Potentiodynamic Polarization Curves
Corrosion Inhibition of Nickel in HCl Solution by Some Indole Derivatives
... using potentiodynamic polarization and electrochemical impedance spectroscopy (EIS) ...derivatives. Potentiodynamic polarization curves revealed that these inhibitors acted as ...
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Electrochemical Parameters of Equiaxed and Columnar Grain Arrays of a Pb1wt%Sn Alloy for Lead-Acid Battery Applications
... the potentiodynamic polarization curves were plotted and both corrosion rate and potential were estimated by Tafel plots by using both anodic and cathodic branches at a scan rate of ...mentioned ...
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Effect of the Deposition Temperature on the Corrosion Stability of TiO2 Films Prepared by Metal Organic Chemical Vapor Deposition
... solution at room temperature. Three different techniques were employed to characterize the electrochemical behavior of the films: electrochemical impedance spectroscopy (EIS), potentiodynamic polarization ...
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Corrosion inhibition of N80 steel simulated in an oil field acidification environment
... potential. Potentiodynamic polarization curves were obtained by changing the electrode potential automatically from -300 to +300 mV versus Eoc at a scan rate of ...
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Research of nickel’s electrochemical property in sulfuric acid solution by using potentiodynamic polarization curve.
... In sulfuric acid medium, by changing the speed of giving the potential in the range of 5-100 mV/s nickel electrode, the metal anodic corrosion potentiodynamic polarization curves were estimated ...
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Effect of Thiosulfate on Corrosion Behavior and Passive Films of Duplex Stainless Steel 2205 in Chloride Solutions
... the overall impedance values, indicating a deterioration of the corrosion resistance. This corresponded well with the potentiodynamic polarization curves. Various different models had been suggested ...
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Effect of AC Interference on Corrosion Behavior of X100 Pipeline Steel with Different Microstructure in Alkaline Soil Environment
... The potentiodynamic polarization curves of X100 steels with different microstructure under various AC current densities are shown in ...anode curves exhibit activated dissolution ...the ...
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Effect of bis-(3-triethoxysilylpropyl)-tetrasulfide on Super- Hydrophobicity and Corrosion Resistance of Self-Assembled Monolayers on 6061 Aluminum Alloys
... and potentiodynamic polarization curves were carried out in ...the polarization curve has a potential scan range of ± 300 mV (relative to the open circuit potential) and a scan rate of 1 ...
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Corrosion Inhibition of Zinc in Acid Medium using some Novel Organic Compounds
... The tested organic compounds (A-E) establish a very excellent protection for Zn corrosion in HCl solution, where IE% increased by increasing in organic compound (A-E) concentration. The reduction in corrosion hindrance ...
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Influence of a derivative of cyclotriphosphazene as a corrosion inhibitor for carbon steel in 3% NaCl medium
... In this work, the Hexa propylene glycolcyclotriphosphazene (HPGCP) (Fig. 1) was prepared by solvolysis of the epoxy resin HGCP [15-18] in basic solution of NaOH. The evaluation of the inhibitory efficacy of HPGCP ...
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Electrochemical Behavior of Silver in Sodium Sulphate Solution during Anodic Polarization Revisited
... We have detected anode-cathode and cathode-anode cyclic potentiodynamic polarization curves with a potentiostat SVA-1BM. A flat end of a silver core with a superficial dimension of 4 square ...
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Effect of Temperature on Thermogalvanic Coupling of Alloy 31 in Libr Solutions Studied by Means of Imposed Potential Measurements
... the potentiodynamic polarization curves (imposed potential measurements), the mixed potential theory was applied in order to study thermogalvanic corrosion between Alloy 31 electrodes subjected to ...
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An Innovative Application of Nano-Technology in the Production of Hybrid Inorganic-Organic Coatings of Crude Oil Tanks
... Potentiodynamic polarization curves of carbon steel specimens immersed in the sodium thio sulfate the highest corrosion medium without and with Nano Polyvinyl-Alcohol (FE/PVL) zinc oxide at 600 O C ...
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Assessment of Electrochemical and Mechanical Behavior of Hot-Extruded Powders and As-Cast Samples of Al-Ni Alloys
... the potentiodynamic polarization curves were plotted and the corrosion rate and potential were estimated by Tafel plots using both anodic and cathodic ...and potentiodynamic ...
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Application of Nonionic Surfactants based on Rosin As Corrosion Inhibitor for Tubing Steel During Acidization of Petroleum Oil and Gas Wells
... specimens, respectively. The inhibition efficiency (IE%) calculated from the potentiodynamic polarization curves are presented in Table 3.The results show that the addition of the ERIT-PEG Surfactant ...
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Electrodeposition of Superhydrophobic Hydroxyapatite/Magnesium Phosphate on a Magnesium Alloy Substrate for Enhanced Corrosion Resistance
... and potentiodynamic polarization curves, all reflected the dramatic improvement of the surface corrosion inhibition, which can greatly protect the magnesium alloy substrate from ...
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Electrochemical and Simulation Analysis of Salen as a Corrosion Inhibitor
... Salen was investigated for its corrosion inhibition potential on the carbon steel in 3.5% NaCl and 1M HCl solutions using potentiodynamic polarization curves, quantum chemical calculation, and ...
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Corrosion Inhibition Action of Sulfamethoxazole for Brass in Acidic Media
... The potentiodynamic polarization curves of the brass in blank solution and in the solutions containing different concentrations of SMX are presented in Figure ...
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Effect of Temperature during Hot Deformation on the Electrochemical Behavior of HSLA Pipeline Steels
... The potentiodynamic polarization curves behavior of HSLA steels after hot compression test at different strain rates is shown in ...the curves exhibited an active zone behavior only and no ...
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Electrochemical Studies of 2-amino-1, 9-dihydro-9-((2-hydroxyethoxy) methyl)-6H-purin-6-one as Green Corrosion Inhibitor for Mild Steel in 1.0 M Hydrochloric Acid Solution
... The impedance behavior of mild steel in the presence and in absence of inhibitor was studied using three electrode assembly at 308K temperature. The mild steel (working electrode) , saturated calomel electrode (reference ...
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