缝隙腐蚀内部微区离子浓度监测的研究进展

白一涵, 张航, 朱泽洁, 王疆瑛, 曹发和

Research Progress of Monitoring Ion Concentration Variation of Micro-areas in Corrosion Crevice Interior

BAI Yihan, ZHANG Hang, ZHU Zejie, WANG Jiangying, CAO Fahe

图11 201不锈钢在1 mol/L NaCl溶液 (pH=4.00) 中，不同缝隙宽度下缝隙内底部pH随时间演化图

Fig.11 Evolution of the pH value of 201 stainless steel in 1 mol/L NaCl solution (pH=4.00) at the bottom of the crevice with different crevice widths with time