Q690贝氏体桥梁钢焊接接头在模拟乡村大气中耐蚀性能研究

王昕煜, 黄峰, 刘海霞, 袁玮, 刘静

Corrosion Resistance of Welded Joints of Q690 Bainite Bridge Steel in Simulated Rural Atmosphere

WANG Xinyu, HUANG Feng, LIU Haixia, YUAN Wei, LIU Jing

图7 Q690焊接接头不同区域开路电位随时间变化

Fig.7 Open circuit potential of different areas of the Q690 welded joint changes with time