桥梁钢Q345q在3种模拟大气环境中的腐蚀行为研究

郭铁明,张延文,秦俊山,宋志涛,董建军,杨新龙,南雪丽

Corrosion Behavior of Q345q Bridge Steel in Three Simulated Atmospheres

Tieming GUO,Yanwen ZHANG,Junshan QIN,Zhitao SONG,Jianjun DONG

表3 Q345q钢在3种介质中腐蚀不同时间后锈层的平均厚度

Table 3 Average thicknesses of the rust scale of Q345q steel corroded for different time in three media

Medium Time / h Rust layer thickness / μm Deicing salt 72 10.2273 144 21.1364 288 44.6818 NaHSO3 72 29.0909 144 37.9545 288 57.2273 Deicing salt+ NaHSO3 72 12.0000 144 25.7273 288 42.9091