Research Article
Effect of Microstructure on Hydrogen Diffusion in Weld and API X52 Pipeline Steel Base Metals under Cathodic Protection
Table 8
values of hydrogen for different steels obtained by literature.
| Authors | Samples (steel) | Effective diffusion coefficient () | (×10−4 mm2·s−1) | Time Lag | Breakthrough | Fourier |
| Haq et al., 2013 [20] | API X70 (inner) API X70 (edge) | 2.250 1.970 | 3.020 2.290 | 2.140 2.000 | Cheng, 2007 [22] | API X65 | 0.924 | 1.060 | 0.864 | Turnbull and Carroll, 1990 [23] | AISI 410 | 0.076 | 0.042 | 0.190 |
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