形变球化对珠光体钢在模拟货油舱内底板环境中腐蚀行为和力学性能的影响

郭佳明, 陈楠, 何小燕, 魏洁, 陈慧琴, 董俊华, 柯伟

Effect of Deformation Spheroidization Treatment on the Corrosion Behavior and Mechanical Properties of Pearlite Steel in Simulated Cargo Oil Tank Inner Substrate Environment

GUO Jiaming, CHEN Nan, HE Xiaoyan, WEI Jie, CHEN Huiqin, DONG Junhua, KE Wei

表4 T8钢浸泡不同时间后的拟合参数

Table 4 Fitting parameters of T8 steel after immersion for different time

t h	L 10^-7 Ω·m²	R_s Ω·cm²	Q_c-Y₀ × 10³ Ω^-1·cm^-2·S $^{- n_{c}}$	n_c	R_c Ω·cm²	Q_a-Y₀ × 10³ Ω^-1·cm^-2·S $^{- n_{a}}$	n_a	R_a Ω·cm²	χ²
24	3.862	1.640	3.135	0.3968	10.22	2.343	0.8030	12.37	1.823 × 10^-3
48	1.966	1.896	2.227	0.9383	6.55	5.125	0.5367	8.62	1.416 × 10^-4
72	3.150	1.995	1.944	0.9967	4.52	7.103	0.4695	5.89	1.886 × 10^-4
120	2.975	1.922	1.605	0.7563	3.50	8.612	0.5007	4.59	2.380 × 10^-4