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1 Q690qENH钢和Q235钢的显微组织
Fig.1 Microstructural images of Q235 steel (a, c) and Q690qENH steel (b, d)