同成分的超细贝氏体钢和<strong>Q&P</strong>钢在海水中应力腐蚀开裂行为对比研究

同成分的超细贝氏体钢和Q&P钢在海水中应力腐蚀开裂行为对比研究

苏志诚, 张弦, 程焱, 刘静, 吴开明

Comparative Study on Stress Corrosion Cracking Behavior of Ultrafine Bainitic Steel and Q&P Steel with Same Composition in Seawater

SU Zhicheng, ZHANG Xian, CHENG Yan, LIU Jing, WU Kaiming

表2 2种实验钢的电化学阻抗拟合参数值

Table 2 Fitting electrochemical parameters of EIS

Fitting parameter	R_s / Ω·cm²	R_f / Ω·cm²	R_ct / Ω·cm²	CPE, Y₀1 / S·sec ⁿ ·cm^-2	CPE, Y₀2 / S·sec ⁿ ·cm^-2
B	4.5	30	1664.0	5.74 × 10^-4	5.22 × 10^-4
QP	5.5	131.4	803.1	2.09 × 10^-3	8.24 × 10^-4