Academic literature on the topic 'Ультразвукове зміцнення'
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Journal articles on the topic "Ультразвукове зміцнення"
Roslyk, Iryna. "НОВІ НАНОКОМПОЗИТИ НА МІДНІЙ ОСНОВІ, АРМОВАНІ ВУГЛЕЦЕВИМИ НАНОТРУБКАМИ." Metallurgicheskaya i gornorudnaya promyshlennost, no. 3 (September 30, 2020): 18–27. http://dx.doi.org/10.34185/0543-5749.2020-3-18-27.
Full textDissertations / Theses on the topic "Ультразвукове зміцнення"
Сторожук, Вадим Васильович. "Аналіз показників ремонтопридатності та підвищення ресурсу вала водяного насоса." Магістерська робота, Хмельницький національний університет, 2021. http://elar.khnu.km.ua/jspui/handle/123456789/11618.
Full textМалахов, Дмитро Сергійович. "Зміцнення поверхні сплаву АМг6 електроіскровим легуванням Cu та ультразвуковою ударною обробкою." Bachelor's thesis, КПІ ім. Ігоря Сікорського, 2019. https://ela.kpi.ua/handle/123456789/29191.
Full textThe object of research is the physical and chemical processes that take place near the electrosurgical doping of copper and ultrasonic shock treatment of the surface of aluminium alloy AMg6. The purpose of the work is the synthesis of composite coatings on the surface of AMg alloy by the electrospray doping of Cu followed by ultrasonic shock treatment. Methods of research - microdyrometric, X-ray and micro-ray diffraction analysis, transdermal electron microscopy, as well as corrosion resistance tests. Practical significance - the scientific results obtained in the work are of practical interest to the mechanical engineering and aviation industry. The results of the research - an effective way to strengthen the surface layer of aluminium alloy AMg6 with the help of combined processing - EIL and UIT. Electrospray doping with copper electrode helps to strengthen the surface due to the formation in the near-surface layer up to 25 microns of intermetallic phases - Al2Cu and Al6Mg4Cu. Ultrasonic shock treatment causes the dispersion of the sub-grains / grain structure, increases the hardness by 70-80 % and promotes the intensification of the mass transfer of the alloying element. The result of the combined treatment is an increase in microhardness (3,5 times) and corrosion resistance of the surface layers of AMg6 alloy as compared to the initial state.
Малахов, Дмитро Сергійович. "Зміцнення поверхні сплаву АМг6 комбінованою високоенергетичною обробкою." Master's thesis, КПІ ім. Ігоря Сікорського, 2021. https://ela.kpi.ua/handle/123456789/41423.
Full textThe object of research - physico-chemical processes that occur as a result of electrospark doping with titanium, tungsten, copper and ultrasonic shock treatment of the surface of the aluminum alloy AMg6. The purpose of the work is the synthesis of composite coatings on the surface of AMg6 alloy by electrospark doping of Ti, W or Cu with subsequent ultrasonic shock treatment. Research methods - microdiurometric, X-ray structural and micro-X-ray spectral analysis, transmission electron microscopy, as well as tests for corrosion resistance. Practical significance - the scientific results obtained in this work are of practical interest for the mechanical engineering and aviation industries. Research results - an effective way to strengthen the surface layer of aluminum alloy AMg6 using a combine processing - EDA and UIT. Electrospark doping helps to strengthen the surface due to the formation of intermetallic phases - Al3Ti, Al18Ti2Mg3, Al12W, Al5W, Al2Cu and Al6Mg4Cu in the near-surface layer up to 25 μm thick. Ultrasonic shock treatment determines the dispersion of the subgrain / grain structure, increases the hardness by 70-80 % and enhances the mass transfer of the alloying element. The result of the combined treatment is an increase in microhardness (up to 3.5 times) and corrosion resistance of the surface layers of the AMg6 alloy compared to the initial state.
Мандрик, О. М. "Удосконалення методів підвищення експлуатаційних характеристик замкових різьбових з'єднань бурильних колон." Thesis, Івано-Франківський національний технічний університет нафти і газу, 1997. http://elar.nung.edu.ua/handle/123456789/3875.
Full textДисертация посвящена вопросам повышения эксплуатационных характеристик замковых резьбовых соединений бурильных колонн и забойных двигателей за счет упрочнения их резьбовых соединений новым прогрессивным методом. Разработана технология и оборудование для упрочнения замковых резьбовых соединений при помощи энергии ультразвуковых колебаний. Спроектированы и изготовлены ультразвуковые концентраторы, рабочие инструменты для упрочнения наружных и внутренних резьбовых поверхностей и определены рациональные режимы основных параметров ультразвуковой обработки (УЗО). Выведены зависимости для определения предельной амплитуды цикла напряжений разных размеров бурильных труб; рациональных значений геометрических параметров рабочего инструмента и двугранного утла между плоскостью симметрии инструмента и плоскостью, перпендикулярной оси детали. Основные результаты работы нашли промышленное внедрение при изготовлении и ремонте утяжеленных бурильных труб на трубных, базах.
The thesis deals with the improvement of drilling shafts and drilling engines using the strenthnins of their threadins joint by new modem methods. The equipment and technology of streng theniny of the key treadins joint are worked out in this thesis by usins the energy of ultrasonic wavs. Ultrasonic concentrators, operation instruments for streng thening of inside and outside treading surfaces are calculated and made and optimum meanings of main characteristics of ultrasonic treatment are determined. We propoze the dependence for determination of limited amplitudes of different loadin for drilling pipes of different dimensions and optimum meanings of geometric characteristics of operation instrument and two sides andle between the area of symmetry of instrument and area which is perpendicular to the axis of detail. The results of thesis are used during the manufacturing and repairing of heavy — weight drill pipes.