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5 Q690qENH钢焊接接头不同区域腐蚀384 h后的表面形貌

Fig.5 SEM surface morphologies of the welded joint of Q690qENH steel after corrosion for 384 h: (a, b) BM, (c, d) WM, (e, f) HAZ