺对Al0.5CoCrFeNi高熵合金在不同介质下腐蚀行为及力学性能的影响

段敬民, 董勇, 缪东美, 杨玉婧, 毛凌波, 章争荣

Corrosion Behavior in Different Media and Mechanical Properties of Al0.5CoCrFeNi High-entropy Alloy After Heat Treatment

DUAN Jingmin, DONG Yong, MIAO Dongmei, YANG Yujing, MAO Lingbo, ZHANG Zhengrong

表5 铸态和轧制后不同温度热处理态合金在3.5%NaCl溶液中动电位极化曲线拟合参数

Table 5 Fitting parameters of potentiodynamic polarization curves of as-cast alloy and as-rolled alloys with heat treatment at different temperatures in 3.5%NaCl solution

Alloys Ecorr / V Icorr / μA·cm-2 Epit / V Ipass / μA·cm-2 As-cast -0.33 0.87 0.26 2.05 800 ℃ -0.40 1.69 0.32 3.52 1000 ℃ -0.40 1.87 0.27 0.27 1200 ℃ -0.40 1.24 0.41 0.41