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3 浸泡在3.5%NaCl溶液中的4种试样阻抗谱拟合电路的各项参数值

Table 3 Fitting parameters of impedance spectra of present samples immersed in 3.5%NaCl solution

Specimen Rs / Ω·cm-2 RP / kΩ·cm-2 Q / 10-3 Ω-1·cm-2 n x2 / 10-3 81-Q&T 45.79 2.48 0.29 0.89 0.05 81-Q&P 50.18 2.78 0.21 0.95 0.07 82-Q&T 54.73 3.59 0.15 0.88 0.03 82-QPT 44.57 3.91 0.23 0.96 0.03