淬火-配分-回火钢在模拟海水环境中的腐蚀性能研究

翟思昕, 杨幸运, 杨继兰, 顾剑锋

Corrosion Properties of Quenching-Partitioning-Tempering Steel in Simulated Seawater

ZHAI Sixin, YANG Xingyun, YANG Jilan, GU Jianfeng

表2 4种试样在3.5%NaCl溶液中的极化曲线拟合参数

Table 2 Electrochemical fitting parameters of polarization curves of four samples in 3.5%NaCl solution

Specimen Ecorr / V Icorr / μA·cm-2 -βc / mV·dec-1 βa / mV·dec-1 Eb / mV Ed / mV Ip / μA·cm-2 81-Q&T -0.964 0.359 43.21 31.74 -0.58 -0.38 81.43 81-Q&P -0.981 0.349 128.46 42.99 -0.55 -0.36 56.29 82-Q&T -0.946 0.226 57.06 33.58 -0.56 -0.48 129.16 82-QPT -0.971 0.121 105.03 58.39 -0.53 -0.37 55.10