Academic literature on the topic 'Potentiodynamic Measurement'

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Journal articles on the topic "Potentiodynamic Measurement"

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Saunders, Ivan. "Facilitating potentiodynamic anodic polarization measurement in corrosion testing." Anti-Corrosion Methods and Materials 43, no. 3 (1996): 21–25. http://dx.doi.org/10.1108/eb007393.

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Sebastian, Divine, Chun-Wei Yao, Lutfun Nipa, Ian Lian, and Gary Twu. "Corrosion Behavior and Mechanical Properties of a Nanocomposite Superhydrophobic Coating." Coatings 11, no. 6 (2021): 652. http://dx.doi.org/10.3390/coatings11060652.

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In this work, a mechanically durable anticorrosion superhydrophobic coating is developed using a nanocomposite coating solution composed of silica nanoparticles and epoxy resin. The nanocomposite coating developed was tested for its superhydrophobic behavior using goniometry; surface morphology using scanning electron microscopy and atomic force microscopy; elemental composition using energy dispersive X-ray spectroscopy; corrosion resistance using atomic force microscopy; and potentiodynamic polarization measurements. The nanocomposite coating possesses hierarchical micro/nanostructures, acco
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Liu, Yun, Zhi Dang, Yin Xu, and Tianyuan Xu. "Pyrite Passivation by Triethylenetetramine: An Electrochemical Study." Journal of Analytical Methods in Chemistry 2013 (2013): 1–8. http://dx.doi.org/10.1155/2013/387124.

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The potential of triethylenetetramine (TETA) to inhibit the oxidation of pyrite in H2SO4solution had been investigated by using the open-circuit potential (OCP), cyclic voltammetry (CV), potentiodynamic polarization, and electrochemical impedance (EIS), respectively. Experimental results indicate that TETA is an efficient coating agent in preventing the oxidation of pyrite and that the inhibition efficiency is more pronounced with the increase of TETA. The data from potentiodynamic polarization show that the inhibition efficiency (η%) increases from 42.08% to 80.98% with the concentration of T
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Moghanni-Bavil-Olyaei, Hamed, and Jalal Arjomandi. "Enhanced electrochemical performance of Al–0.9Mg–1Zn–0.1Mn–0.05Bi–0.02In fabricated from commercially pure aluminum for use as the anode of alkaline batteries." RSC Advances 6, no. 33 (2016): 28055–62. http://dx.doi.org/10.1039/c6ra02113a.

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The electrochemical performance of Al–0.9Mg–1Zn–0.1Mn–0.05Bi–0.02In (wt%) from commercially pure aluminum has been determined using open circuit potential–time measurement, galvanostatic discharge, potentiodynamic polarization and electrochemical impedance spectroscopy.
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Liang, Xiao Feng, and Xue Yang. "Corrosion Inhibition of 2-Mercaptobenzothiazole for Carbon Steel in Sulfuric Acid Solution." Advanced Materials Research 557-559 (July 2012): 92–95. http://dx.doi.org/10.4028/www.scientific.net/amr.557-559.92.

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The inhibition effect of 2-Mercaptobenzothiazole (2-MB) against the corrosion of carbon steel in sulfuric acid solution was studied by weight loss measurement and electrochemical measurements(potentiodynamic polarization techniques). The results show that 2-MB acts as a good corrosion inhibitor in sulfuric acid solution. Adsorption of 2-MB is found to obey Langmuir isotherm. Polarization curves indicate 2-MB is a mixed-type inhibitor. The effects of temperature and sulfuric acid concentration were also studied.
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Asaduzzaman, M. D., Chand Mohammad, and Islam Mayeedul. "Effects of concentration of sodium chloride solution on the pitting corrosion behavior of AISI 304L austenitic stainless steel." Chemical Industry and Chemical Engineering Quarterly 17, no. 4 (2011): 477–83. http://dx.doi.org/10.2298/ciceq110406032a.

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The pitting corrosion behavior of the austenitic stainless steel in aqueous chloride solution was investigated using electrochemical technique. Corrosion potential (Ecorr) measurement, potentiodynamic experiments, potential-hold experiments in the passive range, and microscopic examination were used for the evaluation of corrosion characteristics. The experimental parameters were chloride ion concentration, immersion time and anodic-hold potential. Ecorr measurements along with microscopic examinations suggest that in or above 3.5 % NaCl at pH 2 pitting took place on the surface in absence of
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Mohanty, Udit Surya, and Kwang-Lung Lin. "Potentiodynamic Polarization Measurement of Sn–8.5Zn–XAl–0.5Ga Alloy in 3.5% NaCl Solution." Journal of The Electrochemical Society 153, no. 8 (2006): B319. http://dx.doi.org/10.1149/1.2209569.

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Li, Song Song, Wei He, Zhi Hua Tao, and Shou Xu Wang. "Electrochemical Investigation of Triadimenol as Corrosion Inhibitor for Copper in 0.5mol/L H2SO4 Solution." Advanced Materials Research 830 (October 2013): 81–85. http://dx.doi.org/10.4028/www.scientific.net/amr.830.81.

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This paper chose triadimenol as a corrosion inhibitor of copper in 0.5mol/L sulfuric acid. The properties of corrosion inhibition were investigated by the polarization measurement and electrochemical impedance spectroscopy (EIS). Polarization curves showed that both cathodic and anodic processes of copper corrosion were suppressed. The inhibiting efficiency increased as the increment of the inhibitor concentration and reached 86.7% at 50 mg/L. The results obtained from EIS measurements are in line with that obtained from potentiodynamic polarization. Finally, a mechanism of inhibition is propo
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Genoni, Carmine, Anna da Forno, and Massimiliano Bestetti. "Comparison of Corrosion Resistance of High Pressure Die-Cast and Semi-Solid Cast AZ91, AM60, Alloys and Respective Anodic Oxides." Materials Science Forum 765 (July 2013): 618–22. http://dx.doi.org/10.4028/www.scientific.net/msf.765.618.

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A comparison of corrosion resistance of die-cast and semi-solid cast AZ91and AM60 magnesium alloys was performed in corrosive medium by measurement of the open circuit potential and potentiodynamic scans. Before testing, a heat treatment was carried out on the semi-solid cast alloys. Moreover, electrochemical measurements were performed on the four different substrates anodized in the micro-arc regime in an environment friendly alkaline aqueous solution. The results could be correlated to the different microstructures of the samples produced by the different processes and to the different comp
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Mariani, Simone Umberto, Anna da Forno, and Massimiliano Bestetti. "Corrosion Behaviour of High Pressure Die-Cast and Semi-Solid Cast AZ91, AM60 and AM50 Alloys." Solid State Phenomena 192-193 (October 2012): 231–37. http://dx.doi.org/10.4028/www.scientific.net/ssp.192-193.231.

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A comparison of corrosion resistance of die-cast and semi-solid cast AZ91, AM60 and AM50 magnesium alloys was performed in different corrosive media by measurement of the open circuit potential, potentiodynamic scans and weight loss tests. Before testing, a heat treatment was carried out onto semi-solid cast alloys. Electrochemical measurements have shown that the semi-solid cast alloys have a different corrosion rate compared to the die-cast ones. The results could be correlated to the different microstructures of the samples produced by the different processes.
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Dissertations / Theses on the topic "Potentiodynamic Measurement"

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Jain, Aman Vinay. "Corrosion Inhibitive Properties of Metal-Gluconate Coatings on Al Substrates." University of Cincinnati / OhioLINK, 2017. http://rave.ohiolink.edu/etdc/view?acc_num=ucin1509983584874447.

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Silva, Júnior Elvandi da. "DESENVOLVIMENTO DE SENSORES NANOESTRUTURADOS PARA A CONSTRUÇÃO DE UMA LÍNGUA ELETRÔNICA PARA A AVALIAÇÃO DE VINHOS." Centro Universitário Franciscano, 2014. http://www.tede.universidadefranciscana.edu.br:8080/handle/UFN-BDTD/532.

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Book chapters on the topic "Potentiodynamic Measurement"

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Masmoudi, Mohamed. "Infrared Characterization and Electrochemical Study of Silanes Grafted into Surface of Copper." In Thin Films [Working Title]. IntechOpen, 2021. http://dx.doi.org/10.5772/intechopen.99782.

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The formation of a protective layer of tow silane coupling agents: γ -methacryloxypropyltrimethoxysilane (γ-MPS) or γ-aminopropyltriethoxysilane (γ-APS) on copper is studied by diffuse reflectance infrared spectroscopy (DRIFT), electrochemical (Potentiodynamic polarization) and gravimetric chemical (Weight loss) measurements. Dried in ambient conditions, the silane adsorbed on the copper subtract physically, however its protective action is not reliable. Thiolate and siloxane band formation ameliorate the protective action of the silanic layer on the surface of copper especially after curing process. Potentiodynamic polarization and Weight loss experiments show that the performances protective action of cured treatment (cured/Cu-silane) is higher than that of aging process (aged/Cu-silane).
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Tao, Shaohu, Jianping Peng, Yuezhong Di, Kejia Liu, Kun Zhao, and Naixiang Feng. "Electrochemical Study of Potassium Fluoride in a Cryolite-Aluminum Oxide Molten Salt." In Encyclopedia of Aluminum and Its Alloys. CRC Press, 2019. http://dx.doi.org/10.1201/9781351045636-140000409.

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Selective and efficient electrochemical methods to characterize aluminum are necessary. Current methods are based on potentiodynamic polarization, recurrent potential double pulses, chronopotentiometry, open-circuit chronopotentiometry, and potentiostatic electrolysis, but have not been used to characterize the deposition of aluminum in Na3AlF6-Al2O3-KF molten salts. The control processes of the formation of aluminum-tungsten inter-metallic compounds, and the deposition of aluminum have been investigated by using steady-state potentiodynamic cathodic polarization curves. The dissolution loss rate of aluminum was determined with an increase in KF concentration by the analysis of recurrent potential double pulses. Using chronopotentiometry, it was confirmed that the deposition potential of aluminum shifted more negative as the KF concentration increased, and a higher KF concentrations induced a higher cathodic overpotential. From open-circuit potential measurements and scanning electron micrographs, it was concluded that aluminum(III) ions react with tungsten substrates to form an aluminum-tungsten compound, and the reaction mechanism of aluminum was determined. These electrochemical methods applied with aluminum electrolysis were accurate, efficient, and reliable.
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Ouakki, Moussa, Mouhsine Galai, Mohammed Cherkaoui, Mohamed Ebn Touhami, E. H. Rifi, and Z. Hatim. "Corrosion Inhibition Study of Mild Steel in the Acidic Mediums Containing a Mineral Compound-Based Phosphate." In New Challenges and Industrial Applications for Corrosion Prevention and Control. IGI Global, 2020. http://dx.doi.org/10.4018/978-1-7998-2775-7.ch008.

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The corrosion inhibition of mild steel in hydrochloric, sulfuric, and phosphoric acids solutions containing a mineral compound-based phosphate (apatite) was evaluated by potentiodynamic polarization and electrochemical impedance spectroscopy. Potentio-dynamic polarization measurements reveal that the inhibition efficiency increased with the concentration of the apatite, which appears to be a cathodic type inhibitor in the three mediums. Electrochemical impedance spectroscopy confirms this result; indeed, the transfer resistance increases with apatite concentration. The authors note that the double layer capacitance decreases simultaneously suggesting the formation of an adsorbed layer on the mild steel surface. The inhibition mechanism has been elucidated by a thermodynamic study, which showed that the film was formed by physi-sorption. The adsorption model obeys to the Langmuir adsorption isotherm. The parameters of activation energy were evaluated and discussed.
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Hanini, Karima, Sameh Boudiba, and Merzoug Benahmed. "Reducing Emerging Contaminants Ensuing from Rusting of Marine Steel Installations." In Emerging Contaminants. IntechOpen, 2021. http://dx.doi.org/10.5772/intechopen.95493.

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Marine steel installations are usually subject to biocorrosion due to their immersing in seawater. Biocorrosion-causing microorganisms, such as bacteria and fungi, often form biofilms on materials, inducing chemical changes in these materials and in the surrounding liquid medium. The formed biofilms resulting from this phenomenon are considered as emerging contaminants. In this work, in addition to the realization of the electrodeposition of zinc on a steel in chloride bath with various concentrations of Taxus baccata extracts as additives using a direct courant supply, the study of the corrosion of the obtained substrates was performed in seawater as an aggressive environment. The efficiency against corrosion was evaluated by potentiodynamic polarizations and weight loss measurements. The coated surface morphology was analyzed using brightness meter, thickness meter and adhesion tests. The experimental results showed that all tested extracts performed the quality of the zinc deposits and their efficiency against corrosion indicating that coated samples in the presence of the extracts were more resistant minimizing the emerging contaminants in seawater.
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Conference papers on the topic "Potentiodynamic Measurement"

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Kaewkongka, Tonphong, Jirapong Lim, Noparat Kanjanaprayut, and Siriporn Daopiset. "Corrosion monitoring using acoustic emission and potentiodynamic method." In 2008 IEEE Instrumentation and Measurement Technology Conference - I2MTC 2008. IEEE, 2008. http://dx.doi.org/10.1109/imtc.2008.4547130.

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Petkovsek, Marko, Bostjan Pevec, Ciril Zevnik, and Danijel Voncina. "Potentiodynamic Approach for Determination of Organic Additives Concentration in Electroplating Solutions." In 2006 IEEE Instrumentation and Measurement Technology. IEEE, 2006. http://dx.doi.org/10.1109/imtc.2006.328493.

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Marko Petkovsek. "Potentiodynamic Approach for Determination of Organic Additives Concentration in Electroplating Solutions." In 2006 IEEE Instrumentation and Measurement Technology. IEEE, 2006. http://dx.doi.org/10.1109/imtc.2006.235828.

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Jung, Soyoung, and Thomas M. Devine. "Electrochemical Tests of Corrosion of Magnetic Hard Disks With Overcoats of DLC." In STLE/ASME 2003 International Joint Tribology Conference. ASMEDC, 2003. http://dx.doi.org/10.1115/2003-trib-336.

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Two electrochemical techniques were used to investigate the corrosion of DLC coated magnetic hard disks: (1) potentiodynamic and potentiostatic anodic polarization and (2) electrochemical impedance spectroscopy. The objective was to determine the ability of DC polarization and AC polarization to detect the presence of porosity in the DLC. The results indicate that anodic polarization at high potentials (≈ +1.0V vs SCE) to cause pitting corrosion of the metal layers underneath the DLC might provide a rapid and quantitative estimate of the amount of porosity in the DLC. Measurement of the low fr
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Yamoah, Nana Kwame, Timothy Moses, and Dhananjay Kumar. "Corrosion Behavior of Tricalcium Phosphate Doped With Different Compositions of Silver." In ASME 2015 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 2015. http://dx.doi.org/10.1115/imece2015-51748.

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In this study, magnesium (Mg) disks were coated with β-tricalcium phosphate (β-TCP) doped with different mass percent of silver (Ag) (0 wt%, 1 wt%, 5 wt% and 10 wt%) in an effort to modulate the detrimental osteoimmunomodulatory properties and colonization of bacteria on Mg disk, due to the reported favorable osteoimmunomodulatory properties of β-TCP and antibacterial properties of Ag. This paper describes the growth, characterization and corrosion analyses of β-TCP doped with different compositions of Ag thin film coatings. The phase composition and microstructure analyses were performed usin
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Guilemany, J. M., J. M. De Paco, J. R. Miguel, J. Sanchez, and P. Smith. "Corrosion Resistance HVOF Coatings Based upon TiC+NiTi and (Ti,W) C+Ni." In ITSC 1998, edited by Christian Coddet. ASM International, 1998. http://dx.doi.org/10.31399/asm.cp.itsc1998p0057.

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Abstract The development of new spraying processes has increased the demand for high quality protecive coatings. Many thermal spraying processes have been developed to obtain coatings for a wide spectrum of materials and substrates. The High Velocity Oxygen Fuel (HVOF) process involves lower temperatures and higher velocities than those required by other techniques to obtain high density coatings. It is desirable to know which are the main factors that affect the corrosion behaviour of coated materials. The corrosion behaviour in chloride solution of a 34CrMo4 steel coated with different kinds
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Palomar Pardave, Manuel Eduardo, Sayavur I. Bakhtiyarov, and Ruel A. Overfelt. "Magnesium V-Process Casting: Part II — Electrochemical and SEM Analyses for Corrosion Testing." In ASME 2004 International Mechanical Engineering Congress and Exposition. ASMEDC, 2004. http://dx.doi.org/10.1115/imece2004-60448.

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The corrosion testing of precision sand and V-process cast magnesium specimens was carried out in a typical three-electrode electrochemical cell, where the working electrodes were made with each of the alloy samples. The reference electrode was the saturated calomel electrode (SCE). The counter electrode was a graphite rod, and the electrolyte was a 0.85 M NaCl aqueous solution (pH 7). Two electrochemical methods were used: potentiodynamic scan and Tafel plots. The working electrode potential was controlled with a potentiostatgalvanostat PAR EG&amp;G 273 coupled to a PC running the SoftCorr II
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Tang, X., L. Y. Xu, and Y. Frank Cheng. "A Fundamental Understanding of Erosion-Corrosion of Hydrotransport Pipes in Oil Sands Slurry." In 2008 7th International Pipeline Conference. ASMEDC, 2008. http://dx.doi.org/10.1115/ipc2008-64144.

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Erosion-corrosion (E-C) of X-65 pipe steel was investigated in a simulated oil sand slurry through an impingement jet system. Measurements of weight-loss and potentiodynamic polarization curves combined with optical microscopy observation were performed to determine the synergism of corrosion and erosion in E-C of steel. It was found that passivity of the steel developed in static oil-water emulsion cannot be maintained in the flowing fluid due to the enhanced activity of the steel upon impingement of the emulsion/slurry. The effect of slurry impact angle on E-C of steel is complex, depending
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Gadala, Ibrahim M., and Akram Alfantazi. "Bicarbonate, Temperature, and pH Influences on the Passivation of API-X100 Pipeline Steel in Simulated Groundwater Solutions." In 2014 10th International Pipeline Conference. American Society of Mechanical Engineers, 2014. http://dx.doi.org/10.1115/ipc2014-33180.

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The influence of bicarbonate ion (HCO3−) concentration and related environmental parameters such as pH and temperature on the passivation of API-X100 pipeline steel is the focus of this investigation. NS4 solution simulating groundwater trapped under disbonded coatings at regions where near-neutral stress corrosion cracking (SCC) occurs was used as a reference. Bicarbonate content in the solutions was increased steadily and the critical HCO3− concentration at which passivation becomes evident is found using potentiodynamic polarization sweeps. Multi-step dissolution is observed especially in h
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Dent, A. H., A. J. Horlock, D. G. McCartney, and S. J. Harris. "The Structure and Properties of Two Fe-Cr-B-Based Coatings Sprayed Using HVOF." In ITSC 1997, edited by C. C. Berndt. ASM International, 1997. http://dx.doi.org/10.31399/asm.cp.itsc1997p0917.

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Abstract Two boron-rich Fe/Cr based gas atomised powders (Armacor M and Armacor C) have been thermally sprayed using the HVOF process and the resultant deposits subsequently characterised, using X-ray diffraction, scanning electron microscopy (SEM), plan view transmission electron microscopy (TEM), and microhardness measurements. The wear and corrosion characteristics of the two alloy coatings have also been investigated by three body abrasive wear (utilising cross-sectional TEM to examine the worn surfaces) and potentiodynamic corrosion testing respectively. Results from microstructural analy
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