317L/FH40复合板在不同温度下摩擦-腐蚀耦合作用机理研究

孙士斌, 赵子铭, 高珍鹏, 宫旭辉, 王东胜, 强强, 常雪婷

Friction-corrosion Performance of Steels and Their Welding Zone for Composite Plate of 317L Stainless Steel/FH40 Low-temperature Marine Steel in Simulated Sea Waters at Different Temperatures

SUN Shibin, ZHAO Ziming, GAO Zhenpeng, GONG Xuhui, WANG Dongsheng, QIANG Qiang, CHANG Xueting

表2 海水腐蚀10 d后等效电路拟合参数

Table 2 Fitting parameters of EIS of FH40 cryogenic steel, weld joint and 317L stainless steel after 10 d immersion in seawater

Sample RS / Ω·cm² Qf n Rf / Ω·cm² Qd n Rt / Ω·cm² FH40 11.38 42.18 0.82 19.15 15.64×10-4 0.66 1488 Weld 7.426 12.99 0.71 24.91 17.66×10-4 0.72 1398 317L 9.28 11.41 0.73 3567 3.33×10-4 0.56 3.01×104