Academic literature on the topic 'Сплави заліза і кобальту'
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Journal articles on the topic "Сплави заліза і кобальту"
Semen’ko, М. P., М. І. Zakharenko, Yu А. Kunitsky, V. А. Makara, and А. P. Shpak. "Electrical Resistance and Magnetoresistance of Amorphous Metallic Alloys Based on Iron and Cobalt." Uspehi Fiziki Metallov 10, no. 2 (June 1, 2009): 131–205. http://dx.doi.org/10.15407/ufm.10.02.131.
Full textХарламов, Ю. О., О. В. Романченко, and А. В. Міцик. "Особливості отримання оксидних покриттів детонаційно-газовим напиленням." ВІСНИК СХІДНОУКРАЇНСЬКОГО НАЦІОНАЛЬНОГО УНІВЕРСИТЕТУ імені Володимира Даля, no. 4(260) (March 10, 2020): 129–40. http://dx.doi.org/10.33216/1998-7927-2020-260-4-129-140.
Full textGlyva, V., O. Panova, O. Tykhenko, L. Levchenko, and V. Kolumbet. "ДОСЛІДЖЕННЯ АМПЛІТУДНО-ЧАСТОТНИХ ЗАЛЕЖНОСТЕЙ ЗАХИСНИХ ВЛАСТИВОСТЕЙ МАГНІТНИХ ЕКРАНІВ НА ОСНОВІ АМОРФНИХ СПЛАВІВ." Системи управління, навігації та зв’язку. Збірник наукових праць 6, no. 58 (December 28, 2019): 102–5. http://dx.doi.org/10.26906/sunz.2019.6.102.
Full textKurylo, M. M., I. V. Virshylo, and S. K. Kosharna. "Індекси доступності критичної мінеральної сировини для “зеленої” енергетики." Мінеральні ресурси України, no. 4 (December 28, 2021): 16–20. http://dx.doi.org/10.31996/mru.2021.4.16-20.
Full textГупал, В. В., and І. Р. Чорнявська. "Вміст важких металів у ґрунтах захисних лісових насаджень призалізничних територій." Вісник Полтавської державної аграрної академії, no. 4 (December 28, 2018): 123–30. http://dx.doi.org/10.31210/visnyk2018.04.18.
Full textPalyhata, M. V., L. S. Babinets, Z. I. Sabat, and I. O. Borovyk. "АНАЛІЗ ДІЄВОСТІ ПРОГРАМИ РЕАБІЛІТАЦІЇ ХВОРИХ НА ХРОНІЧНИЙ ПАНКРЕАТИТ ІЗ СУПУТНЬОЮ АНЕМІЄЮ НА АМБУЛАТОРНОМУ РІВНІ ДОПОМОГИ." Здобутки клінічної і експериментальної медицини, no. 2 (August 2, 2018). http://dx.doi.org/10.11603/1811-2471.2018.v0.i2.8564.
Full textDissertations / Theses on the topic "Сплави заліза і кобальту"
Єрмоленко, Ірина Юріївна, Марина Віталіївна Ведь, and Микола Дмитрович Сахненко. "Морфологія і магнітні характеристики покриттів тернарними сплавами заліза і кобальту з молібденом і вольфрамом." Thesis, Національний університет харчових технологій, 2016. http://repository.kpi.kharkov.ua/handle/KhPI-Press/34625.
Full textЛагдан, Інна Володимирівна, Микола Дмитрович Сахненко, Марина Віталіївна Ведь, and Ірина Юріївна Єрмоленко. "Електролітичні покриття сплавом залізо-кобальт-вольфрам." Thesis, Національний технічний університет України "Київський політехнічний інститут", 2016. http://repository.kpi.kharkov.ua/handle/KhPI-Press/34636.
Full textЄрмоленко, Ірина Юріївна. "Наукові основи електрохімічної технології покриттів тернарними сплавами заліза з тугоплавкими металами." Thesis, НТУ "ХПІ", 2018. http://repository.kpi.kharkov.ua/handle/KhPI-Press/37459.
Full textDissertation for the Degree of the Doctor of Engineering Sciences in the Specialty of 05.17.03 – Technical Electrochemistry. – National Technical University "Kharkіv Polytechnic Institute", Kharkіv, 2018. This doctoral thesis is devoted to the development of scientific basics for electrochemical technologies used for the application of coatings consisting of ternary iron and cobalt alloys combined with molybdenum and tungsten of improved functionality. The hypothesis as for the competitive reduction of iron ternary metals with refractory components preconditioned by the mutual interaction of thermal-&-dynamic and crystal-&-chemical characteristics of the alloy-forming metals and the kinetic parameters of cathode process and it was proved experimentally. The kinetic regularities of the co-reduction in Fe³⁺ ‒ MoO₄²⁻ ‒ WO₄²⁻ ‒ Cit³⁻, Fe³⁺ ‒ Со²+ ‒ WO₄²⁻ (MoO₄²⁻) ‒ Cit³⁻ systems have been defined and the mechanism of deposition of ternary Fe-Mo-W, Fe-Co-W (Mo) alloys has been substantiated. The influence of composition of electrolytes and modes of electrolysis on elemental, phase composition and surface morphology of the obtained coatings has been deter-mined. The possibility of controlling the composition and morphology of multicomponent coatings on the basis of iron and cobalt by varying the composition of the electrolyte (the ratio of component concentrations, the ratio of ligand and complexing agent), and by used of galvanostatic and pulsed electrolysis regimes with a ranging of current density 2.5 ‒ 6.5 A/dm², and durations pulse/pause 5 ‒ 10 / 5 ‒ 20 ms, has been proved. The electrolytes and the deposition modes were developed that provide the deposition of Fe-Co-W coatings with the Co content of 32 to 47 аt. %, and W of 5 to 13 аt. %, and Fe-Mo-W coatings with the tungsten content of 5 to 11 at. %, and the molybdenum contents of 26 to 32 at. %, and the Fe-Сo-Мо coatings with the Co content ranging from 26 to 48 at. %, and Mo content ranging from 15 to 31 at. %, and the current efficiency ranging from 58 to 82 %. The variation schemes of electrochemical processes were suggested and these allow for the deposition of Fe-Mo-W and Fe-Co-W(Мо) coatings depending on their practical application. The perspective directions of the application of the obtained materials according to the results of experimental researches and tests of functional properties in model environments and technological conditions are determined.
Єрмоленко, Ірина Юріївна. "Наукові основи електрохімічної технології покриттів тернарними сплавами заліза з тугоплавкими металами." Thesis, НТУ "ХПІ", 2018. http://repository.kpi.kharkov.ua/handle/KhPI-Press/37455.
Full textDissertation for the Degree of the Doctor of Engineering Sciences in the Specialty of 05.17.03 – Technical Electrochemistry. – National Technical University "Kharkіv Polytechnic Institute", Kharkіv, 2018. This doctoral thesis is devoted to the development of scientific basics for electrochemical technologies used for the application of coatings consisting of ternary iron and cobalt alloys combined with molybdenum and tungsten of improved functionality. The hypothesis as for the competitive reduction of iron ternary metals with refractory components preconditioned by the mutual interaction of thermal-&-dynamic and crystal-&-chemical characteristics of the alloy-forming metals and the kinetic parameters of cathode process and it was proved experimentally. The kinetic regularities of the co-reduction in Fe³⁺ ‒ MoO₄²⁻ ‒ WO₄²⁻ ‒ Cit³⁻, Fe³⁺ ‒ Со²+ ‒ WO₄²⁻ (MoO₄²⁻) ‒ Cit³⁻ systems have been defined and the mechanism of deposition of ternary Fe-Mo-W, Fe-Co-W (Mo) alloys has been substantiated. The influence of composition of electrolytes and modes of electrolysis on elemental, phase composition and surface morphology of the obtained coatings has been deter-mined. The possibility of controlling the composition and morphology of multicomponent coatings on the basis of iron and cobalt by varying the composition of the electrolyte (the ratio of component concentrations, the ratio of ligand and complexing agent), and by used of galvanostatic and pulsed electrolysis regimes with a ranging of current density 2.5 ‒ 6.5 A/dm², and durations pulse/pause 5 ‒ 10 / 5 ‒ 20 ms, has been proved. The electrolytes and the deposition modes were developed that provide the deposition of Fe-Co-W coatings with the Co content of 32 to 47 аt. %, and W of 5 to 13 аt. %, and Fe-Mo-W coatings with the tungsten content of 5 to 11 at. %, and the molybdenum contents of 26 to 32 at. %, and the Fe-Сo-Мо coatings with the Co content ranging from 26 to 48 at. %, and Mo content ranging from 15 to 31 at. %, and the current efficiency ranging from 58 to 82 %. The variation schemes of electrochemical processes were suggested and these allow for the deposition of Fe-Mo-W and Fe-Co-W(Мо) coatings depending on their practical application. The perspective directions of the application of the obtained materials according to the results of experimental researches and tests of functional properties in model environments and technological conditions are determined.
Лагдан, Інна Володимирівна, Микола Дмитрович Сахненко, Марина Віталіївна Ведь, and Ірина Юріївна Єрмоленко. "Електролітичні покриття сплавом залізо-кобальт-вольфрам." Thesis, Національний технічний університет "Харківський політехнічний інститут", 2017. http://repository.kpi.kharkov.ua/handle/KhPI-Press/41690.
Full textКрасовська, Л. А., and Борис Іванович Байрачний. "Дослідження процесу електрохімічного отримання сплаву Fe-Cо." Thesis, НТУ "ХПІ", 2007. http://repository.kpi.kharkov.ua/handle/KhPI-Press/20619.
Full textКаракуркчі, Ганна Володимирівна, Марина Віталіївна Ведь, Ірина Юріївна Єрмоленко, Микола Дмитрович Сахненко, and Юлія Іванівна Сачанова. "Функціональні електролітичні покриття заліза та кобальту з тугоплавкими металами." Thesis, Фізико-механічний інститут ім. Г. В. Карпенка НАН України, 2015. http://repository.kpi.kharkov.ua/handle/KhPI-Press/23063.
Full textThe effect of electrolysis modes on the composition and current efficiency for multicomponent electrolytic coatings Fe and Co with Mo and W, deposited from the citrate bath based on Fe (III). It was established that galvanic binary and ternary alloys are Xray amorphous coatings and characterized by improved microhardness, wear and corrosion resistance.
Сьомкіна, Олена Володимирівна. "Удосконалення електрохімічного осадження функціональних покрить міддю на сплави заліза та алюмінію." Thesis, Національний технічний університет "Харківський політехнічний інститут", 2018. http://repository.kpi.kharkov.ua/handle/KhPI-Press/39104.
Full textThesis for the degree of candidate of technical sciences in specialty 05.17.03 – technical electrochemistry. – National Technical University "Kharkov Polytechnic Institute", Kharkiv, 2018. The thesis is devoted to the improvement of the technological process of applying copper coatings to products made of alloys of iron and aluminum, which are intended for electrical purposes. The kinetics and mechanism of the reduction of the copper hydroxotartrate complex are studied. It is found that the cathodic process includes delayed stage of electron transfer and chemical dissociation stage of the complex ion. The composition of the electrolyte for copper deposition has been developed, which ensures the deposition of coatings with good adhesion to the electronegative base. The resulting solution is environmentally safe and stable for long-term use. The effect of electrolysis parameters on the morphology and quality of the coatings was studied. In order to improve the adhesion of the copper deposit to parts made of aluminum alloys, it is necessary to create an oxide film having a developed porous surface, which is specified by the conditions of its formation. The corrosion and electrical characteristics of the oxides formed are revealed. It is determined that the addition of the fluoride ion (as activating impurity to the electrolyte for copper plating) promotes a more even distribution of the metal over the surface of the alloys.
Сьомкіна, Олена Володимирівна. "Удосконалення електрохімічного осадження функціональних покрить міддю на сплави заліза та алюмінію." Thesis, Національний технічний університет "Харківський політехнічний інститут", 2018. http://repository.kpi.kharkov.ua/handle/KhPI-Press/39049.
Full textThesis for the degree of candidate of technical sciences in specialty 05.17.03 – technical electrochemistry. – National Technical University "Kharkov Polytechnic Institute", Kharkiv, 2018. The thesis is devoted to the improvement of the technological process of applying copper coatings to products made of alloys of iron and aluminum, which are intended for electrical purposes. The kinetics and mechanism of the reduction of the copper hydroxotartrate complex are studied. It is found that the cathodic process includes delayed stage of electron transfer and chemical dissociation stage of the complex ion. The composition of the electrolyte for copper deposition has been developed, which ensures the deposition of coatings with good adhesion to the electronegative base. The resulting solution is environmentally safe and stable for long-term use. The effect of electrolysis parameters on the morphology and quality of the coatings was studied. In order to improve the adhesion of the copper deposit to parts made of aluminum alloys, it is necessary to create an oxide film having a developed porous surface, which is specified by the conditions of its formation. The corrosion and electrical characteristics of the oxides formed are revealed. It is determined that the addition of the fluoride ion (as activating impurity to the electrolyte for copper plating) promotes a more even distribution of the metal over the surface of the alloys.
Дудецький, Д. П., and Д. М. Кондрахова. "Кристалічна структура і фазовий склад плівкових феромагнітних матеріалів на основі заліза і кобальту." Thesis, Видавництво СумДУ, 2008. http://essuir.sumdu.edu.ua/handle/123456789/4339.
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