<strong>B、Ce</strong>微合金化对<strong>S31254</strong>超级奥氏体不锈钢析出相及耐蚀性能的影响

B、Ce微合金化对S31254超级奥氏体不锈钢析出相及耐蚀性能的影响

马晋遥, 董楠, 郭振森, 韩培德

Effect of B and Ce Micro-alloying on Secondary Phase Precipitation and Corrosion Resistance of S31254 Super Austenitic Stainless Steel

MA Jinyao, DONG Nan, GUO Zhensen, HAN Peide

表3 4种S31254不锈钢经950℃时效30 min后的动电位极化曲线拟合参数

Table 3 Fitting electrochemical parameters of polarization curves of four S31254 stainless steels after aging at 950^oC for 30 min

Sample	E_corr / V	I_corr / A·cm^-2	E_pit / V
0B	-0.3076	7.4063 × 10^-7	0.9791
50B	-0.2806	5.6066 × 10^-7	1.0264
50B-20Ce	-0.2376	4.3216 × 10^-7	1.0284
50B-50Ce	-0.1506	1.0656 × 10^-7	1.0319