低温扩散预处理对含B超级奥氏体不锈钢S31254析出相及耐蚀性的影响

何燕, 刘燕, 田华, 陈晔

Effect of Low Temperature Diffusion Pretreatment on Precipitation of Phases During Post-aging Treatment for B-containing S31254 Super Austenitic Stainless Steel and its Corrosion Resistance

HE Yan, LIU Yan, TIAN Hua, CHEN Ye

表1 图6中S31254钢动电位再活化曲线Ir与Ra拟合值

Table 1 Fitting Ir and Ra values of potentiodynamic reactivation curves of S31254 steel in Fig.6

Sample Ir / A·cm-2 Ra (Ir/Ia) / % 300-60 min 0.001532 0.0880 300-40 min 0.001876 0.1180 300-20 min 0.006180 0.3394 300-0 min 0.003789 0.2198