脱硝剂浓度对S2205不锈钢耐蚀性及其临界点蚀温度的影响

崔浩燃, 梁平, 史艳华, 杨众魁, 韩利

Effect of Denitration Agent Concentration on Corrosion Resistance and Critical Pitting Temperature of S2205 Stainless Steel

CUI Haoran, LIANG Ping, SHI Yanhua, YANG Zhongkui, HAN Li

表1 S2205不锈钢在不同NaClO2浓度条件下的动电位极化曲线拟合结果

Table 1 Fitting results of potential polarization curves of S2205 stainless steel under different NaClO2 concentrations

Concentration Icorr / A·cm-2 Ecorr / V Corrosion rate / mm·a-1 3% 1.07×10-7 -0.257 0.0012507 6% 3.07×10-7 -0.170 0.0035999 9% 1.25×10-7 -0.274 0.0014606