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

图6 4种S31254不锈钢固溶后及在沸腾的硫酸-硫酸铁溶液中浸泡24 h后的形貌

Fig.6 Morphologies of four S31254 stainless steels after solid solution (a1-d1) and soaking in boiling sulfuric acid-ferric sulfate solution for 24 h (a2-d2)：(a1, a2) 0B, (b1, b2) 50B, (c1, c2) 50B-20Ce, (d1, d2) 50B-50Ce