碳钢和高强钢在南海大气环境中的初期腐蚀行为研究

王靖羽, 周学杰, 王洪伦, 吴军, 陈昊, 郑鹏华

Initial Corrosion Behavior of Carbon Steel and High Strength Steel in South China Sea Atmosphere

WANG Jingyu, ZHOU Xuejie, WANG Honglun, WU Jun, CHEN Hao, ZHENG Penghua

图3 4种钢材0.5和1a后除锈前和除锈后的微观腐蚀形貌

Fig.3 Corrosion morphologies of Q235B (a1-a4), Q350EWR1 (b1-b4), Q355 (c1-c4) and Q345NQR2 (d1-d4) steels exposed to atmospheric environment of the South China Sea for 0.5 a (a1-d1, a2-d2) and 1 a (a3-d3, a4-d4) before (a1-d1, a3-d3)and after (a2-d2, a4-d4) removing rust