690 MPa级耐候桥梁钢在模拟工业大气环境下的腐蚀行为研究

程鹏, 刘静, 黄峰, 黄先球, 庞涛

Corrosion Behavior of 690 MPa Weathering Bridge Steel in Simulated Industrial Atmosphere

CHENG Peng, LIU Jing, HUANG Feng, HUANG Xianqiu, PANG Tao

图3 周浸腐蚀不同时间后的实验钢表面宏观形貌

Fig.3 Surface morphologies of Q235 (a) and Q690qENH (b) steels after cyclic immersion test for 24 h (a1, b1), 48 h (a2, b2), 96 h (a3, b3), 192 h (a4, b4), 384 h (a5, b5) and 768 h (a6, b6)