Research Article
Analysis of the Effect of Applied Load on Crevice Corrosion Behavior
Table 1
Geometrical and electrochemical parameters.
| | Parameters | Values |
| | Crack depth L1 (mm) | 5 | | Crack width L2 (mm) | 0.1 | | Faraday’s number F (C·mol−1) | 96500 | | External potential φs (V) | −0.4 | | Electrical conductivity k (µS·cm−1) | 9400 | | Tafel slope of hydrogen AH (V) | −0.15 | | Tafel slope of oxygen AO2 (V) | −0.18 | | Initial oxygen concentration CO2,ref (mol·L−1) | 2.29 × 10−4 | | Standard potential of hydrogen Eeq-H (V) | −1.03 | | Standard potential of oxygen Eeq-O2 (V) | 0.189 | | Standard potential of iron Eeq-Fe (V) | −0.76 | | Exchange current density of hydrogen i0,H (A·m−2) | 1.1 × 10−2 | | Exchange current density of oxygen i0,O2 (A·m−2) | 7.7 × 10−7 | | Diffusion coefficient of iron ion DFe2+ (cm2·s−1) | 7.2 × 10−6 | | Diffusion coefficient of sodium ion DNa+ (cm2·s−1) | 1.334 × 10−5 | | Diffusion coefficient of chloride ion DCl− (cm2·s−1) | 2.032 × 10−5 | | Diffusion coefficient of oxygen DO2 (cm2·s−1) | 2.29 × 10−5 | | Diffusion coefficient of hydrogen DH (cm2·s−1) | 3.3 × 10−5 | | Solution concentration CNaCl (mol·L−1) | 0.01 |
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