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Development mechanism of internal local corrosion of X80 pipeline steel
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Zhuowei Tan, Liuyang Yang, Dalei Zhang, Zhenbo Wang, Frank Cheng, Mingyang Zhang, Youhai Jin
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Table 5 Equivalent circuit fitting of EIS data of SAD at v = 5 m/s from 10-16 h of corrosion.
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Time (h) | Rs (Ω cm2) | Qdl (Ω-1 cm-2 s-n) | ndl | Rct (Ω cm2) | Qdf (Ω-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 |
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