腐蚀产物对锌合金镀层切边腐蚀行为的影响

李永坤, 周佳顺, 王友彬, 高锋, 王欣鹏, 汤宏群

Influence of Corrosion Products on Corrosion Behavior of Cut Edges of Galvanized Coatings/Q235 Carbon Steel

LI Yongkun, ZHOU Jiashun, WANG Youbin, GAO Feng, WANG Xinpeng, TANG Hongqun

图6 在5%NaCl溶液中浸泡不同时间后不同镀层切边的SECM面扫描图

Fig.6 SECM maps of the cut edges of Zn (a), Zn-Mg (b), Zn-Al (c) and Zn-Al-Mg (d) coatings after immersion in 5%NaCl solution for 0.5 h (a1-d1), 2 h (a2-d2) and 6 h (a3-d3)