Browsing №2(118)/2025-Физика by Issue Date

Browsing №2(118)/2025-Физика by Issue Date

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  • Study of Mn4Si7 Silicide Alloys Produced Under Different Conditions Using an X-ray Diffractometer 
    Igamov, B.D.; Kamardin, A.I.; Nabiev, D.Kh.; Imanova, G.T.; Bekpulatov, I.R.; Turapov, I.Kh.; Norbutaev, N.E. (Karagandy University of the name of academician E.A. Buketov, 2025)
    Mn4Si7 silicide crystals obtained by hot isostatic pressing (HIP) and diffusion methods were studied. As a result of the research, 11 peaks were identified in the Mn4Si7 crystal obtained by the HIP method, and 14 peaks in ...
  • Modeling of Turbulent Non-Isothermal Flow in a Heating Network Pipe 
    Zhapbasbayev, U.K.; Bossinov, D.Zh.; Pahomov, M.A.; Sattinova, Z. (Karagandy University of the name of academician E.A. Buketov, 2025)
    The article presents a mathematical model of turbulent non-isothermal flow of viscoplastic fluid in a pipe with a sudden expansion of the heat network. Heat exchange of non-isothermal flow of viscoplastic fluid with cold ...
  • Non-standard analysis in electrical engineering. Ideal DC inductive circuits with infinitesimal parameters of different orders 
    Katsyv, S.; Kukharchuk, V.; Madyarov, V.; Kucheruk, V.; Kulakov, P.; Нribov, M. (Karagandy University of the name of academician E.A. Buketov, 2025)
    The analysis of DC circuits with ideal inductive elements using standard methods of theoretical electrical engineering is too difficult or even impossible, because when using them, it is often necessary to reveal type ...
  • Study of the Effect of Thermomechanical Treatments on the Property of Beryllium Bronze in Order to Expand Its Application 
    Rakhadilov, B.K.; Kengesbekov, A.B.; Magazov, N.M.; Kusainov, A.A.; Kairbaeva, L.S.; Molbosynov, Y.S. (Karagandy University of the name of academician E.A. Buketov, 2025)
    The article is devoted to the study of the influence of thermomechanical treatments on mechanical and physicochemical properties of beryllium bronze in order to expand its application in modern technologies. This paper ...
  • Simulation of a Stirling Engine with a Reversible Reaction CO + 2H2  CH3OH 
    Sabdenov, K.O.; Smagulov, Zh.K.; Erzada, M.; Zhakatayev, T.A. (Karagandy University of the name of academician E.A. Buketov, 2025)
    Using a simple computer model, the properties of a Stirling engine are studied, where the working substance is a chemically reacting gas with a reversible reaction CO + 2H2  CH3OH. The model takes into account the relaxation ...
  • Aerodynamic optimization of Magnus wind turbine blades using an active deflector 
    Tanasheva, N.K.; Minkov, L.L.; Bakhtybekova, A.R.; Kyzdarbekova, Sh. S.; Potapova, A.A.; Botpaev, N.K. (Karagandy University of the name of academician E.A. Buketov, 2025)
    In this work, the optimization of wind turbines is considered by introducing a cylindrical blade with an active deflector. The use of metal (aluminum) deflector, compared with plastic (polypropylene), significantly increased ...
  • Density functional theory study of azobenzene derivatives as potential materials for wettability switching 
    Adyrbekova, G.; Saidakhmetov, P.; Burganova, R.; Piyanzina, I.; Baiman, G.; Baubekova, G.; Tayurskii, D. (Karagandy University of the name of academician E.A. Buketov, 2025)
    In this study, density functional theory (DFT) is employed to analyze the properties of 16 azobenzene derivatives, assessing their potential as wettability switching materials. Inspired by K. Ichimura’s 2001 report on ...
  • Electrochemical rectifying device based on polymer thin films 
    Akhatova, Zh.Zh.; Ilyassov, B.R.; Seisenbayeva, G.S.; Kambar, D.S.; Aimukhanov, A.K.; Aldasheva, L.S.; Zavgorodniy, A.V. (Karagandy University of the name of academician E.A. Buketov, 2025)
    In this work we study the rectifying behavior of organic electrochemical transistors (OECTs). Despite OECT devices are symmetric devices they display asymmetrical output IV curves at negative and positive drain bias sweep. ...
  • Measurement of ferromagnetic pipe wall thickness by magnetic flux leakage method 
    Goldstein, A.E.; Stryapchev, K.A. (Karagandy University of the name of academician E.A. Buketov, 2025)
    The paper considers the use of the magnetic flux leakage method for measuring the wall thickness of ferromagnetic pipes. The method implies longitudinal magnetization of the test pipe section using a short solenoid and ...
  • The effect of MoSe2 nanoparticles on the properties ZnO electron transport layer of organic solar cell 
    Seisembekova, T.E.; Aimukhanov, A.K.; Zeinidenov, A.K.; Аlexeev, A.M.; Abeuov, D.R. (Bulletin of the Karaganda University. “Physics” Series., 2025)
    This study investigates the impact of MoSe2 nanoparticle doping on the structural, optical, and electrical properties of the ZnO electron transport layer (ETL), as well as its effect on the efficiency of organic solar cells ...

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