带氧化皮Q345q钢在模拟西北典型大气环境中的腐蚀行为研究

张延文,郭铁明,宋志涛,南雪丽,徐秀杰,董志林

Corrosion Behavior of Q345q Steel with Oxide Scale in Simulated Typical Atmospheric Environmentin Northwest China

Yanwen ZHANG,Tieming GUO,Zhitao SONG,Xueli NAN,Xiujie XU,Zhilin DONG

表3 带氧化皮Q345q钢腐蚀480 h后锈层物相的相对含量及α/γ*值

Table 3 Relative contents of corrosion products and α/γ* values for Q345q steel with oxide scale after corrosion for 480 h

Sample β-FeOOH γ-FeOOH α-FeOOH Fe2O3 Fe3O4 α/γ* Deicing salt 0.22 0.16 0.06 0.25 0.31 0.0869 NaHSO3 - 0.19 0.24 0.31 0.35 0.4444 Deicing salt+NaHSO3 0.26 0.17 0.12 0.20 0.25 0.1765