FH40船用钢在模拟极地海水环境中的腐蚀与磨蚀行为

黄诗雨, 刘士琛, 杨淞普, 刘家兵, 李刚, 郭娜, 刘涛

Corrosion and Wear Corrosion Behavior of FH40 Marine Steel in Simulated Polar Seawater Environment

HUANG Shiyu, LIU Shichen, YANG Songpu, LIU Jiabing, LI Gang, GUO Na, LIU Tao

表2 FH40钢在4 ℃模拟极地海水环境中浸泡0和7 d后EIS的拟合结果

Table 2 Fitting results of EIS of FH40 steel immersed in simulated polar seawater at 4 ℃ for 0 and 7 d

Sample Rs / Ω·cm2 CPEf / Ω·cm-2·s-n1 n1 Rf / Ω·cm2 CPEdl / Ω·cm-2·s-n2 n2 Rct / Ω·cm2 χ2 0 d R(QR) 7.9 5.7 × 10-4 0.76 1670.0 4.8 × 10-4 7 d R(QR)(QR) 12.11 3.6 × 10-3 0.80 431.9 2.1 × 10-3 0.67 211.3 1.7 × 10-4