Research Article
Corrosion Protection of AA7075 Aluminium Alloy by Trimethoxy-Silanes Self-Assembled Monolayers
Table 2
Fitting parameters for the equivalent circuits used in this study.
| | Parameter | Bared samplea | PTMS coatingb | ODTMS coatingb |
| | (Ω cm2) | 20.8 | 19.3 | 21.0 | | (kΩ cm2) | 1.41 | 1.17 | 6.61 | | (kΩ cm2) | 0.78 | 1.34 | 4.5 × 102 | | (kΩ cm2) | — | 1.37 | 0.14 | |
(F/(cm2 )) | — | 3.4 × 10−5 | 5.6 × 10−6 | | — | 0.93 | 0.79 | | (F/(cm2 )) | 8.5 × 10−4 | 5.1 × 10−4 | 3.2 × 10−4 | | 0.76 | 1.0 | 1.0 | | (F/(cm2 )) | 4.1 × 10−4 | 1.1 × 10−5 | 1.0 × 10−6 | | 0.96 | 1.0 | 0.82 | | (W) (F/(cm2 )) | — | — | 1.6 × 10−3 |
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Circuit on Figure 5(a). bCircuit on Figure 5(b).
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