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polarization

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Published: 01 July 2000
Fig. 3.1 Polarization curves illustrating charge-transfer polarization (Tafel behavior) for a single half-cell reaction. (a) Anodic polarization. (b) Cathodic polarization. (c) Both anodic and cathodic polarization More
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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 June 2007
Fig. 9.7 Cyclic polarization curves of sintered 316L specimens. Polarization is started at the free corrosion potential More
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Published: 30 November 2023
Fig. 1 Examples of applying potentiodynamic polarization scan (PDS) curves to interpret the inhibiting effect of the tested inhibitor: (a) PDS results of steel electrode after 24 h immersion in inhibitor-containing sodium chloride solution compared to a plain counterpart. Reprinted from Ref 6 More
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Published: 01 January 2017
Fig. 17.41 Potentiodynamic polarization curves for carbon-manganese steel in 1 N sodium carbonate plus 1 N sodium bicarbonate at 90 °C (195 °F) showing the domains of behavior predicted from curves. Source: Ref 17.71 More
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Published: 01 January 2017
Fig. 17.42 Anodic polarization curves for aluminum alloy 7075-T651 in deaerated 3.5% NaCl solution showing the domains of behavior predicted from the curve. Source: Ref 17.73 More
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Published: 01 January 2000
Fig. 17 Activation polarization curve for the anodic reaction of iron and ferrous ions More
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Published: 01 January 2000
Fig. 18 Activation polarization curve for the cathodic reaction of hydrogen ions and hydrogen gas More
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Published: 01 January 2000
Fig. 20 Schematic diagrams of the three forms of activation polarization control More
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Published: 01 January 2000
Fig. 21 Onset of concentration polarization at more reducing potentials for a cathodic reduction reaction More
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Published: 01 January 2000
Fig. 22 Effect of ohmic polarization on the current in a corrosion cell More
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Published: 01 January 2000
Fig. 25 Anodic polarization curves for an active metal and an active-passive metal More
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Published: 01 January 2000
Fig. 26 Schematic polarization curve for a metal (e.g., stainless steel) that displays an active-passive transition. At relatively low potential values, within the active region, the behavior is linear, as it is for normal metals. With increasing potential, the current density suddenly More
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Published: 01 August 2013
Fig. 12.6 Polarization is caused by an accumulation of positive ions near the anode and negative ions near the cathode. More
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Published: 01 August 2013
Fig. 12.7 Polarization at the cathode decreases the cell potential. Increased convection decreases the polarization. The effects of anode polarization are similar. More
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Published: 01 December 2015
Fig. 3 Schematic of a polarization curve showing critical potentials and metastable pitting region. E P , pitting potential; E R , repassivation potential; E corr , corrosion potential. Source: Ref 1 More
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Published: 01 December 2015
Fig. 3 Crevice corrosion of type 304 stainless steel after polarization at +0.05 V(SCE) in 0.017 M NaCl. Mouth of crevice is at the bottom edge of the micrograph. The material boundary is the broken white line. Area of attack is light region above broken line. Source: Ref 5 More
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Published: 01 December 2015
Fig. 10 Potentiokinetic polarization curve and electrode potential values at which stress-corrosion cracking appears More
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Published: 01 December 2015
Fig. 11 Potentiokinetic polarization curve and electrode potential values at which intergranular and transgranular stress-corrosion cracking appear in a 10% NaOH solution at 288 °C (550 °F). (a) Alloy 600. (b) Alloy 800. (c) AISI type 304 stainless steel More
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Published: 01 December 2015
Fig. 1 Schematic of experimental apparatus used for anodic polarization studies. Current flow between the working electrode and the auxiliary electrode forces a shift in potential between the working electrode and the reference electrode. V, voltmeter. Source: Ref 23 More