Pt/IrO x -pH超微电化学传感器性能探究及其在铜/不锈钢电偶腐蚀研究中的应用

张勤号, 朱泽洁, 蔡浩冉, 李鑫冉, 孟宪泽, 李昊, 伍廉奎, 罗荘竹, 曹发和

Performance of Pt/IrO x -pH Ultra-micro Electrochemical Sensor and its Application in Study of Galvanic Corrosion of Copper/Stainless Steel

ZHANG Qinhao, ZHU Zejie, CAI Haoran, LI Xinran, MENG Xianze, LI Hao, WU Liankui, LUO Zhuangzhu, CAO Fahe

图6 Cu和304 不锈钢在3.5% NaCl溶液中 (pH=2.00) 发生电偶腐蚀时，不同浸泡时间下面扫图对比图

Fig.6 Surface scanning of Cu (a-d) and 304 stainless steel (e-h) galvanic corrosion under different immersion times in 3.5% NaCl solution with pH=2.00, in which results of surface scans at 0 h (a, e), 6 h (b, f), 12 h (c, g), and comparison of surface scanning of Pt/IrO x -pH microsensor electrode on sample surface with distance of 5 μm in the three immersion times (d, f)