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6 Q235钢和Q690qENH钢腐蚀384 h形成的锈层的截面形貌及元素分布图

Fig.6 EDS elemental mappings of the cross sections of the rust layers formed on Q235 steel (a) and Q690qENH (b) steels after immersion for 384 h