• Some technological aspects of cleaning pipes of heat exchangers from solid scale deposits 

  Nussupbekov, B.R.; Sakipova, S.E.; Ospanova, D.A.; Kutum, B.B.; Shaimerdenova, K.M.; Bekturganov, Zh.S. (Karagandy University of the name of acad. E.A. Buketov, 2022)

  This article discusses possible solutions to one of the problems associated with the low efficiency of existing thermal power plants. These factors are due to both the depreciation of equipment and the lack of any effective ...
• Finite element modeling of heat propagation of a complete rod of constant cross-section 

  Kenzhegulov, B.Z.; Kenzhegulova, S.B.; Alibiyev, D.B.; Kazhikenova, A.Sh. (Karagandy University of the name of acad. E.A. Buketov, 2022)

  In this paper, the definition of the temperature distribution field for a rod made of heat-resistant alloy EI48 is introduced. The authors consider for the study a complete rod of circular cross-section of radius R, of ...
• Influence of modification of the cast metal structure by solid phase particles on the nucleation of crystallization centers and their stability 

  Eremin, E.N. (Karagandy University of the name of acad. E.A. Buketov, 2022)

  The inoculation method has wide possibilities for improving the mechanical and operational properties of cast metal, which makes it possible to create artificial centers of crystallization due to the direct introduction ...
• Resistance evaluation of electrical insulating polymer materials used in flexible cables to operational impact 

  Leonov, A.; Soldatenko, T. (Karagandy University of the name of acad. E.A. Buketov, 2022)

  The article presents the test results of polymer material properties taking into account the possibility of their application for flexible cables insulation. The main types of cable constructions and their operation features ...
• The frequency of current fluctuations in two-valley semiconductors in an external electric and strong magnetic (μH>c) fields 

  Mammadova, G.M. (Karagandy University of the name of acad. E.A. Buketov, 2022)

  Boltzmann's kinetic equations have not been used to date to study nonequilibrium phenomena in semiconductors, and therefore, to obtain analytical expressions for the oscillation frequency inside the semiconductor and the ...
• Non-standard analysis in electrical engineering. Transient analysis in second-order electrical circuits with violation of switching laws 

  Katsyv, S.; Kukharchuk, V.; Madyarov, V.; Holodiuk, V.; Kucheruk, V.; Kulakov, P.; Нribov, M. (Karagandy University of the name of acad. E.A. Buketov, 2022)

  For the first time, the authors proposed the use of the mathematical apparatus of non-standard analysis to solve certain non-trivial problems of theoretical electrical engineering. It was established that the axiomatics ...
• Development of the wiring diagram of the device based on the LoRa module RAK3172 

  Makhanov, K.M.; Kurmanaliyev, N.B.; Musepov, S.B.; Naptalov, A.K.; Kenzhalieva, K.Z. (Karagandy University of the name of acad. E.A. Buketov, 2022)

  The paper presents the results of the development of circuitry of electronic device for the acquisition and transmission of telemetry data. The purpose of this work is to design and develop circuitry of the device for data ...
• Investigation of the Characteristics of Materials with the Ruddlesden-Popper Structure for Solid Oxide Fuel Cells 

  Kuterbekov, K.A.; Bekmyrza, K.Zh.; Kabyshev, A.M.; Kubenova, M.M.; Aidarbekov, N.K.; Nurkenov, S.A. (Karagandy University of the name of acad. E.A. Buketov, 2022)

  This article presents the results of a study of the characteristics of materials based on lanthanum nickelate La2Ni1-xCoxO4+δ (0≤x≤0.3) and Pr2NiO4+δ. Their crystal structure and interaction with YSZ and GDC electrolyte ...
• Formation of TiN coatings by air plasma spraying 

  Kengesbekov, A.B.; Rakhadilov, B.K.; Zhurerova, L.G.; Uazyrkhanova, G.K.; Kambarov, Ye.Ye. (Karagandy University of the name of acad. E.A. Buketov, 2022)

  Titanium nitride (TiN) coatings were obtained on the surface of 12Kh18N10T steel by air plasma spraying (APS) of TiN powders using an arc plasmatron made by the authors. The plasmatron has a node of circular input and ...
• Photocatalytic activity of the TIO2/Ag/rGO nanocomposite 

  Serikov, T.M.; Zhanbirbayeva, P.A.; Baltabekov, A.S.; Kuanyshbekova, A.B. (Karagandy University of the name of acad. E.A. Buketov, 2022)

  The paper presents the results of a study of the photocatalytic activity of films formed by titanium dioxide nanorods doped with silver nanoparticles and reduced graphene oxide. The obtained nanocomposite materials were ...
• Plasmon effect on triplet-singlet energy transfer in the dye-doped Langmuir-Blodgett films 

  Temirbayeva, D.; Ibrayev, N.; Seliverstova, E.; Kudinova, M.; Ishchenko, A. (Karagandy University of the name of acad. E.A. Buketov, 2022)

  The effect of silver plasmonic nanoparticles on triplet-singlet energy transfer in the donor-acceptor pair of organic dyes was studied. Layered dye films were prepared on the surface of glass and island silver films using ...
• The use of a cluster-associate pattern for calculation of melt viscosity 

  Kazhikenova, A.Zh.; Alibiyev, D.B.; Tentekbayeva, Zh.M.; Smailova, A.S.; Orazbekova, R.A.; Kauymbek, I.S. (Karagandy University of the name of acad. E.A. Buketov, 2022)

  The liquid state of the substance is the most complex for theoretical description. Modern ideas about the liquid and its viscosity are reduced to the following: in the structure of the liquid, the spatial arrangement of ...
• Influence of vacuum on diffusion of moisture inside seeds of cereals 

  Shvidia, V.O.; Stepanenko, S.P.; Kotov, B.I.; Spirin, A.V.; Kucheruk, V.Yu. (Karagandy University of the name of acad. E.A. Buketov, 2022)

  The article solves the problem of thermal injury of seeds of grain crops during drying, which are capillaryporous bodies. It is hypothesized that the use of a vacuum in the drying chamber reduces the risk of thermal stress. ...
• Investigation of the characteristics of an indirect plasma torch 

  Kengesbekov, A.B.; Sagdoldina, Zh.B.; Buitkenov, D.B.; Ocheredko, I.A.; Abdulina, S.A.; Torebek, K. (Karagandy University of the name of acad. E.A. Buketov, 2022)

  The main task of creating plasma technologies is to improve the operation parameters of its main element - the plasma torch, which is achieved by designing and constructing its main nodes. The paper analyzes the principles ...
• On nonclassical boundary conditions for the contact of thin interlayers with different physical and mechanical properties on wave propagation in anisotropic media 

  Ispulov, N.A.; Qadir, Abdul; Zhumabekov, A.Zh.; Kurmanov, A.A.; Dosumbekov, K.R. (Karagandy University of the name of acad. E.A. Buketov, 2022)

  Wave processes are intensively studied in various fields of physics: electrodynamics, plasma physics, radiophysics, acoustics, hydrodynamics, etc. Along with the study of electromagnetic and elastic wave processes, the ...
• Improvement of tribological properties of detonation carbosilicide coatings with subsequent pulsed-plasma treatment 

  Sagdoldina, Zh.B.; Rakhadilov, B.K.; Buitkenov, D.B.; Zhurerova, L.G.; Kenesbekov, A.B. (Karagandy University of the name of acad. E.A. Buketov, 2022)

  This work considers the results of research of mechanical and tribological properties of surface layer of Ti3SiC2 coatings after exposure to pulsed-plasma energy flows. Varying of technological parameters of pulsed-plasma ...
• Mechanical and thermal degradation properties of Isotactic Polypropylene Composites with Cloisite15A and Cloisite20A 

  Berdinazarov, Q.N.; Khakberdiev, E.O.; Normurodov, N.F.; Ashurov, N.R. (Karagandy University of the name of acad. E.A. Buketov, 2022)

  This work studies the influence of maleic anhydride grafted polypropylene (PP-g-MA) content on thermal and mechanical properties of polypropylene (PP) composites with two types of clays, differing modifier density in the ...
• Analysis of velocity and pressure vector distribution fields in a three-dimensional plane around a wind power plant 

  Bakhtybekova, A.R.; Tanasheva, N.K.; Shuyushbayeva, N.N.; Minkov, L.L.; Botpaev, N.K. (Karagandy University of the name of acad. E.A. Buketov, 2022)

  To date, there has been an increase in demand for electric energy obtained from clean renewable energy sources. One of them is wind power. Based on this, the development and research of new types of efficient wind turbines ...
• Obtaining functional-gradient Ti-HA coatings by detonation spraying 

  Sagdoldina, Zh.B.; Baizhan, D.R.; Kambarov, Y.Y.; Torebek, K. (Karagandy University of the name of acad. E.A. Buketov, 2022)

  Functional-gradient titanium/hydroxyapatite (TiHA) coatings were obtained using detonation spraying technology to improve the structure and mechanical properties. To obtain functional-gradient coatings, pulsed energy ...
• Comparison of electrochemical characteristics of NiCo2O4 and NiCo2S4 nanostructures for supercapacitors 

  Markhabayeva, A.A.; Baidilda, M.B.; Nurbolat, Sh.T.; Kalkozova, Zh.K.; Nemkayeva, R.R.; Abdullin, Kh.A. (Karagandy University of the name of acad. E.A. Buketov, 2022)

  This paper presents the results on the synthesis and study of the properties of NiCo2O4 and NiCo2S4 nanostructures obtained by hydrothermal synthesis for their use as supercapacitor electrodes. A method is developed for ...

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