硝酸钝化对304不锈钢在模拟混凝土孔隙液中点蚀的临界Cl-浓度的影响

安易强, 王昕, 崔中雨

Effect of Nitric Acid Passivation on Critical Cl- Concentration for Corrosion of 304 Stainless Steel in Simulated Concrete Pore Solution

AN Yiqiang, WANG Xin, CUI Zhongyu

图3 不同钝化处理的304不锈钢在恒电位550 mV极化后的EIS结果

Fig.3 EIS results of 304 stainless steel after passivation in nitric acid for 0 h (a), 0.5 h (b), 2 h (c), 24 h (d) and then polarization at a constant potential of 550 mV