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

图5 S31254钢经300 ℃保温处理不同时间后再经900 ℃时效处理2 h，在10%NaCl水溶液中的动电位极化曲线

Fig.5 Potentiodynamic polarization curves of S31254 steel after firstly isothermal treatment at 300 oC for different time and then aging at 900 oC for 2 h in 10%NaCl solution