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Academic literature on the topic 'Композиційні електрохімічні покриття'
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Journal articles on the topic "Композиційні електрохімічні покриття"
Габ, Ангеліна Іванівна, Дмитро Борисович Шахнін, Віктор Володимирович Малишев, Тетяна Миколаївна Нестеренко, Володислав Ростиславович Румянцев, and Ольга Русланівна Бережна. "КОМПОЗИЦІЙНІ ЕЛЕКТРОХІМІЧНІ ПОКРИТТЯ НА ОСНОВІ НІКЕЛЮ: ОДЕРЖАННЯ, СТРУКТУРА, ВЛАСТИВОСТІ (ОГЛЯД)." Scientific Journal "Metallurgy", no. 2 (February 22, 2022): 44–55. http://dx.doi.org/10.26661/2071-3789-2021-2-06.
Full textГаб, Ангеліна Іванівна, Віктор Володимирович Малишев, Дмитро Борисович Шахнін, Юрій Володимирович Куріс, Олексій Геннадієвич Кириченко, Оксана Сергіївна Воденнікова, and Роман Миколайович Воляр. "КОМПОЗИЦІЙНІ ЕЛЕКТРОХІМІЧНІ ПОКРИТТЯ НА ОСНОВІ ХРОМУ, МІДІ, ЦИНКУ, ЗАЛІЗА, ОЛОВА, БЛАГОРОДНИХ МЕТАЛІВ: ОДЕРЖАННЯ, СТРУКТУРА, ВЛАСТИВОСТІ (ОГЛЯД)." Scientific Journal "Metallurgy", no. 2 (February 22, 2022): 56–74. http://dx.doi.org/10.26661/2071-3789-2021-2-07.
Full textНенастіна, Т., М. Ведь, М. Сахненко, С. Зюбанова, and І. Черепньов. "Електродні матеріали для водневої енергетики." Науковий журнал «Інженерія природокористування», no. 1(15) (October 26, 2020): 6–12. http://dx.doi.org/10.37700/enm.2020.1(15).6-12.
Full textDissertations / Theses on the topic "Композиційні електрохімічні покриття"
Овчаренко, Ольга Олександрівна. "Композиційні електрохімічні покриття на основі міді та нікелю, модифіковані ультрадисперсними частинками." Thesis, НТУ "ХПІ", 2016. http://repository.kpi.kharkov.ua/handle/KhPI-Press/22725.
Full textThesis for granting the Degree of Candidate of Technical sciences in specialty 05.17.03 – Technical Electrochemistry. – National Technical University "Kharkiv Polytechnic Institute". Kharkiv, 2016. Dissertation is devoted to development of the technology of composite electrochemical coatings based on copper and nickel, reinforced nanoscale aluminium. The method of chemical dispersion to produce a hydrosol of corundum Al2O3 is proposed. Electrochemical processes regularities of the copper and nickel composite coatings deposition have established. The influence of a dispersed phase concentration in electrolytes-suspensions on the physico-mechanical properties of materials, such as microhardness, tensile strength and yield strength, has detected. It has shown the resulting composites have higher strength at sufficiently low concentrations in the Al₂O₃-electrolyte (1-2 g/dm³) compared with samples obtained by the introduction of the coarse-dispersion aluminium electrolyte. The influence of the corundum content on the composition and morphology of coatings has been found experimentally. The electron microscopy results detects to a continuation of a crystal lattice. The results of atomic force microscopy have allowed to determine the crystallite size and evaluate the topography of the surface. The flowchart of the electrochemical formation of Cu-Al₂O₃ and Ni-Al₂O₃ composites are proposed.
Овчаренко, Ольга Олександрівна. "Композиційні електрохімічні покриття на основі міді та нікелю, модифіковані ультрадисперсними частинками." Thesis, НТУ "ХПІ", 2016. http://repository.kpi.kharkov.ua/handle/KhPI-Press/22724.
Full textThesis for granting the Degree of Candidate of Technical sciences in specialty 05.17.03 – Technical Electrochemistry. – National Technical University "Kharkiv Polytechnic Institute". Kharkiv, 2016. Dissertation is devoted to development of the technology of composite electrochemical coatings based on copper and nickel, reinforced nanoscale aluminium. The method of chemical dispersion to produce a hydrosol of corundum Al2O3 is proposed. Electrochemical processes regularities of the copper and nickel composite coatings deposition have established. The influence of a dispersed phase concentration in electrolytes-suspensions on the physico-mechanical properties of materials, such as microhardness, tensile strength and yield strength, has detected. It has shown the resulting composites have higher strength at sufficiently low concentrations in the Al₂O₃-electrolyte (1-2 g/dm³) compared with samples obtained by the introduction of the coarse-dispersion aluminium electrolyte. The influence of the corundum content on the composition and morphology of coatings has been found experimentally. The electron microscopy results detects to a continuation of a crystal lattice. The results of atomic force microscopy have allowed to determine the crystallite size and evaluate the topography of the surface. The flowchart of the electrochemical formation of Cu-Al₂O₃ and Ni-Al₂O₃ composites are proposed.
Овчаренко, Ольга Олександрівна, Микола Дмитрович Сахненко, and Марина Віталіївна Ведь. "Електросинтез та фізико-механічні властивості наноструктурованих фольг." Thesis, Фізико-хімічний інститут ім О. В. Богатського НАН України, 2014. http://repository.kpi.kharkov.ua/handle/KhPI-Press/34656.
Full textОвчаренко, Ольга Олександрівна, Микола Дмитрович Сахненко, and Марина Віталіївна Ведь. "Функціональні властивості композиційних покриттів та фольг Ni-Al₂O₃." Thesis, Національний технічний університет "Харківський політехнічний інститут", 2016. http://repository.kpi.kharkov.ua/handle/KhPI-Press/48777.
Full textШтефан, Вікторія Володимирівна. "Електрохімічні процеси в технології функціональних молібден- та вольфрамвмісних покриттів." Thesis, Національний технічний університет "Харківський політехнічний інститут", 2018. http://repository.kpi.kharkov.ua/handle/KhPI-Press/41358.
Full textThesis for granting the Degree of Doctor of Technical sciences in speciality 05.17.03 – Technical Electrochemistry. – National Technical University "Kharkiv Politechnical Institute", 2019. The dissertation is devoted to the development of scientific principles of electro-chemical processes in the technology of functional molybdenum and tungsten-containing coatings. The hypothesis of the possibility of controlling the nature of electrochemical processes, with the participation of molybdenum (VI) ions and tungsten (VI) associated with the achievements in the study of the state of the forms of their ions in aqueous solutions is formed and experimentally proved. The influence of the nature of molybdenum oxyanion on the kinetics of cathode processes in complex electrolytes within a wide range of pH: ammonium pyrophosphate (pH> 7) and ammonia-trilonate (pH <7) is proved. The understanding of the controlled influence with the form of molybdenum oxoanions on the polarization of the cathode process for the change of the limiting stage is developed. It has been confirmed that the cathode processes in the precipitation of the Co-Mo alloy include the restoration of molybdenum oxoanions due to not only the electrochemical stage but with the participation of oxi-dation-reduction reactions in which the reduction products are those of combined electrode reactions - cobalt and adsorbed hydrogen. The influence of the electrolytes composition and electrolysis parameters on functional properties of coatings (corrosion resistance, microhardness, catalytic activity in the reaction of CO conversion and electrochemical hydrogen release) is determined. The compositions of electrolytes are treated experimentally to create conversion coatings on silver surfaces and D16 alloy. It is proved that the change of pH in the electrolyte of the anode-oxide coating on the D16 alloy changes the form of oxoanions and increases the corrosion re-sistance of the system. It is established that with the thiosulfate concentration in-crease, the silver potential moves toward negative values due to the formation of [Ag(S2O3)n](2n+1)-, which allows the process of oxidation-reduction reactions involv-ing tungsten and silver polyanions. The use of a silver surface tester on the basis of tungstate is 2 times more efficient than a chromate-based passivator. A catalyst is obtained for the Ti|TiOx·WOp·CeOy·ZrOz·CuOn composition, which is characterized by high conversion activity of CO (up to 95% at 420 °C). Anodic oxide coatings on OT4-0 containing molybdenum compounds exhibit suppressed conductivity and heat resistance of the anode layer. The oxide coatings formed from the molybdenum-containing electrolyte on a steel 08Х18Н10 have an electrical resistance of 2.6·1010…3.6·1010 Ω. The effectiveness of scientific study is proved by the positive results of laboratory and industrial testing and implementation.
Штефан, Вікторія Володимирівна. "Електрохімічні процеси в технології функціональних молібден- та вольфрамвмісних покриттів." Thesis, Національний технічний університет "Харківський політехнічний інститут", 2019. http://repository.kpi.kharkov.ua/handle/KhPI-Press/41356.
Full textThesis for granting the Degree of Doctor of Technical sciences in speciality 05.17.03 – Technical Electrochemistry. – National Technical University "Kharkiv Politechnical Institute", 2019. The dissertation is devoted to the development of scientific principles of electro-chemical processes in the technology of functional molybdenum and tungsten-containing coatings. The hypothesis of the possibility of controlling the nature of electrochemical processes, with the participation of molybdenum (VI) ions and tungsten (VI) associated with the achievements in the study of the state of the forms of their ions in aqueous solutions is formed and experimentally proved. The influence of the nature of molybdenum oxyanion on the kinetics of cathode processes in complex electrolytes within a wide range of pH: ammonium pyrophosphate (pH> 7) and ammonia-trilonate (pH <7) is proved. The understanding of the controlled influence with the form of molybdenum oxoanions on the polarization of the cathode process for the change of the limiting stage is developed. It has been confirmed that the cathode processes in the precipitation of the Co-Mo alloy include the restoration of molybdenum oxoanions due to not only the electrochemical stage but with the participation of oxi-dation-reduction reactions in which the reduction products are those of combined electrode reactions - cobalt and adsorbed hydrogen. The influence of the electrolytes composition and electrolysis parameters on functional properties of coatings (corrosion resistance, microhardness, catalytic activity in the reaction of CO conversion and electrochemical hydrogen release) is determined. The compositions of electrolytes are treated experimentally to create conversion coatings on silver surfaces and D16 alloy. It is proved that the change of pH in the electrolyte of the anode-oxide coating on the D16 alloy changes the form of oxoanions and increases the corrosion re-sistance of the system. It is established that with the thiosulfate concentration in-crease, the silver potential moves toward negative values due to the formation of [Ag(S2O3)n](2n+1)-, which allows the process of oxidation-reduction reactions involv-ing tungsten and silver polyanions. The use of a silver surface tester on the basis of tungstate is 2 times more efficient than a chromate-based passivator. A catalyst is obtained for the Ti|TiOx·WOp·CeOy·ZrOz·CuOn composition, which is characterized by high conversion activity of CO (up to 95% at 420 °C). Anodic oxide coatings on OT4-0 containing molybdenum compounds exhibit suppressed conductivity and heat resistance of the anode layer. The oxide coatings formed from the molybdenum-containing electrolyte on a steel 08Х18Н10 have an electrical resistance of 2.6·1010…3.6·1010 Ω. The effectiveness of scientific study is proved by the positive results of laboratory and industrial testing and implementation.
Мельник, О. "Композиційне електрохімічне покриття." Thesis, Київський національний університет технологій та дизайну, 2019. https://er.knutd.edu.ua/handle/123456789/14018.
Full textШтефан, Вікторія Володимирівна, Анастасія Сергіївна Єпіфанова, and Мирослава Михайлівна Метеньканич. "Рентгенофазовий аналіз композиційного покриття Со-Мо-ТіО₂." Thesis, Національний технічний університет "Харківський політехнічний інститут", 2019. http://repository.kpi.kharkov.ua/handle/KhPI-Press/41564.
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