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  • Application of the Modified Genetic Algorithm for Optimization of Plasma Coatings Grinding Process 
    Tonkonogyi, Vladimir; Dašić, Predrag; Rybak, Olga; Lysenko, Tetiana (Springer, Cham, 2020)
    The problem of defining optimal conditions for grinding plasma coatings may be considered as multi-objective optimization problem with a system of bounding inequalities that contain surface roughness, temperature, local ...
  • Carbonization and CrushabIlIty of Structured Sand-Sodlum-Silicate Mixtures 
    Solonenko, Liudmyla; Солоненко, Людмила Ігорівна; Солоненко, Людмила Игоревна (Національний технічний університет «Дніпровська політехніка», м. Дніпро., 2020)
    Purpose. To identify the regularities of kinetics of carbonization process in thin layers of solidified sodium­silicate solution and to describe the mechanism of changes in surface strength of structured sand­sodium­silicate ...
  • Conditions for the existence of basic solutions of linear multivalued differential equations 
    Komleva, Tetyana; Plotnikov, Andriy; Plotnikova, Lilia; Плотнікова, Лілія Іванівна; Плотникова, Лилия Ивановна; Skripnik, Natalia; Комлєва, Тетяна; Плотніков, Андрій; Скрипник, Наталія (Springer, 2021)
    In this paper, we discusses various definitions and properties of the derivative of a set-valued mapping. Also, we consider a linear set-valued differential equation and investigate the problem of existence of solutions ...
  • Contact heat transfer of a cutting diamond wheel with a boundary layerof air 
    Bespalova, А.; Беспалова, А.; Faizulyna, O.; Файзулина, O.; Lebedev, Volodimir; Лебедєв, Володимир Георгійович; Лебедев, Владимир Георгиевич; Frolenkova, Olga; Фроленкова, Ольга Вікторівна; Фроленкова, Ольга Викторовна; Chumachenko, Tatiana; Чумаченко, Тетяна Валеріївна; Чумаченко, Татьяна Валерьевна (IOP Publishing, 2021-07)
    Cutting of natural and artificial building materials is most often carried out with diamond cutting wheels on a metal base at cutting speeds of about 50-80 m/s. The intensity of the cutting process causes a significant ...
  • Cutting Stone Building Materials and Ceramic Tiles with Diamond Disc 
    Bezpalova, A.; Lebedev, V.; Tonkonogyi, V.; Morozov, Y.; Frolenkova, O. (Springer, Cham, 2020)
    During the repair and restoration of buildings, ceramic tiles and blocks of Al2O3 and ZrO2 are often cut. At present diamond abrasive discs are widely used for these purposes. The cutting process is accompanied by a ...
  • Design of a set of nonlinear control systems of the ARC PVD ion-plasma installation 
    Kirkopulo, Kateryna; Tonkonogyi, Vladimir; Stopakevych, Oleksii; Stopakevych, Andrii (2018)
    Control systems over the set of technological processes of the installation for ion-plasma application of coatings on metal cutting tools are developed. The purpose of the development is the need to improve the quality and ...
  • . Design of a set of nonlinear control systems of the arc PVD ion¬plasma installation 
    Kirkopulo, Kateryna; Tonkonogyi, Vladimir; Stopakevych, Oleksii; Stopakevych, Andrii (2018)
    Розроблено комплекс моделей динаміки та нелінійних систем управління всіма етапами іонно-плазмового нанесення покриттів на металорізальний інструмент. Імітаційне моделювання розроблених систем управління показало високу ...
  • The design of responsible details of an axial piston hydraulic machine improving 
    Nikolenko, Illia; Khomyak, Yurii; Zheglova, Viktoriia; Николенко, Илья Викторович; Хомяк, Юрий Мефодиевич; Жеглова, Виктория Михайловна; Ніколенко, Ілля Вікторович; Хомяк, Юрій Мефодійович (IOP Conference Series: Earth and Environmental Scienc, 2019-12)
    Methods of improving the designs of the most complex details of the axial piston hydraulic machine (APHM), cylinder block (CB) and face distributor (FD) are proposed in order to increase their ...
  • Development of the method of direct temperature measurement for gear cutting of cylindrical gears by hob milling 
    Sovilj-Nikić, S.; Sovilj, B.; Ješic, D.; Blanuša, V.; Tonkonogyi, V.; Bovnegra, L. (2018)
    The improvement of the gear cutting process by hob milling is also significant for the producers of gears as well as for the producers of hob milling tools. Due to the complexity of the process, the high values of the ...
  • Endurance limit of the axial-piston hydraulic machine cylinder block 
    Жеглова, Вікторія Михайлівна; Zheglova, Victoria; Khomiak, Yuriy; Kivakov, Oleksandr; Medvedev, Stanislav; Nikolenko, Ilya (DIAGNOSTYKA, 2020)
    The fatigue resistance of the cylinder block (CB) of an axial-piston hydraulic machine (APHM) made of tin bronze CuSn12 has been investigated. Fatigue tests of smooth and notched standard samples were performed ...
  • Endurance limit of the axial-piston hydraulic machine cylinder block 
    Жеглова, Вікторія Михайлівна; Хомяк, Юрій Мефодійович; Жеглова, Виктория Михайловна; Хомяк, Юрий Мефодиевич; Khomiak, Yurii; Zheglovа, Viktoriia (DIAGNOSTYKA,, 2020-01-21)
    The fatigue resistance of the cylinder block (CB) of an axial-piston hydraulic machine (APHM) made of tin bronze CuSn12 has been investigated. Fatigue tests of smooth and notched standard samples were performed and fatigue ...
  • Experimental and Analytical Study of CBN Grinding of Welded Martensitic Aging Steel. 
    Lebedev, V.; Tonkonogyi, V.; Chumachenko, T.; Klymenko, N.; Frolenkova, O. (Springer, Cham, 2020)
    Martensitic aging steels (Marging steels—MS) are high-alloyed low-carbon (0.03% C) structural steels based on the Fe–Ni and Fe–Cr–Ni systems, additionally doped with cobalt, molybdenumtitaniumetc. The article presents the ...
  • Experimental Study of the Process of Borazon Grinding of Thermal Barrier Coating of ZrO 
    Lebedev, V.; Tonkonogyi, V.; Vaysman, V.; Frolenkova, O.; Chumachenko, T (Springer, 2020-01)
    When grinding thermo-barrier sprayed coatings, there is always a potential dan-ger of damage due to cutting forces. It is also necessary to take into account grinding contact temperatures, the thermal field of which can ...
  • Gear-Grinding Temperature Modeling and Simulation 
    Lishchenko, Natalia; Larshin, Vasily (Springer, Cham, 2020)
    New trends in the manufacture of gears are associated with the use of new gear-grinding technologies. Discontinuous profile gear grinding by a profile wheel, compared to the continuous generating gear grinding by a grinding ...
  • Harmonization of the EU and Ukrainian Normative Documentation: Case Study on Determination of Barium Content in Mineral Waters to Develop Quality and Safety Criteria 
    Kysylevska, Аlоnа; Кисилевська, Альона Юріївна; Prokopovych, Ihor; Прокопович, Ігор Валентинович; Oborskyi, Hennadii; Оборський, Геннадій Олександрович; Babov, Konstantin; Бабов, Костянтин Дмитрович; Arabadji, Mykhailo; Арабаджи, Михайло В'ячеславович (Springer Nature Switzerland AG, 2020)
    The article presents the results of a study on the development of a criterion for the quality and safety of barium content in mineral waters in order to harmonize regulatory documents of the European Union and Ukraine. To ...
  • Heating rate of granular inorganic materials by microwave radiation 
    Solonenko, L. I.; Bilyi, O.Р.; Repiakh, S. I. ; Kimstach, T.V.; Uzlov, K. I.  (Національний технічний університет «Дніпровська політехніка», м. Дніпро., 2020)
    Purpose. Determining heating rate of granular materials of inorganic origin used for manufacturing foundry molds and rods in the field of ultra-high frequency radiation, dependence of the heating rate of materials on the ...
  • Improving the Performance Properties of Abrasive Tools at the Stage of Their Operation 
    Tonkonogyi, Vladimir; Sidelnykova, Tetiana; Dašić, Predrag; Yakimov, Alexey; Bovnegra, Liubov (Springer, Cham, 2020)
    Grinding performance largely depends on the durability of the abrasive tool. Developed and tested solid lubricant for impregnating the working surface of the grinding wheel, which increases its cutting ability and, as a ...
  • Increase of Performance of Grinding by Plate Circles 
    Tonkonogyi, Vladimir; Yakimov, Alexey; Bovnegra, Liubov (Springer, Cham, 2019)
    A method is proposed for increasing the grinding efficiency of gear wheels by two disk wheels. The possibility of increasing grinding capacity on machines working in two circles by the method of bending without reducing ...
  • Increasing efficiency of plasma hardening by local cooling of surface by air with negative temperature 
    Bespalova, А.; Lebedev, V.; Frolenkova, O.; Knysh, O.; Dashkovskaya, O.; Fayzulina, O. (ЧАСТНАЯ КОМПАНИЯ "ТЕХНОЛОГИЧЕСКИЙ ЦЕНТР", 2019-08)
    Інтервал мартенситного перетворення деяких доевтектоїдних, всіх евтектоїдних і всіх заевтектоідних сталей захоплює в значній мірі область негативних температур. З огляду на те, що операція плазмової гарту здійснюється в ...
  • Investigation and analysis of the possibility of diffusionless phase transformations in the surface layer of a part under the action of grinding temperatures. 
    Bezpalova, Ala; Lebedev, Volodimir; Лебедєв, Володимир Георгійович; Klymenko, Nataliia; Клименко, Наталія Миколаївна; Chumachenko, Tetiana; Чумаченко, Тетяна Валеріївна; Uryadnikova, Inga (Харьков: [б. и.], 2018)
    Дослiджено та проаналiзовано можли-вiсть бездифузiйних фазових перетворень в поверхневому шарi шлiфованої деталi пiд дiєю миттєвої температури шлiфування. Це важ-ливо, тому що фазовi Feα-Feγ перетворення, якi можуть мати ...