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anodic polarization

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Published: 01 July 2000
Fig. 5.41 Approximate anodic polarization curve for iron and cathodic polarization curves for oxygen under several conditions and for nitrite ions. The polarization curves are used to estimate the effects of these environments on corrosion rate. Estimated Ecorr and icorr for the several More
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Published: 01 July 2000
Fig. 3.3 Anodic polarization curve representative of active/passive alloys. Oxide films forming in the potential range a to c cause a decrease in current density. More
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Published: 01 July 2000
Fig. 4.13 Relationship of the mixed-electrode cathodic and anodic polarization curves (solid lines) to the oxidation and reduction components (dashed lines) of the individual anodic and cathodic reactions More
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Published: 01 July 2000
Fig. 4.15 Mixed-electrode cathodic and anodic polarization curves (solid lines) based on the reduction component of the cathodic reaction and the oxidation component of the anodic reaction (compare with Fig. 4.13 ) More
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Published: 01 July 2000
Fig. 4.28 Idealized anodic polarization curves for metals A and B and for hydrogen and oxygen reduction. An explanation for the use of these curves for estimating the corrosion potentials, currents and rates for aerated and deaerated environments and for galvanic coupling can be found in the text. More
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Published: 01 July 2000
Fig. 5.1 Schematic representation of several forms of anodic polarization curves and associated potential decay curves following release of potentiostatic control More
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Published: 01 July 2000
Fig. 5.6 Anodic polarization curves for iron dissolution (solid curves) and for total current density of iron plus oxygen evolution (dashed curves) after 1 h at steady state in deaerated 0.15 M Na 3 PO 4 solution. Indicated pH obtained by use of acid and base buffers and additions of H 2 SO 4 More
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Published: 01 December 1984
Figure 3-6 Potentiostatic anodic polarization curve for tin and zinc in 1 N NaOH at 25°C. (From Greene et al., Ref. 21, courtesy of Pergamon Press.) More
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Published: 01 July 2000
Fig. 5.20 Representative anodic polarization curves for indicated pure metals in 1 N H 2 SO 4 , pH = 0.56. Linear sections at lower potentials are representative of Tafel behavior. Redrawn from Ref 5 , 10 – 14 More
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Published: 01 July 2000
Fig. 5.21 Anodic polarization curves determined potentiostatically for three low index faces cut from a nickel monocrystal grown parallel to (110), 1 N H 2 SO 4 at 22–23 °C. Redrawn from Ref 15 More
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Published: 01 July 2000
Fig. 5.23 Potentiostatic anodic polarization curve for copper in deaerated 1 N H 2 SO 4 at 25 °C. Redrawn from Ref 20 More
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Published: 01 July 2000
Fig. 5.24 Anodic polarization curves for iron-chromium alloys in 1 N H 2 SO 4 . Redrawn from Ref 21 More
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Published: 01 July 2000
Fig. 5.27 Anodic polarization curves for nickel-chromium alloys in 1 N H 2 SO 4 . Redrawn from Ref 13 More
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Published: 01 July 2000
Fig. 5.28 Anodic polarization curves for chromium-nickel alloys in 1 N H 2 SO 4 . Redrawn from Ref 13 More
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Published: 01 July 2000
Fig. 5.29 Anodic polarization curves for nickel-molybdenum alloys in 1 N H 2 SO 4 . Redrawn from Ref 26 More
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Published: 01 July 2000
Fig. 5.30 Standard ASTM potentiodynamic anodic polarization plot for certification of potentiostat performance. Type 430 stainless steel in 1 N H 2 SO 4 at 30 °C. Scan rate of 600 mV/h. Test curve is to lie within the shaded region. Redrawn from Ref 27 More
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Published: 01 July 2000
Fig. 5.31 Changes in anodic polarization curves with pH for type 304 stainless steel in 1 M Na 2 SO 4 solutions. Redrawn from Ref 28 More
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Published: 01 July 2000
Fig. 5.32 Anodic polarization curves for Hastelloy C (54 Ni, 2.5 Co, 15.5 Cr, 16 Mo, 5.5 Fe, and 0.06 C max, wt%), in the indicated environments. R.T., room temperature. Redrawn from Ref 29 More
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Published: 01 July 2000
Fig. 5.33 Anodic polarization curves for three nickel-base alloys in 1 N HCl at 25 °C. Alloy F, 22.34 Cr, 7.07 Mo, 0.07 C (wt%); alloy C, 54 Ni, 2.5 Co, 15.5 Cr, 16 Mo, 4W, 5.4 Fe, 0.08 C (wt%); alloy B, 26.5 Mo, 0.75 Cr, 5.2 Fe, 0.02 C (wt%). Redrawn from Ref 29 More
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Published: 01 July 2000
Fig. 5.37 Anodic polarization of nickel-chromium binary alloys in 1 N H 2 SO 4 + 1 N NaCl. Redrawn from Ref 13 More