Browsing №3(111)/2023-Физика by Issue Date

Browsing №3(111)/2023-Физика by Issue Date

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  • Effect of plasma-electrolytic oxidation on mechanical properties of titanium coatings 
    Bayatanova, L.B.; Zhassulankyzy, A.Zh.; Magazov, N.M.; Rakhadilov, B.K.; Muktanova, N.; Uazyrkhanova, G.K. (Karagandy University of the name of acad. E.A. Buketov, 2023)
    The process of plasma electrolytic oxidation (PEO) allows to obtain multifunctional coatings with unique properties, including wear-resistant, corrosion-resistant, heat-resistant, electrical insulating and decorative. Therefore, ...
  • Unveiling the Potential of MnxCo3-xS4 Electrocatalyst in Triiodide Reduction for Dye-sensitized Solar Cells 
    Suleimenova, D.; Tashenov, Ye.; Balanay, M.P.; Baptayev, B. (Karagandy University of the name of acad. E.A. Buketov, 2023)
    The development of a low-cost and high-efficiency Pt-free counter electrode is an important goal to improve the performance of dye-sensitized solar cells. In this study, we successfully synthesized a MnxCo3-xS4-based counter ...
  • Features of hole transport and density of localized states in CuCr1-xMgxO2 and CuCr1-yMgyO2/(MgCr2O4)x-y polycrystalline ceramics 
    Kytin, V.G.; Kupriyanov, E.E.; Apreleva, A.; Kulbachinskii, V.A.; Korsakov, I.E.; Kiseleva, T.Yu.; Ismailov, Zh.T. (Karagandy University of the name of acad. E.A. Buketov, 2023)
    Magnesium doped polycrystalline ceramic samples of cooper chromite (I) with 0.6-4.0 at % Mg content have been synthesized. Phase composition of ceramics has been investigated by X-ray diffraction. Temperature dependencies ...
  • Flow Behavior of Complex-Shaped Particle Mixtures in Rotary Drums: A DEM Study 
    Berkinova, Z.; Golman, B. (Karagandy University of the name of acad. E.A. Buketov, 2023)
    Metal matrix composites hold great potential as functional materials for energy conservation applications. These composites are manufactured using powder metallurgy, which involves the incorporation of fine particles ...
  • Investigation of changes in phase composition and tribological properties of 65G steel during electrolyte-plasma hardening 
    Rakhadilov, B.K.; Bayatanova, L.B.; Satbayeva, Z.A.; Kozhanova, R.S.; Yerbolatova, G.U.; Sakenova, R.Ye. (Karagandy University of the name of acad. E.A. Buketov, 2023)
    This paper presents the results of studies of phase composition and tribological properties of 65G steel, before and after electrolytic-plasma hardening at different regimes. The technology of electrolyte-plasma hardening and ...
  • Thermodynamic properties of titanium-manganite LaСаTiMnO6 
    Kasenov, B.K.; Kasenova, Sh.B.; Sagintaeva, Zh.I.; Baisanov, C.O.; Lu, N.Yu.; Bekturganov, Zh.S.; Zeinidenov, A.K.; Kuanyshbekov, E.E. (Karagandy University of the name of acad. E.A. Buketov, 2023)
    By the method of dynamic calorimetry in the range of 298.15-673 K, the heat capacity of titanium-manganite La„R„pTiMnO6, obtained by solid-phase interaction at 800-1200oC from lanthanum, titanium (II), manganese (III) ...
  • Analysis of aerodynamic characteristics of a two-bladed wind power plant containing combined power elements 
    Tleubergenova, A.Zh.; Dyusembayeva, A.N.; Tanasheva, N.K.; Kyzdarbekova, Sh.S.; Mukhamedrakhim, A.R. (Karagandy University of the name of acad. E.A. Buketov, 2023)
    In this article, the aerodynamic characteristics of a wind turbine of various parameters are studied. For this purpose, an experimental two-cylinder model with fixed blades was made. A schematic diagram of a wind turbine ...
  • Effects of conditions on thе synthesis and properties of Bi-2234 HTSC ceramic produced from the melt 
    Uskenbaev, D.E.; Nogai, A.S.; Uskenbaev, A.D.; Nogai, E.A. (Karagandy University of the name of acad. E.A. Buketov, 2023)
    The article presents the results of a study aimed at obtaining the formation of superconducting phases and the formation of a high texture of particles that affect the current-carrying characteristics in ceramics of ...
  • Characterization of YAG:Ce ceramics with graphene oxide 
    Deulina, D.; Paygin, V.; Alishin, T.; Stepanov, S.; Valiev, D.; Dvilis, E.; Khasanov, O.; Ilela, A. (Karagandy University of the name of acad. E.A. Buketov, 2023)
    Yttrium-aluminum garnet (Y3Al5O12) is an optical material that shows great potential due to its favorable light-emitting and mechanical properties, as well as its chemical stability and thermal resistance. It is commonly ...
  • Analysis of the problems of synthesis of new nanocrystalline chalcogenide materials for thermoelectric generators and sodium-ion batteries 
    Kubenova, M.M.; Kuterbekov, K.A.; Balapanov, M.Kh.; Ishembetov, R.Kh.; Bekmyrza, K.Zh.; Kabyshev, A.M.; Afroze, Zh.; Palymbetov, R.Sh.; Mukhanova, Zh.A; Shukalov, E. (Karagandy University of the name of acad. E.A. Buketov, 2023)
    The paper analyzes the problems of the synthesis of new nanocrystalline chalcogenide materials for thermoelectric generators and sodium-ion batteries. The objectives of the synthesis will determine the best method to use ...
  • Effects of Sm doping on EuB6 
    Bozada, C. (Karagandy University of the name of acad. E.A. Buketov, 2023)
    A solid-state reaction was used to investigate the nanocrystalline particles of Sm-doped EuB6 and their optical, thermionic emission and mechanical properties were investigated. The tapered nanoawls had a length of 3–12 ...
  • Recent UpdateonPerovskite/Organic Tandem Solar Cells 
    Serikova, T.; Bizhanova, G.; Hu, Hanlin; Ng, Annie (Karagandy University of the name of acad. E.A. Buketov, 2023)
    The emergence of multiple-junction photovoltaics (PVs) has presented a remarkable opportunity to overcome the Shockley-Queisser limit of single-junction solar cells. Recently, perovskite solar cells (PSCs) and ...
  • Study of the VAC of the EPCTT process with varying electrode parameters 
    Rakhadilov, B.K.; Berdimuratov, N.E.; Zhurerova, L.G.; Bayatanova, L.B.; Kurbanbekov, Sh.R.; Satbayeva, Z.A. (Karagandy University of the name of acad. E.A. Buketov, 2023)
    Nowadays the treatment of machine parts, instruments is one of the actual topics in the modern world. One of the modern processing method is chemical-thermal treatment of parts, in which there is an increase of hardness ...
  • Formation of targets and investigation of Mn4Si7 coatings produced by magnetron sputtering 
    Igamov, B.D.; Imanova, G.T.; Kamardin, A.I.; Bekpulatov, I.R. (Karagandy University of the name of acad. E.A. Buketov, 2023)
    The morphology, composition, electrical and optical properties of bulk samples and vacuum coatings of Mn4Si7 obtained by magnetron sputtering on a SiO2/Si structure were studied. It is shown that manganese silicide ...
  • Determination of the optimal deflection angle of the sail blade of a wind power plant 
    Tanasheva, N.K.; Burkov, M.A.; Dyusembayeva, A.N.; Suleimenova, S.; Tussupbaeva, A.S.; Kyzdarbekova, Sh.S. (Karagandy University of the name of acad. E.A. Buketov, 2023)
    This article presents the results of studies of a sailing wind power plant at various parameters. For this purpose, a model of a wind power plant controlled by a system of sail blades was developed. Studies of aerodynamic ...
  • Processing of organic waste by electrohydroimpulse method 
    Nussupbekov, B.R.; Duisenbayeva, M.S. (Karagandy University of the name of acad. E.A. Buketov, 2023)
    The article considers the regularities, parameters of technology and installations for electrohydroimpulse extraction of fat from bone mass. To date, the growth of production and increasing its efficiency in industries ...
  • The effect of the CH3NH3PbClxI3-x perovskite layer thickness and grain size on its electrophysical and optical properties 
    Mukametkali, T.M.; Rozhkova, X.S.; Aimukhanov, A.K.; Ilyassov, B.R.; Apshe, K.; Zeinidenov, A.K. (Karagandy University of the name of acad. E.A. Buketov, 2023)
    Lead halide perovskite CH3NH3PbClxI3-x thin films are widely used as photoactive layers in perovskite solar cells. CH3NH3PbClxI3-x is a low band gap semiconductor with a broad absorption spectrum and a high conductivity ...
  • Structure and tribological properties of detonation coatings based on Cr3C2-NiCr after pulse-plasmaine treatment 
    Rakhadilov, B.K.; Kakimzhanov, D.N.; Tyurin, Yu.N.; Kolisnichenko, O.V.; Stepanova, O.A.; Seitkhanova, A.K. (Karagandy University of the name of acad. E.A. Buketov, 2023)
    Cr3C2-NiCr metal-ceramic coatings have found wide application in the protection of machine parts and equipment operating under extreme conditions. In this study, Cr3C2-NiCr based detonation coatings which have been ...
  • Structural and optical properties of carbon nanodots based on citric acid doped with nitrogen atoms 
    Amanzholova, G.; Seliverstova, E.; Ibrayev, N.; Terukov, E.I. (Karagandy University of the name of acad. E.A. Buketov, 2023)
    A study of the luminescent properties of carbon nanodots obtained by microwave and hydrothermal methods of synthesis from citric acid and urea was performed. The resulting nanoparticles were characterized using transmission ...
  • Review of the current state of technology for capacitive deionization of aqueous salt solutions 
    Zakharov, A.; Tukesheva, A.; Haque, Syed Fahad Bin; Ferraris, J.; Zakhidov, A.; Tazhibayeva, T.; Bazarbayeva, T.; Pavlenko, V. (Karagandy University of the name of acad. E.A. Buketov, 2023)
    The availability of clean water at affordable prices is one of the key technological, social, and economic challenges of the 21st century. The increased extraction of groundwater worldwide is leading to the gradual intrusion ...

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