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 5 Equivalent circuit fitting of EIS data of SAD at v = 5 m/s from 10-16 h of corrosion.
Time
(h)
Rs
(Ω cm2)
Qdl
-1 cm-2 s-n)
ndl Rct
(Ω cm2)
Qdf
-1 cm-2 s-n)
ndf Rdf
(Ω cm2)
Ave err (%)
10 11.24 2.1E-3 1 15.81 9.4E-3 0.2711 24.23 8.74
13 11.31 2.0E-3 1 19.24 8.2E-3 0.4292 26.22 10.53
16 11.27 1.9E-3 1 21.74 9.9E-3 0.4664 25.45 7.32