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Information × Registration Number 0217U006726, 0115U002279 , R & D reports Title Development of scientific foundations for generating connections of metallopolymeric composite materials and managing their wear-frictional and fatigue properties popup.stage_title Head Volchenko Gmytro Oleksandrovych, Registration Date 18-12-2017 Organization Ivano-Frankivsk National Technical University of Oil and Gas popup.description2 During the research work the theoretical and experimental regularities of the change in the origin and development of microcracks on the working surface of the rim of the brake pulley were established, depending on the variable gradients of mechanical and temperature stresses from their concentrators and the kinetics of the fractal approach, which allows predicting the life of the brake pulley at the stage of its design. The control of thermal modes of friction pairs of brakes is realized through their tribological properties of materials. The method of determining the coefficient of dissipation of the pumping rod column oscillations on the basis of the dynamograms obtained during the research was developed. The application of the developed method for analyzing the results obtained for a specific arrangement of the pumping rod column of the dissipation coefficients makes it possible to more accurately assess the dynamical behavior of the pumping rod columns and establish optimal modes of operation of the borehole pumping unit to prevent resonance under actual operating conditions. The compound of the polymer-composite body of the rod with a steel head is proposed. The method of weakening of hydrogen influence, which allows to significantly improve the wear resistance of the working surfaces of the friction pairs of the tape-block brake of the drill winch by reducing their hydrogen wear in the zone of friction interaction, and with open friction pairs - by creating the main and the residual electric field due to additional friction pairs. Modified friction pairs have been created consisting of cylindrical inserts from a semiconductor boron material introduced at the level of the working surface of the rim of the pulley of the belt shoe brake, which changes the type of conductivity from n- to p- at a temperature of 550 °C, which made it possible to create an additional electric field in the structure of the "metal -polymer", and thus reduce the energy load of the tribosystem of the brake in general. Product Description popup.authors Івасюк Микола Павлович Атавін Юрій Олександрович Боднар Оксана Іванівна Букатюк Роман Миколайович Витвицький Василь Степанович Возний Андрій Володимирович Вольченко Діана Анастасівна Вольченко Дмитро Олександрович Вольченко Олександр Іванович Жирик Степан Романович Журавльов Дмитро Юрійович Катрич Василь Дмитрович Копей Богдан Володимирович Копей Володимир Богданович Лисканич Михайло Васильович Скрипник Василь Степанович Стадник Олег Богданович Юй Шуанжуй popup.nrat_date 2020-04-02 Close