690 MPa级耐候桥梁钢焊接接头在模拟工业大气环境下的耐蚀性研究

程鹏, 刘静, 牟文广, 黄峰, 黄先球, 庞涛

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

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

图4 Q690qENH钢焊接接头与母材酸洗前后腐蚀形貌

Fig.4 Corrosion morphologies of Q690qENH steel (a, c) and its weld joint (b, d) before (a, b) and after (c, d) pickling