高铁转向架用钢G390NH在模拟海洋和工业大气环境下的腐蚀行为及产物演化规律

宋嘉良, 江紫雪, 易盼, 陈俊航, 李曌亮, 骆鸿, 董超芳, 肖葵

Corrosion Behavior and Product Evolution of Steel for High-Speed Railway Bogie G390NH in Simulated Marine and Industrial Atmospheric Environment

SONG Jialiang, JIANG Zixue, YI Pan, CHEN Junhang, LI Zhaoliang, LUO Hong, DONG Chaofang, XIAO Kui

表2 G390NH在3.5%NaCl和0.01 mol/L NaHSO3溶液中的极化曲线拟合结果

Table 2 Polarization curve fitting results of G390NH in 3.5%NaCl and 0.01 mol/L NaHSO3 solutions

Salt solution Test period / h Ecorr / V Icorr / μA 3.5%NaCl 24 -0.800 214.934 120 -0.748 272.736 240 -0.652 287.560 360 -0.526 167.710 0.01 mol/L NaHSO3 24 -0.465 43.269 120 -0.574 69.919 240 -0.346 30.411 360 -0.310 28.516