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Статті в журналах з теми "Pulsed electrolysis"
Poláčik, Ján, and Jiří Pospíšil. "Some Aspects of PDC Electrolysis." Technological Engineering 13, no. 1 (October 1, 2016): 33–34. http://dx.doi.org/10.2478/teen-2016-0011.
Повний текст джерелаKim, Jae-Hoon, Chang-Yeol Oh, Ki-Ryong Kim, Jong-Pil Lee, and Tae-Jin Kim. "Electrical Double Layer Mechanism Analysis of PEM Water Electrolysis for Frequency Limitation of Pulsed Currents." Energies 14, no. 22 (November 22, 2021): 7822. http://dx.doi.org/10.3390/en14227822.
Повний текст джерелаRocha, F., Q. de Radiguès, G. Thunis, and J. Proost. "Pulsed water electrolysis: A review." Electrochimica Acta 377 (May 2021): 138052. http://dx.doi.org/10.1016/j.electacta.2021.138052.
Повний текст джерелаGorodyskii, A. V. "Pulsed current electrolysis (in Russian)." Journal of Electroanalytical Chemistry and Interfacial Electrochemistry 302, no. 1-2 (March 1991): 293. http://dx.doi.org/10.1016/0022-0728(91)85050-y.
Повний текст джерелаOsuna, Isaac Aaron Rodriguez, Pablo Cobelli, and Nahuel Olaiz. "Bubble Formation in Pulsed Electric Field Technology May Pose Limitations." Micromachines 13, no. 8 (July 31, 2022): 1234. http://dx.doi.org/10.3390/mi13081234.
Повний текст джерелаShaaban, Aly H. "Water Electrolysis and Pulsed Direct Current." Journal of The Electrochemical Society 140, no. 10 (October 1, 1993): 2863–67. http://dx.doi.org/10.1149/1.2220923.
Повний текст джерелаVed’, M., N. Sakhnenko, I. Yermolenko, G. Yar-Mukhamedova, and R. Atchibayev. "Composition and." Eurasian Chemico-Technological Journal 20, no. 2 (June 30, 2018): 145. http://dx.doi.org/10.18321/ectj697.
Повний текст джерелаBesra, Laxmidhar, Tetsuo Uchikoshi, Tohru Suzuki, and Yoshio Sakka. "Pulsed-DC Electrophoretic Deposition (EPD) of Aqueous Alumina Suspension for Controlling Bubble Incorporation and Deposit Microstructure." Key Engineering Materials 412 (June 2009): 39–44. http://dx.doi.org/10.4028/www.scientific.net/kem.412.39.
Повний текст джерелаZhang, Hua Li, Ji Cai Kuai, and Fei Hu Zhang. "Modeling of Thickness of the Oxide Film in ELID Grinding." Advanced Materials Research 135 (October 2010): 376–81. http://dx.doi.org/10.4028/www.scientific.net/amr.135.376.
Повний текст джерелаTSURU, Yutaka, Katsuyoshi FUKAGAWA, Morio MATSUNAGA, and Kunisuke HOSOKAWA. "Influences of pulsed current electrolysis on zinc electrodeposition." Journal of the Metal Finishing Society of Japan 36, no. 3 (1985): 110–15. http://dx.doi.org/10.4139/sfj1950.36.110.
Повний текст джерелаДисертації з теми "Pulsed electrolysis"
Yagi, Shunsuke. "Surface modification process for high-purity iron and carbon steel by alternating pulsed electrolysis." 京都大学 (Kyoto University), 2007. http://hdl.handle.net/2433/136229.
Повний текст джерелаCherkaoui, Mohammed. "Elaboration par electrolyse en courant pulse de revetements d'alliages ni-cu et ni-mo : etude de leurs proprietes." Paris 6, 1987. http://www.theses.fr/1987PA066306.
Повний текст джерелаWard, Matthew. "Enhanced copper electrodeposition onto printed circuit boards using pulsed current and eductor agitation." Thesis, Loughborough University, 1999. https://dspace.lboro.ac.uk/2134/7476.
Повний текст джерелаLuk, Suet-Fan. "Surface hardening of AISI 1050 steel by pulse electrolysis in aqueous solutions." Thesis, University of Warwick, 1999. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.364579.
Повний текст джерелаMaire, Jean-Michel. "Etude de l'alliage cofecr elabore par electrolyse sous courants pulses." Besançon, 1998. http://www.theses.fr/1998BESA2046.
Повний текст джерелаСачанова, Юлія Іванівна. "Електрохімічне формування покривів сплавами і композитами Fe–Co–Mo(MoOₓ)". Thesis, Національний технічний університет "Харківський політехнічний інститут", 2019. http://repository.kpi.kharkov.ua/handle/KhPI-Press/43993.
Повний текст джерелаThesis for the degree of Candidate of Technical Sciences in the speciality 05.17.03 – Technical Electrochemistry. – National Technical University «Kharkiv Polytechnic Institute» Kharkiv, 2019. The component composition of the electrolyte and the ratio of the concentrations of the alloys forming components in the ferum-cobalt-molybdenum system and the regularities of the complex formation in the presence of citrate, which became the basis for the development of electrolytes for metal deposition and metal oxide coatings are substantiated. It was found that high-quality coatings with a molybdenum content of more than 30 at.% Are formed from electrolytes with a concentration of sodium citrate of 0,4 – 0,5 М and oxometalate of 0,2 М. It is proved that the formation of heteronuclear complexes is a prerequisite for the flexible control of ionic equilibria in solution, the mechanism and overvoltage of electrode reactions, the course of which obeys the laws of mixed kinetics, which is confirmed and determined by the activation energy of the process. The reduction of the molybdate ion to the metal phase occurs by the formation of surface oxides of an intermediate oxidation state. Depending on the completeness of the course of this process, conditions are created for the formation of a metal coating of a ternary alloy or a metal oxide composite, the second phase of which consists of molybdenum oxides in an intermediate oxidation state, that is, is formed directly in the electrolysis process. The reduction of oxometalate can occur in several stages using both the electrochemical and chemical mechanisms, which include hydrogen ad-atoms and atoms that are formed in the cathodic reaction. It is this feature that provides the variability of the cathode process and allows flexible control of the stages, as well as the composition and properties of the product of the technological process. The main factors ensuring variability of the coating composition are polarization modes — galvanostatic and pulsed modes, and amplitude and time parameters of the current. At the same current densities, the use of pulsed electrolysis allows the formation of coatings with a significantly higher molybdenum content. In particular, with a constant pulse duration of 10–20 ms and pauses of 5–20 ms, the composition of the shells is enriched in molybdenum to 30 at.% With a significantly lower oxide content. Such changes in the composition of the coating compared with the stationary regime are due to the chemical reaction of the reduction of intermediate molybdenum oxides by hydrogen atoms as a result of the overflow effect. The higher content of the oxide phase in the composition of tournament alloys formed in the galvanostatic mode allows us to classify them as composites. With the same polarization mode, the parameters depending on the current are determined not only by the content of the components of the alloy or composite, but also by the morphology of the coating surface and the current efficiency. Under the conditions of stationary electrolysis, the efficiency of the alloy is in the range 56−62 %, and when using pulsed electrolysis, the efficiency of the process increases to 61–70 % due to the chemical reaction of the reduction of molybdenum oxides. hydrogen atoms of hydrogen. The dissipated ability of the electrolyte also depends on the current density and is extreme in nature with a maximum of 62% at i = 2.5 A/dm². Dissipation results are consistent with known electrolytes. Composite coatings Fe−Co−MoOₓ and metallic coatings Fe−Co−Mo have a fine-crystalline structure, surface development increases with increasing current density, and the nature and size of crystallites depends on the composition of the coatings and electrolysis conditions. So for Fe48Co40Mo12 coatings obtained by direct current, the average crystallite size is 63 Ǻ, and for Fe43Co39Mo18 coatings obtained in a pulsed mode, the average crystallite size is 56 Ǻ. Depending on the electrodeposition modes, the surface roughness also varies - in the galvanostatic and pulsed modes, the parameter Ra for the alloys is 0,15 and 0,11, respectively, which corresponds to grades 9-10. The synthesized coatings have a range of physico-chemical and physico-mechanical properties with a high level of performance. Thus, corrosion resistance testing shows that the depth of the index (0,018 – 0,02 mm/year) coatings are characterized as 4 points of resistance on a ten-point scale, and ranked according to the density of the corrosion current is "stable" in acidic solutions and "very stable" in neutral and alkaline solutions. Corrosion resistance to the acid solutions increases the presence of molybdenum through the acidic nature of its oxides, and in neutral and alkaline solutions the covers exhibit resistance due to passivation of iron and cobalt. The free energy of the surface of metal coatings and composites is in the range of 118-128 mJ/m², which is almost an order of magnitude lower than the alloys of the component and the surfaces of the Fe−Co−MoOₓ composites lower than the Fe−Co−Mo alloy due to the higher oxygen content in its structure. , causing the composites to be chemically stable. The microhardness of galvanic coatings is in the range of 595–630 kgf/mm² depending on the individual components and is 2,5–3 times higher than for steel. The microhardness of the coatings increases symbatically with an increase in the amount of molybdenum in the alloy and also increases with an increase in this parameter in the integral of current densities. The high adhesion of the coatings to the surface of the steel, resistance to polishing, heating and kink is established. The high electrocatalytic activity of ternary alloys in the reactions of anodic oxidation of low molecular weight alcohols was established, and the magnitude of the peaks of the anodic and cathodic currents in the cyclic voltammogram is even higher than that of the platinum electrode, so galvanic coatings with Fe−Co−Mo alloy can be considered a promising catalytic material for fuel cells. High electrocatalytic activity of the skin was also detected in cathodic reactions of hydrogen evolution from alkaline and acidic media, which is higher as a result of the synergistic effect compared to individual metals. A connection was established between the alloy composition and catalytic properties – a higher molybdenum content usually improves the quality of coatings. At the same time, the exchange current density of the hydrogen evolution reaction on composite coatings in all model solutions is higher than for metal coatings, which is consistent with the results of determining the current efficiency. The coatings have magnetic properties, and the value of the coercive force for Fe—Co−Mo coatings is in the range of 7-10 Oe, which is higher than the value for the Fe−Co alloy (6,5-7,2 Oe). Fe−Co−Mo alloys are "Magnetic materials" and can be used in the production of magnetic information storage elements. The alloy has sensory properties on the individual components of the gas environment and can be used, in particular, as a sensor material of the sensor to determine the maximum hydrogen concentration. Based on kinetic characteristics and technological parameters, software and technological module have been created and a variable technological scheme for applying Fe−Co−Mo(MoOₓ) coatings of controlled composition and predicted physicomechanical and physicochemical properties has been proposed. According to the results of tests and elements of equipment coated with ternary alloys at PJSC "Ukrndikhimmash" and at the Metrological center of military standards of the Armed Forces of Ukraine, a high level of operational characteristics of the synthesized coatings and the effectiveness of the technology for their synthesis have been proved. The research results were introduced into the educational process of the Department of Physical Chemistry NTU "KhPI" and the Military Institute of Tank Troops NTU "KhPI".
Єрмоленко, Ірина Юріївна. "Удосконалення електрохімічного рециклінгу псевдосплавів вольфраму". Thesis, НТУ "ХПІ", 2012. http://repository.kpi.kharkov.ua/handle/KhPI-Press/22265.
Повний текст джерелаRolet, Jason. "Influence de la forme de l'onde de polarisation sur la microstructure et les propriétés de revêtements électrolytiques élaborés à base de chrome trivalent." Thesis, Bourgogne Franche-Comté, 2017. http://www.theses.fr/2017UBFCD010.
Повний текст джерелаThis thesis work is part of an ambitious project handled by IRT M2P, named “Hard Chrome by Trivalent Chromium” which gathers 15 industrials partners but also 2 academic partners. The main objective is to substitute the hexavalent chromium compounds in hard chromium electroplating process before there ban by European instances (REACH, ECHA) in September 2017, excepted for those authorized. As part of this thesis, electrochemical studies were realized on commercial and synthetic baths. Thanks to this studies, a material has been chosen to act as an anode for the making of the trivalent chromium coatings ; furthermore, the utilization conditions of the commercial bath has been optimized. Moreover, another study based on transient curves allows a better comprehension of the behaviour of the trivalent chromium electrolytes regarding pulsed current. This work permitted the elaboration of pulse sequences in the form of an experimental design. The realization and characterization of trivalent chromium coatings as a part of the experimental design show that pulsed current have an effect on several properties of the coatings such as carbon content, crystalline structure, microhardness, surface morphologies an microcracking. Thanks to the analyses of the results from the experimental design, an optimization of pulsed current has been made to obtain optimized pulse sequences. The utilization of those pulse sequences, used alone or combine with some pulse sequences of the experimental design lead to the elaboration of trivalent chromium coatings which properties are adjustables depending on the set parameters of the process. To further optimize the properties of the coatings, the basis of an analysis tool based on local pH measurements are developed; this analysis tool must make it possible to select the most interesting pulse sequences for the realization of trivalent chromium coatings
Every, Hayley A. (Hayley Ann) 1973. "An NMR diffusion study of the transport properties in novel electrolytes." Monash University, Dept. of Materials Engineering, 2001. http://arrow.monash.edu.au/hdl/1959.1/8796.
Повний текст джерелаMays, Thomas Allen. "Low voltage electrolytic capacitor pulse forming inductive network for electric weapons." Thesis, Monterey, Calif. : Springfield, Va. : Naval Postgraduate School ; Available from National Technical Information Service, 2006. http://library.nps.navy.mil/uhtbin/hyperion/06Jun%5FMays.pdf.
Повний текст джерелаКниги з теми "Pulsed electrolysis"
Luk, Suet-Fan. Surface hardening of AISI 1050 steel by pulse electrolysis in aqueous solution: Executive summary. [s.l.]: typescript, 1999.
Знайти повний текст джерелаЧастини книг з теми "Pulsed electrolysis"
Luján, E., H. Schinca, N. Olaiz, S. Urquiza, F. V. Molina, P. Turjanski, and G. Marshall. "Electrolytic Ablation Dose Planning Methodology." In 1st World Congress on Electroporation and Pulsed Electric Fields in Biology, Medicine and Food & Environmental Technologies, 101–4. Singapore: Springer Singapore, 2016. http://dx.doi.org/10.1007/978-981-287-817-5_23.
Повний текст джерелаStraka, M., F. Lisý, and L. Szatmáry. "Electrodeposition of Uranium by Pulse Electrolysis in Molten Fluoride Salts." In Molten Salts Chemistry and Technology, 467–74. Chichester, UK: John Wiley & Sons, Ltd, 2014. http://dx.doi.org/10.1002/9781118448847.ch6h.
Повний текст джерелаAliofkhazraei, M., A. Sabour Rouhaghdam, and H. Alimadadi. "Study of Pulsed Bipolar Nanocrystalline Plasma Electrolytic Carburizing on Nanostructure and Friction Coefficient of Compound Layer." In Friction, Wear and Wear Protection, 637–44. Weinheim, Germany: Wiley-VCH Verlag GmbH & Co. KGaA, 2011. http://dx.doi.org/10.1002/9783527628513.ch83.
Повний текст джерелаZhu, X., N. Nguyen, B. Sun, Z. Li, and P. Zhan. "Phenolic wastewater treatment by pulsed electrolysis with alternative current." In Energy, Environment and Green Building Materials, 105–8. CRC Press, 2015. http://dx.doi.org/10.1201/b18511-24.
Повний текст джерелаHourng, Lih-Wu, Wei-Hua Wu, and Ming-Yuan Lin. "The improvement of water electrolysis efficiency by using acid-alkaline electrolysis with multi-electrode and pulsed current." In Engineering Innovation and Design, 143–47. CRC Press, 2019. http://dx.doi.org/10.1201/9780429019777-29.
Повний текст джерелаVanags, Martins, Janis Kleperis, and Gunars Bajars. "Water Electrolysis with Inductive Voltage Pulses." In Electrolysis. InTech, 2012. http://dx.doi.org/10.5772/52453.
Повний текст джерелаTao, 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. Boca Raton: CRC Press, 2019. http://dx.doi.org/10.1201/9781351045636-140000409.
Повний текст джерелаStępniowski, W. J. "Anodic Oxides: Applications and Trends in Nanofabrication." In Encyclopedia of Aluminum and Its Alloys. Boca Raton: CRC Press, 2019. http://dx.doi.org/10.1201/9781351045636-140000304.
Повний текст джерелаR. Miller, John, and Matthew J. Bird. "Effects of Electrolyte on Redox Potentials." In Redox Chemistry - From Molecules to Energy Storage [Working Title]. IntechOpen, 2022. http://dx.doi.org/10.5772/intechopen.103003.
Повний текст джерелаKublanovsky, Valeriy S., Oksana L. Bersirova, Yulia S. Yapontseva, Tetyana V. Maltseva, Vasyl M. Nikitenko, Eugen A. Babenkov, Sergei V. Devyatkin, et al. "Electrochemical synthesis of nanostructured super-alloys with valuable electrochemical, electrocatalytic and corrosion properties." In NEW FUNCTIONAL SUBSTANCES AND MATERIALS FOR CHEMICAL ENGINEERING, 130–45. PH “Akademperiodyka”, 2021. http://dx.doi.org/10.15407/akademperiodyka.444.130.
Повний текст джерелаТези доповідей конференцій з теми "Pulsed electrolysis"
Albornoz, Matias, Marco Rivera, Roberto Ramirez, Felipe Varas-Concha, and Patrick Wheeler. "Water Splitting Dynamics of High Voltage Pulsed Alkaline Electrolysis." In 2022 IEEE International Conference on Automation/XXV Congress of the Chilean Association of Automatic Control (ICA-ACCA). IEEE, 2022. http://dx.doi.org/10.1109/ica-acca56767.2022.10006326.
Повний текст джерелаRoldan Cuenya, Beatriz. "Selectivity Control in CO2 Electroreduction over Cu Electrocatalysts via Pulsed Electrolysis." In nanoGe Fall Meeting 2021. València: Fundació Scito, 2021. http://dx.doi.org/10.29363/nanoge.nfm.2021.174.
Повний текст джерелаZhang, Xinzheng, Nickolai V. Kukhtarev, Tatiana Kukhtareva, Anatoliy Glushchenko, Jiayi Wang, and Yuriy Garrbovskiy. "Photogalvanic effect for water splitting by pulsed electrolysis enhanced by magnetic fields." In Photonic Fiber and Crystal Devices: Advances in Materials and Innovations in Device Applications XII, edited by Shizhuo Yin and Ruyan Guo. SPIE, 2018. http://dx.doi.org/10.1117/12.2320702.
Повний текст джерелаTaniguchi, Ryoichi, and Takao Yamamoto. "High sensitivity measurement of charged particles emitted during pulsed electrolysis of D2O." In Anomalous nuclear effects in deuterium/solid systems. AIP, 1991. http://dx.doi.org/10.1063/1.40665.
Повний текст джерелаNIE, Rui, Tian-guo LI, Xiao-jun XU, and Shu-li LIU. "Removal of copper ions from flotation wastewater by pulsed electric field enhanced internal micro-electrolysis." In The 2015 International Conference on Materials Engineering and Environmental Science (MEES2015). WORLD SCIENTIFIC, 2016. http://dx.doi.org/10.1142/9789814759984_0012.
Повний текст джерелаLee, Kern, Kyoung-Jae Chung, and Y. S. Hwang. "A New Method to Generate Strong Underwater Shock Waves Using Water Electrolysis in Negative Streamer Pulsed Spark Discharge." In 2018 IEEE International Conference on Plasma Science (ICOPS). IEEE, 2018. http://dx.doi.org/10.1109/icops35962.2018.9575821.
Повний текст джерелаLewandowski, Melanie, Daniel A. Ateya, Ashish A. Shah, and Susan Z. Hua. "Sequential Electrolytic Bubble-Based Micro-Pump Dosing System." In ASME 2003 International Mechanical Engineering Congress and Exposition. ASMEDC, 2003. http://dx.doi.org/10.1115/imece2003-41314.
Повний текст джерелаRisko, Donald G. "Electrolytic Micro Machining Technology." In ASME 2005 International Mechanical Engineering Congress and Exposition. ASMEDC, 2005. http://dx.doi.org/10.1115/imece2005-81451.
Повний текст джерелаTakahashi, A., T. Takeuchi, T. Iida, and M. Watanabe. "Neutron spectra from D2O–Pd cells with pulse electrolysis." In Anomalous nuclear effects in deuterium/solid systems. AIP, 1991. http://dx.doi.org/10.1063/1.40703.
Повний текст джерелаFURNEAUX, JOHN E. "SELECTIVE HEAT-PULSE STUDIES OF POLYMERIC ELECTROLYTES." In Proceedings of the 16th Course of the International School of Atomic and Molecular Spectroscopy. WORLD SCIENTIFIC, 2001. http://dx.doi.org/10.1142/9789812810960_0033.
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