含3%Cu低碳马氏体不锈钢0Cr13Ni4Mo的显微组织及耐腐蚀性能

杨彬彬, 宋元元, 郝龙, 姜海昌, 戎利建

Microstructure and Corrosion Resistance of Low-Carbon Martensitic Stainless Steel 0Cr13Ni4Mo with 3%Cu Addition

YANG Binbin, SONG Yuanyuan, HAO Long, JIANG Haichang, RONG Lijian

图6 不同热处理工艺下0Cu钢和3Cu钢在3.5%NaCl溶液中的等效电路图

Fig.6 Equivalent circuit diagram of 0Cu and 3Cu stainless steels in 3.5%NaCl solution (Rs—solution resistance, Rf—surface passivation film resistance, Qf—surface passivation film capacitance, Rct—double layer charge transfer resistance, Cdl—double layer capacitance)