Development mechanism of internal local corrosion of X80 pipeline steel
Zhuowei Tan, Liuyang Yang, Dalei Zhang, Zhenbo Wang, Frank Cheng, Mingyang Zhang, Youhai Jin
Table 6 Equivalent circuit fitting of EIS data of the SAD at v = 7 m/s.
Time
(h)
Rs
(Ω cm2)
Qdl
-1 cm-2 s-n)
ndl Rct
(Ω cm2)
L
(H cm-2)
RL
(Ω cm2)
Ave err (%)
1 11.80 3.1E-3 1 15.12 49.85 64.03 8.53
4 11.73 2.9E-3 1 16.02 80.79 76.3 5.24
7 11.74 2.6E-3 1 17.38 108.6 101.73 4.69
10 11.51 2.5E-3 1 18.72 129.5 107.3 6.41
13 11.04 2.2E-3 1 19.33 167.8 133 7.04
16 11.81 2.0E-3 1 20.68 215.4 151.6 5.92