• The influence of the solution of their amount on the process of water splitting by the electrolysis method 

  Kuanyshbekova, A.B.; Serikov, T.M.; Zhanbirbayeva, P.A.; Sadykova, A.E.; Beisembaeva, G.T.; Baltabekov, A.S. (KU Publ., 2022-03-30)

  The article presents the results of an experimental study of the effect of the solution and their concentration on the process of splitting water by electrolysis under the action of a direct electric current using a ...
• The formation of the mixed anions PAsO7 in solid solutions Mg2P2O7 —Mg2As2O7 

  Mazhenov, N.A.; Syzdykova, Z.R. (KU Publ., 2022-03-30)

  The article presents structural features at formation of solid solutions of the isostructural Mg2P2O7 and Mg2As2O7 connections. In these compounds, complex Р2О7 4- anions, As2O2 4- , as well as the formation of complex ...
• Optical band gap energy values in wurtzite InxGa1-xN 

  Inerbaev, T.M.; Matsuoka, T.; Kawazoe, Y. (KU Publ., 2022-03-30)

  The narrow bandgap in InN has been known as a notorious example of local density approximation or generalized gradient approximation (LDA or GGA) calculations to give a metallic state. Various density functional methods ...
• Research of regimes of applying coats by the method of plasma electrolytic oxidation on Ti-6Al-4V 

  Rakhadilov, B.K.; Baizhan, D.R.; Sagdoldina, Zh.B.; Torebek, K. (KU Publ., 2022-03-30)

  In this work, ceramic coatings were formed on Ti6Al4V titanium alloy using a technique of plasma electrolytic oxidation. Plasma electrolytic oxidation was carried out in electrolytes with different chemical compositions and ...
• Preparation of bio-ceramic composite coatings on Ti6Al4V titanium alloy by gas-detonation spraying 

  Baizhan, D.R.; Rakhadilov, B.K.; Zhurerova, L.G.; Torebek, K. (KU Publ., 2022-03-30)

  The paper presents study of a new approach to manufacturing carrier implants with a combination of bioactivity, biocompatibility, and mechanical properties, composite powders of hydroxyapatite and titanium with a mass ...
• Selection of inoculant additives for modifying nickel alloys 

  Eremin, E.N. (KU Publ., 2022-03-30)

  Heat-resistant nickel alloys are widely used in the production of castings for aircraft and industrial gas turbine engines. Structural factors are the main determinants of the performance properties of cast nickel alloys. ...
• Electric pulse method of processing cullet 

  Khassenov, A.K.; Nussupbekov, B.R.; Karabekova, D.Zh.; Bulkairova, G.A.; Shashubai, B.U.; Bolatbekova, M.М. (KU Publ., 2022-03-30)

  The article considers the issue of obtaining a recycling resource during the processing cullet, which harms the environment. During the preparation of raw materials in the household waste recycling stages, the material ...
• Evaluation of the Nurse-Saul method using maturity sensors for concrete strength control 

  Utepov, Ye.B.; Aniskin, A.; Tulebekova, A.S.; Akhazhanov, S.B.; Zharassov, Sh.Zh. (KU Publ., 2022-03-30)

  The article presents the results of experimental studies on the strength of concrete grade B25 brand M350 by direct and indirect methods of control. To conduct tests, 17 cylindrical, 15 small, and 2 large cubic specimens were ...
• Study of aerodynamic parameters of the sail blade 

  Tleubergenova, A.Zh.; Tanasheva, N.K.; Shaimerdenova, K.M.; Minkov, L.L.; Dyusembaeva, A.N.; Uzbergenova, S.Zh. (KU Publ., 2022-03-30)

  This article studies the aerodynamic characteristics of a triangular sail blade of various parameters. For this purpose, we made a triangular sail blade with a dynamically changing surface shape. The airflow velocity varied ...
• Scientific foundations of the movement of components of grain material with an artificially formed distribution of air velocity 

  Stepanenko, S.P.; Kotov, B.І.; Spirin, A.V.; Kucheruk, V.Yu. (KU Publ., 2022-03-30)

  The article examines the study of the separation of grain materials in pneumatic channels with an artificially generated distribution of air velocity in the cross-section channel to determine the rational form and ...
• Pore-scale modelling of fluid flow in porous media using the projection method for incompressible Navier-Stokes equations in irregular domains 

  Akasheva, Zh.K.; Kudaikulov, A.A.; Assilbekov, B.K.; Bolysbek, D.A. (KU Publ., 2022-03-30)

  This paper presents the results of numerical simulation of incompressible viscous flow in porous media, which comprise periodically arranged cylinders. This simulation is based on the numerical solution of the ...
• Reconstruction of cosmological models are inspired by generalization of the Chaplygin gas 

  Tsyba, P.Yu.; Razina, O.V.; Suikimbayeva, N.T. (KU Publ., 2022-03-30)

  This paper considers models arising from the composition of the modified Gauss–Bonnet gravity (the Gauss– Bonnet invariant) and the general relativity (the Ricci scalar) against the background of a flat, homogeneous, and ...
• Intellectual system for automated determination of the quality of natural stones surfaces processing 

  Cherepanska, I.Yu.; Sazonov, A.Yu.; Kalchuk, S.V.; Sokolovskyi, О.F.; Sivaieva, О.S. (KU Publ., 2022-03-30)

  This automation of determination of the quality of natural stone surfaces processing is a relevant problem. It provides an intellectual system for automated determination of the quality of processing surfaces of natural stones ...
• Influence of Detonation Spray Parameters on the Formation of Mechanical and Tribological Properties of Gradient Coatings based on Alumina 

  Kantay, N.; Rakhadilov, B.K.; Paszkowski, M.; Nabioldina, A. (KU Publ., 2022-03-30)

  Using the detonation method, the shaft was filled with a gas mixture of C2H2/O2 from 53 to 68 % and an alumina- based gradient coating was obtained on the surface of the substrate. The microstructure of the coatings was ...
• Development of the algorithm for calculating the optimal molding modes of the BeO slurry using various rheological models 

  Sattinova, Z.K.; Bekenov, T.N.; Assilbekov, B.K.; Ramazanova, G.I.; Dyusenov, K.M. (KU Publ., 2021-12-30)

  This paper presents the results of calculating a mathematical model of the flow and heat transfer of thermoplastic beryllium oxide in a round channel of a molding installation. An algorithm for calculating the system of ...
• Using a user–defined function in Ansys Fluent to implement the energy release profile in model fuel elements taking into account radiation heating 

  Suleimenov, N.A.; Mukhamedov, N.E.; Zhanbolatov, O.M. (KU Publ., 2021-12-30)

  The paper presents a model of an experimental device tested on the complex of impulse graphite reactor of the Branch IAE RSE NNC RK, designed to study the possibility of changing the neutron spectrum of the reactor from ...
• Thermal Unit with Controlled Distribution of Flow Speeds of Processed Raw Materials in Zones of Electrified Modules 

  Nizhegorodov, A.; Gavrilin, A.; Moyzes, B.; Kuvshinov, K. (KU Publ., 2021-12-30)

  The article reviews the possibility of thermal treatment of vermiculite concentrates in thermal units of the modular-launch type after the defects of the units appeared during operation were fixed. It was observed that the ...
• Theoretical aspects of Photoacoustic Signal Generation with Solid Crystals 

  Sarode, A.P.; Mahajan, O.H. (KU Publ., 2021-12-30)

  Today, non-destructive analysis techniques play an important role in industrial applications and scientific, as well as technological research. Photoacoustic method is one of such non-destructive methods in which generation ...
• Study of polyamorphic transformations in the cryomatrix of nitrogen in cryovacuum condensates of water 

  Aldiyarov, A.U.; Beisenov, K.I.; Suiinzhanova, U.P.; Yerezhep, D.E. (KU Publ., 2021-12-30)

  One of the important tasks of modern physics of condensed matter is to establish an unambiguous connection between the conditions of formation and the properties of the resulting solid phase. Its solution will contribute to ...
• Theoretical study of the Ni–C system in the pressure range of 0–100 GPa 

  Abuova, A.U.; Inerbaev, T.M.; Abuova, F.U.; Kaptagay, G.A. (KU Publ., 2021-12-30)

  This work is devoted to the search for stable compounds and structures in the Ni–C system in the pressure range of 0–100 GPa. Based on the density functional theory, a search for stable compounds and structures in the ...

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