成膜电位对316L不锈钢在硼酸溶液中电化学行为的影响

陈宇, 陈旭, 刘彤, 王冠夫, 王彦亮

Effect of Potential on Electrochemical Corrosion Behavior of 316L Stainless Steel in Borate Buffer Solution

CHEN Yu, CHEN Xu, LIU Tong, WANG Guanfu, WANG Yanliang

表1 EIS等效电路拟合结果

Table 1 Fitting results of Nyquist plots

Potential / V Rs / Ωcm2 Q1 / Fcm2 n Rp / Ωcm2p L / H Q2 / Fcm2 n Rt / Ωcm2 -0.1 9.323×104 7.895×10-10 --- 3294 5.921×10-3 7.413×10-5 0.813 4.192×104 0.1 6190 4.609×10-8 --- 2005 5.111×10-3 8.582×10-5 0.801 5.371×104 0.3 8510 7.794×10-10 0.7 3664 1.129×10-2 8.983×10-5 0.748 8.669×104 0.5 1019 1.071×10-9 --- 2655 5.309×10-3 10.220×10-5 0.795 2.992×104