Academic literature on the topic 'Tafel's law'

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Journal articles on the topic "Tafel's law"

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Rodriguez-Mellado, J. M., J. L. Avila, and J. J. Ruiz. "Reduction of dicarbonyl compounds on a mercury electrode. II. Reduction mechanism of acetylbenzoyl." Canadian Journal of Chemistry 63, no. 4 (1985): 891–95. http://dx.doi.org/10.1139/v85-148.

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A study on the electrochemical reduction of acetylbenzoyl on a mercury electrode has been carried out in the pH range 0–9 in buffered aqueous solutions. The effect of pH, drop time, temperature, and acetylbenzoyl concentration on polarographic and kinetic parameters has been studied. The occurrence of adsorption phenomena is inferred from the recordings of C–E curves. Tafel slopes and reaction orders have been obtained at potentials corresponding to the foot of the wave. On the basis of these experimental data, a reaction mechanism is proposed for the zone of potentials where Tafel's law is sa
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Newman, Roger, and Anatolie Carcea. "The Diffusion Potential and Impedance Behaviour Associated with an Anodic Metal Dissolution Reaction." ECS Meeting Abstracts MA2025-01, no. 20 (2025): 1363. https://doi.org/10.1149/ma2025-01201363mtgabs.

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The authors have read many textbook formulations of the DC and AC response of an anodically dissolving metal electrode (with no extraneous cathodic reactions such as water reduction), and we believe - rightly or wrongly - that most of these miss one or more important points. Under steady state DC anodic dissolution conditions, we can assume that the net anodic current density is affected by the basic kinetic parameters of the partial reactions, and by the concentration of the product cations at the electrode. One outcome of such an assumption is that the reaction may appear to obey Tafel's law
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José, Adrián Tamayo-Sepúlveda, Alejandro Vásquez-Arroyave Ferley, and Andrés Calderón-Gutiérrez Jorge. "Effect of aeration on the Tafelian behavior of the corrosion of carbon steel in acid sulfate medium." Revista Facultad de Ingeniería –redin-, no. 83 (June 26, 2017): 36–42. https://doi.org/10.17533/udea.redin.n83a05.

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This study presents a corrosion analysis of carbon steel by electrochemical polarization tests on a rotating disk electrode at several aeration and hydrodynamic conditions in solution 0.2 mol L-1 K2SO4 at pH 3. The reactions involved in the dissolution of the steel are analyzed by studying the Tafel regions of the polarization curves, confirming that the dissolved oxygen plays a predominant role in the corrosion of the metal. The corrosion rate was 35 times higher in natural aeration conditions than in the deaerated medium. Under natural aeration conditions, it is not possible to make a simple
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Kuchenbecker, Joern. "Ein webbasierter Farbsehtest als Tool zur qualitativen Bewertung von pseudoisochromatischen Pflüger-Haken-Farbtafeln." Klinische Monatsblätter für Augenheilkunde 235, no. 11 (2018): 1285–91. http://dx.doi.org/10.1055/a-0603-4012.

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Zusammenfassung Einleitung Pseudoisochromatische Farbtafeln werden nach bestimmten Prinzipien konstruiert und können von der Qualität sehr unterschiedlich sein. Um die diagnostische Qualität zu prüfen, müssen sie an einer größeren Anzahl von Probanden getestet werden, was jedoch mit großem Zeit- und Kostenaufwand verbunden ist. Hier bietet sich der Einsatz eines standardisierten webbasierten Tests an. Methodik Es wurden 8 Pflüger-Haken-Farbtafeln (inkl. 1 Demotafel) nach Velhagen aus der Auflage von 1980 digitalisiert und in einen webbasierten Farbsehtest (www.farbsehtest.de) eingefügt. Nach v
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Galvele, J. R. "Tafel’s law in pitting corrosion and crevice corrosion susceptibility." Corrosion Science 47, no. 12 (2005): 3053–67. http://dx.doi.org/10.1016/j.corsci.2005.05.043.

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Elsener, B. "Corrosion rate of steel in concrete—Measurements beyond the Tafel law." Corrosion Science 47, no. 12 (2005): 3019–33. http://dx.doi.org/10.1016/j.corsci.2005.06.021.

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Messinese, Elena, Marco Ormellese, and Andrea Brenna. "Advancing a Comprehensive Model for Carbon Steel Corrosion in Weak Acids: Validation Using Valeric and Acetic Acids." Applied Sciences 14, no. 23 (2024): 11341. https://doi.org/10.3390/app142311341.

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Acidic corrosion in industrial environments represents a serious threat that requires an active prevention and management strategy. In this context, weak acids can create a severe corrosion environment for metallic surfaces, sometimes exceeding the severity observed in strongly acidic solutions under similar conditions. While most of the research efforts of the last decades in the field of the predictive modeling of acidic corrosion have been focused on the specific case of sweet corrosion caused by carbonic acid, the goal of this work is to describe and validate a predictive model to be used
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van den Hout, T. P. J. "GRODDEK, D.: Eine althethitische Tafel des KI. LAM-Festes." Kratylos 52, no. 1 (2007): 198–201. http://dx.doi.org/10.29091/kratylos/2007/1/41.

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Haase, Michaela, and Ingrid Becker. "Resource-Making and Proto-Institutions in the German Tafel Field: Applying a Hermeneutical Context Model." Journal of Contextual Economics – Schmollers Jahrbuch 140, no. 1 (2020): 31–64. http://dx.doi.org/10.3790/schm.140.1.31.

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This paper studies resource making and the emergence of proto-institutions in Tafel Deutschland, an umbrella organization for more than 940 food banks or pantries in Germany, deploying a hermeneutical context model. Shedding light on value co-creation processes in the German Tafel field, we analyze how the activities and interpretations of or within Tafel organizations devoted to resource integration and resource making relate to their two missions and how their methods of dealing with conflict have led to the emergence of proto-institutions. The economic value co-created within in the Tafel f
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Gerling, Christophe, Matthias Hanauer, Ulrich Berner, and K. Andreas Friedrich. "PEM Single Cells under Differential Conditions: Full Factorial Parameterization of the ORR and HOR Kinetics and Loss Analysis." Journal of The Electrochemical Society 169, no. 1 (2022): 014503. http://dx.doi.org/10.1149/1945-7111/ac44ba.

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The anode and cathode kinetics are parameterized based on differential cell measurements. Systematic parameter variations are evaluated to disentangle the dependencies of the electrochemical impedance spectroscopy (EIS) signatures in H2/H2 mode. We introduce a new CO recovery protocol for both electrodes that enables to accurately characterize the hydrogen oxidation reaction (HOR) kinetics. Then, we demonstrate that a compact Tafel kinetics law captures the oxygen reduction reaction (ORR) kinetics for a full factorial grid of conditions, covering a wide range of relative humidities (rH), tempe
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Books on the topic "Tafel's law"

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Schulin, Hermann. Tafeln zum schweizerischen Obligationenrecht. 4th ed. Schulthess, 1999.

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Schnyder, Anton K. Tafeln zum internationalen Privat- und Zivilverfahrensrecht. 2nd ed. Schulthess, 2006.

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Kieser, Ueli. Tafeln zum schweizerischen Sozialversicherungsrecht. 4th ed. Schulthess, 2008.

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Guldimann, Werner. Luftrecht: Texte und Tafeln. Schulthess Polygraphischer, 1995.

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Kieser, Ueli. Tafeln zum schweizerischen Sozialversicherungsrecht. 3rd ed. Schulthess, 2003.

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Kieser, Ueli. Tafeln zum schweizerischen Sozialversicherungsrecht. Schulthess, 1994.

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Eckert, Andreas. Tafeln zum Strafrecht: Besonderer Teil I. 5th ed. Schulthess, 2012.

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Eckert, Andreas. Tafeln zum Strafrecht: Besonderer Teil I. 4th ed. Schulthess, 2004.

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Hagemann, Matthias. Iniuria: Von den XII-Tafeln bis zur Justinianischen Kodifikation. Böhlau, 1998.

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Freydank, Helmut. Mittelassyrische Rechtsurkunden und Verwaltungstexte IV: Tafeln aus Kār-Tukultī-Ninurta. Saarbrücker Druckerei und Verlag, 1994.

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Book chapters on the topic "Tafel's law"

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"Tafeln." In Die Bibliothek – The Library – La Bibliothèque. De Gruyter, 2020. http://dx.doi.org/10.1515/9783110700503-047.

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Schmickler, Wolfgang. "Selected experimental results for electron-transfer reactions." In Interfacial Electrochemistry. Oxford University Press, 1996. http://dx.doi.org/10.1093/oso/9780195089325.003.0013.

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Innumerable experiments have been performed on both inner- and outer-sphere electron-transfer reactions. We do not review them here, but present a few results that are directly relevant to the theoretical issues raised in the preceding chapters. The Butler-Volmer equation (5.10) predicts that for |η| > kT/e0 a plot of the logarithm of the current versus the applied potential (Tafel plot) should result in a straight line, whose slope is determined by the transfer coefficient α. Because of the dual role of the transfer coefficient (see Section 5.2), it is important to verify that the transfer
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Conference papers on the topic "Tafel's law"

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Yan, L., R. Worthingham, and F. King. "Electrochemical Properties of X-65 Pipeline Steel in Dilute HCO3−/CO32− Solutions." In CORROSION 2010. NACE International, 2010. https://doi.org/10.5006/c2010-10298.

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Abstract In this study, the electrochemical behaviour of X65 pipeline steel was investigated in three dilute HCO3− solutions, i.e., 10 mM, 20 mM, and 50 mM, purged with 5% CO2/N2 or 100% CO2 to achieve the typical pH of the trapped water under a disbonded shielding coating, i.e., pH 5.5 to 7.5. The measurements of corrosion potential (Ecorr) showed that the free corrosion process of X65 carbon steel in dilute HCO3− solutions involves Fe – 2e− → Fe2+ as the anodic reaction coupled with H+ + e− → ½H2 as the cathodic reaction. The investigation of the anodic polarization behaviour of X65 carbon s
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Cuevas Arteaga, C., and F. Domínguez Crescencio. "Application of Electrochemical Noise Technique to Study the Resistance Corrosion of SS-316 Stainless Steel Exposed in an Aqueous Lithium Bromide Solution." In CORROSION 2006. NACE International, 2006. https://doi.org/10.5006/c2006-06414.

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Abstract Corrosion resistance of SS-316 stainless steel exposed to aqueous lithium bromide solution of 50% (wt.) was investigated using electrochemical noise technique and polarization curves at 25, 50, 60, 70 and 80°C. The main propose was to obtain the corrosion rates and corrosion mechanism for lithium bromide solution, which is one of the absorbents used in heat pumps for both refrigeration and heating. Even though this absorbent has good characteristics as an absorbent, it is corrosive to the tubing. All the current noise-time series records seem to have similar characteristics: low mediu
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Pye, E. L., M. L. Pye, and F. H. Brock. "Pol-Plot Basic Electrodic Software - Simple to Complex." In CORROSION 1988. NACE International, 1988. https://doi.org/10.5006/c1988-88102.

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Abstract POL-PLOT, a computerized method for the analysis of polarization data is described. This method uses the complete Butler-Volmer electrodic equation. Important corrosion parameters such as corrosion current density, Tafel constants, and polarization resistance are readily obtainable. Application of this new method shows that it is rapid, easy to use and yields accurate results using a minimum of low-field data points.
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Monzel, William (Jacob), Alan P. Druschitz, and Myrissa Maxfield. "Development of New, Low-Voltage, Aluminum, Sacrificial Anode Chemistries." In CORROSION 2014. NACE International, 2014. https://doi.org/10.5006/c2014-4284.

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Abstract The ultimate goal of this research is to develop the ability to predict the performance of low voltage, aluminum, sacrificial anodes based on chemistry. Low voltage, aluminum, sacrificial anodes are attractive since their operating conditions reduce the likelihood of causing hydrogen embrittlement or stress corrosion cracking when used to protect high strength steels. In this study, open circuit potential, potentiostatic, galvanostatic and Tafel tests were performed on high-purity aluminum-based binary and ternary alloys containing Bi, Ga, In and Zn in an effort to understand the indi
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Arteaga, C. Cuevas, C. F. Campos Sedano, and Bernardo Campillo. "Corrosion Performance of a Carbon Steel Exposed to LiBr-H2O Solution at Low Temperatures." In CORROSION 2008. NACE International, 2008. https://doi.org/10.5006/c2008-08377.

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Abstract A corrosion study has been made using the electrochemical current and potential noise technique, polarization curves and conventional weight loss method to determine the corrosion resistance of a carbon steel exposed to LiBr-H2O (50% wt.) corrosive solution at 25, 50, 60, 70 and 80°C. From the noise measurements, the resistance noise (Rn) was determined, and then the Stern-Geary equation and Faraday’s Law were used to determine the mass loss. The results indicated that the corrosion rates increased with temperature. SEM observations of the corroded samples indicated that the carbon st
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Aagotnes, N. O., T. Hemmingsen, C. Haarseth, and I. Midttveit. "Comparison of Corrosion Measurements by use of AC-Impedance, LPR and Polarization Methods on Carbon Steel in CO2 Purged NaCl Electrolytes." In CORROSION 1999. NACE International, 1999. https://doi.org/10.5006/c1999-99027.

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Abstract Comparative measurements are performed on carbon steel in CO2 purged and aerated sodium chloride solutions at different salinities on rotated and stationary electrodes. The results from the use of the AC-Impedance measuring technique are compared with more traditional techniques like Linear Polarization Resistance (LPR) and Polarization using Tafel equations. Electron microscope analyses were obtained to monitor the film formation rate and to facilitate the comparison of the results from the use of the AC-impedance technique. Generally, corrosion in the CO2 environment was higher than
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Fonseca, A., E. Almanza, W. Rozo, and E. Vera. "Effect of N-Furfuryil-Aniline and N-Furyl-C-Phenyl-Nitrone on Corrosion Inhibition of Low Carbon Steel in 3% NaCl." In CONFERENCE 2022. AMPP, 2022. https://doi.org/10.5006/c2022-18167.

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ABSTRACT Carbon steel is one of the most commonly used metals in the oil, gas, and hydrocarbons transport industry, given its mechanical properties and low production cost; however, its low corrosion resistance to different aggressive environments has been considerably reported. Worldwide, there is an interest in mitigating corrosion and minimizing the associated cost. Inhibitors have become one of the best practical methods to avoid internal corrosion damage, especially in hydrocarbons transport lines. This investigation aims to develop and evaluate the molecules n-furfuryil-aniline (NFA) and
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Wang, H. B., H. Shi, T. Hong, C. Kang, and W. P. Jepson. "Characterization of Inhibitor and Corrosion Product Film Using Electrochemical Impedance Spectroscopy (EIS)." In CORROSION 2001. NACE International, 2001. https://doi.org/10.5006/c2001-01023.

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Abstract In the work, EIS and Tefal techniques were used to study the corrosion inhibitor performance in multiphase flow conditions. The experimental results show that the corrosion product layer without inhibitor is non-protective at a low temperature and low pressure environment. In slug flow at a Froude number of 6, the effectiveness of the inhibitor increases with the addition of an oil phase and reaches almost 100 % for 100 ppm of inhibitor. Tafel analysis suggest that the most possible way to decrease the corrosion rates could result from the effect of blocking the active sites on the me
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Monisha, R., Sowmya Ramkumar, and D. Nalini. "Experimental and Density Function Theory Calculations to Investigate the Adsorption of an Anti-inflammatory Drug on Aluminum Surface in Acid Solution." In CORROSION 2016. NACE International, 2016. https://doi.org/10.5006/c2016-07517.

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Abstract The literature dealing with aluminium behavior in acid media in the presence of an anti-inflammatory drug is studied in order to understand its action mechanism, protective film formed and the possibility of its application according to the inhibition efficiency achieved. Aceclofenac, an anti-inflammatory drug is studied and its inhibitive performance on aluminium corrosion was studies by both dry and wet lab studies. Dry lab process using DFT is used to explore the relationship between the inhibitor molecular property and its inhibition efficiency. Wet lab studies have been carried o
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Feng, Ruishu, Justin R. Beck, Derek M. Hall, et al. "Corrosion Behavior of Ultra-high Strength Drilling Steel in Alkaline Brines Containing Hydrogen Sulfide at High Temperature." In CORROSION 2016. NACE International, 2016. https://doi.org/10.5006/c2016-07657.

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Abstract In-situ electrochemical measurements were used to study the sour corrosion of ultra-high strength low alloy carbon steel (UHSLA) in alkaline brines at 200 °C. The solutions were buffered with NaHCO3 / Na2CO3 / NaOH to pH values calculated to be 8.1, 9.8, and 10.8 with the presence of H2S gas at 200 °C. The partial pressure of H2S was equivalent to 10 psi (69 kPa) at 85 °C. According to thermodynamic calculations, the dominant reactive ion changed from HCO3-(aq) to OH-(aq) with a comparable concentration of HS-(aq) as pH increased. Measured polarization resistance values at 200 °C were
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