022Cr25Ni7Mo4N双相不锈钢选择性腐蚀行为与两相组织的关系研究
丰涵(),宋志刚,吴晓涵,李惠,郑文杰,朱玉亮
Relationship Between Selective Corrosion Behavior and Duplex Structure of 022Cr25Ni7Mo4N Duplex Stainless Steel
Han FENG(),Zhigang SONG,Xiaohan WU,Hui LI,Wenjie ZHENG,Yuliang ZHU

图2. 022Cr25Ni7Mo4N双相不锈钢试样的原始两相组织以及试样在2 mol/L H2SO4+0.5 mol/L HCl混合溶液中的不同电位恒电位极化后的表面形貌

Fig.2. Original duplex structure of 022Cr25Ni7Mo4N steel (a) and surface morphologies of the sample after potentiostatic polarizations in 2 mol/L H2SO4+0.5 mol/L HCl solution at Eh potential (b) and El potential (c)