Research Article
Corrosion Behaviour of a New Low-Nickel Stainless Steel Reinforcement: A Study in Simulated Pore Solutions and in Fly Ash Mortars
Table 4
Parameters used in the fitting of impedance data for low-nickel SS rebar embedded in A mortar.
| Time day | Ω cm2 | μFcm−2 | | Ω cm2 | μFcm−2 | | kΩ cm2 | |
| 0% chloride |
| 1 | 1456 | 8 | 0.60 | 369 | 21 | 0.87 | 4990 | 0.001 | 7 | 1738 | 4 | 0.65 | 407 | 21 | 0.86 | 4676 | 0.002 | 15 | 1764 | 3 | 0.67 | 394 | 21 | 0.86 | 6933 | 0.002 | 30 | 2078 | 4 | 0.67 | 422 | 20 | 0.86 | 13306 | 0.002 | 60 | 2442 | 4 | 0.66 | 366 | 19 | 0.87 | 9307 | 0.0005 | 90 | 1026 | 4 | 0.63 | 305 | 20 | 0.87 | 9027 | 0.0009 | 120 | 795 | 3 | 0.78 | 154 | 22 | 0.86 | 9377 | 0.003 | 180 | 835 | 4 | 0.70 | 149 | 21 | 0.88 | 7942 | 0.002 |
| 2% chloride |
| 1 | 449 | 5 | 0.74 | 88 | 19 | 0.89 | 11446 | 0.002 | 7 | 347 | 7 | 0.69 | 50 | 19 | 0.88 | 9234 | 0.001 | 15 | 277 | 7 | 0.71 | 39 | 20 | 0.86 | 21745 | 0.0007 | 30 | 354 | 7 | 0.70 | 57 | 20 | 0.86 | 14146 | 0.001 | 60 | 421 | 5 | 0.70 | 67 | 19 | 0.85 | 20333 | 0.006 | 90 | 450 | 8 | 0.70 | 74 | 19 | 0.86 | 9621 | 0.005 | 120 | 486 | 2 | 0.80 | 54 | 19 | 0.85 | 10645 | 0.002 | 180 | 535 | 9 | 0.70 | 90 | 19 | 0.87 | 8121 | 0.001 |
| 5% chloride |
| 1 | 517 | 5 | 0.77 | 124 | 22 | 0.82 | 1853 | 0.001 | 7 | 306 | 9 | 0.68 | 93 | 23 | 0.81 | 2057 | 0.008 | 15 | 325 | 4 | 0.69 | 108 | 22 | 0.84 | 2225 | 0.003 | 30 | 185 | 8 | 0.71 | 114 | 26 | 0.79 | 5577 | 0.003 | 60 | 273 | 9 | 0.70 | 144 | 29 | 0.80 | 5431 | 0.005 | 90 | 186 | 8 | 0.75 | 50 | 29 | 0.80 | 5594 | 0.0004 | 120 | 250 | 7 | 0.69 | 68 | 28 | 0.79 | 7390 | 0.0005 | 180 | 285 | 9 | 0.68 | 32 | 24 | 0.82 | 7668 | 0.0005 |
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