桥梁钢Q345q在3种模拟大气环境中的腐蚀行为研究
郭铁明1(),张延文1,秦俊山2,宋志涛1,董建军2,杨新龙2,南雪丽1
Corrosion Behavior of Q345q Bridge Steel in Three Simulated Atmospheres
GUO Tieming1(),ZHANG Yanwen1,QIN Junshan2,SONG Zhitao1,DONG Jianjun2

图3. Q345q钢在3种介质中腐蚀不同时间的锈层宏观形貌

Fig.3. Macrographs of the rust scale formed on Q345q steel corroded for 24 h (a, f, k), 72 h (b, g, l), 144 h (c, h, m), 288 h (d, i, n) and 480 h (e, j, o) in deicing salt (a~e), NaHSO3 (f~j) and mixed solution (k~o)