Skip to main content

139 Result(s)

within N. Yu. Tabachkova Remove this filter

previous disabled Page of 7
and

  1. No Access

    Article

    Comparative analysis of the structure and electrical properties of single crystal and ceramic (ZrO2)0.90(Sc2O3)0.09(Yb2O3)0.01 solid electrolyte

    Ceramics with the composition of (ZrO2)0.90(Sc2O3)0.09(Yb2O3)0.01 was obtained by tape casting onto a moving substrate using the original powder obtained by grinding single crystals. The phase composition, crysta...

    D. A. Agarkov, E. A. Agarkova, M. A. Borik… in Journal of Solid State Electrochemistry (2024)

  2. No Access

    Article

    Thermal conductivity of Y2O3-stabilized ZrO2 cubic single crystals: effects of defect structure

    Yttria-stabilized zirconia is one of the most widely used solid electrolyte materials for solid oxide fuel cells (SOFCs) as well as solid oxide electrolysis cells (SOECs). The crystalline, defect structure, an...

    D. A. Agarkov, M. A. Borik, D. S. Katrich… in Journal of Solid State Electrochemistry (2024)

  3. No Access

    Article

    Solid electrolytes based on zirconium dioxide partially stabilized with oxides of yttrium, gadolinium, and samarium

    The phase composition, structure, conductivity, crack resistance, and microhardness of crystals (ZrO2)1-x(R2O3)x, where R = Y, Gd, Sm, and (x = 0.03, 0.04, 0.05) were studied. Crystals were grown by directed crys...

    D. A. Agarkov, M. A. Borik, A. S. Chislov… in Journal of Solid State Electrochemistry (2024)

  4. No Access

    Article

    Effect of the Temperature-Rate Regimes in Electric Pulse Plasma Sintering on Microstructure and Mechanical Properties of Aluminum Oxide: The Role of Sintering Mechanisms

    The temperature and heating rate affecting the shrinkage kinetics are studied for cylindrical workpieces obtained from submicron and fine aluminum oxide powder. The studies involve the powder from three batche...

    M. S. Boldin, A. A. Popov, A. V. Nokhrin… in Inorganic Materials: Applied Research (2024)

  5. No Access

    Article

    Effect of Alternating Bending on Structure, Texture, and Mechanical Properties of Cu–Zn Alloy

    The structure, texture, and mechanical properties of a C27400 brass (63% Cu–37% Zn) after alternating elastic–plastic deformation were studied. A 3-mm thick brass strip after softening annealing was subjected ...

    S. O. Rogachev, A. E. Shelest, M. M. Perkas… in Journal of Materials Engineering and Perfo… (2024)

  6. No Access

    Article

    Study of the Al–Sc Solid Solution Decomposition during Annealing of Strained Al–0.5% Mg–Sc Alloys

    Results of investigations of the kinetics of solid solution decomposition during annealing of fine-grained (FG) Al–0.5% Mg–Sc conductor alloys with different scandium contents are reported. The alloys are prep...

    I. S. Shadrina, A. V. Nokhrin, A. A. Bobrov… in Physics of Metals and Metallography (2023)

  7. No Access

    Article

    Effect of Preliminary Heat Treatment on the Formation of Structure and Mechanical Properties of Brass during Alternating Bending

    Abstract—The influence of preliminarily annealing conditions (650°C, 45 min; 750°C, 30 min) on the microstructure, texture, and mechanical properties of brass L63 (63% Cu–37% Zn) thin sheets (3 mm thick), which f...

    S. O. Rogachev, A. E. Shelest, V. A. Andreev, V. S. Yusupov… in Russian Metallurgy (Metally) (2023)

  8. No Access

    Article

    Spectral-Luminescence Properties of ZrO2–Sc2O3–Tb2O3 Crystals

    Crystals of the concentration series ZrO2–(8–10) mol % Sc2O3–(1–2) mol % Tb2O3 were grown by the method of directional crystallization of the melt from a cold container. Analysis of the spectral-luminescence char...

    S. Kh. Batygov, M. A. Borik, A. V. Kulebyakin, N. A. Larina… in Optics and Spectroscopy (2023)

  9. No Access

    Article

    Electropulse (Spark) Plasma Sintering of Ultrafine-Grained WC–Al2O3 Ceramics

    The sintering mechanisms of WC–Al2O3 nanopowder compositions with different contents of al-umina particles (1, 3, and 5 wt %) have been studied. The samples of WC–Al2O3 ceramics are obtained by electropulse (spar...

    E. A. Lantsev, A. V. Nokhrin, M. S. Boldin… in Inorganic Materials: Applied Research (2023)

  10. No Access

    Article

    Dynamic Strength of a Fine-Grained Alumina Ceramic Obtained by Spark Plasma Sintering

    Dynamic compressive tests of alumina samples with different grain sizes obtained by spark plasma sintering (SPS) of submicron- and micron-sized α-Al2O3 powders have been performed. The effect of heating rate (Vh)...

    N. V. Melekhin, M. S. Boldin, A. A. Popov… in Inorganic Materials: Applied Research (2023)

  11. No Access

    Article

    Effect of Thermomechanical Treatment on the Micro-hardness and Crystallization Behavior of an Amorphous Zr65.5Ni16Cu8.5Al10 Alloy

    This work studied the influence of thermomechanical treatment on the mechanical properties, structure, and crystallization of the Zr65.5Ni16Cu8.5Al10 metallic glass alloy. It established that thermomechanical tre...

    Ali Akbarpour, M. S. Parkhomenko, A. M. Khalil… in Metals and Materials International (2023)

  12. No Access

    Article

    Effect of Equal-Channel Angular Pressing and Subsequent Aging on the Structure and Mechanical Properties of Al–Mg2Si Alloys with Transition Metal Additions

    The effect of equal-channel angular pressing (ECAP) at 150°C and subsequent aging on the structure and strength characteristics of Al–Mg2Si alloys with scandium and joint (Sc + Zr) and (Sc + Hf) additions is stud...

    O. V. Rybal’chenko, N. S. Martynenko, G. V. Rybal’chenko… in Russian Metallurgy (Metally) (2023)

  13. No Access

    Article

    Strength and Relaxation and Corrosion Resistance of Ultrafine-Grained Austenitic 08Kh18N10T Steel Produced by ECAP: I. Microstructure and Strength

    The microstructure and mechanical properties (at room and elevated temperatures) of ultrafine-grained (UFG) 08Kh18N10T steel fabricated by equal-channel angular pressing (ECAP) at temperatures of 150 and 450°C...

    V. I. Kopylov, V. N. Chuvil’deev, A. V. Nokhrin… in Russian Metallurgy (Metally) (2023)

  14. No Access

    Article

    The Effect of High-Pressure Torsion on the Structure and Mechanical Properties of the Al–Ca–Cu Alloy

    To improve the strength-to-plasticity balance for Al–6% Ca–8% Cu (wt %), high-pressure torsion (HPT) and subsequent annealing are used. The structure of the cast alloy mainly consists of two [(Al) + AlCaCu] an...

    S. O. Rogachev, E. A. Naumova, N. Yu. Tabachkova… in Physics of Metals and Metallography (2023)

  15. No Access

    Article

    Preparation of Ultrafine-Grained WC–ZrO2 Ceramics by Spark Plasma Sintering

    WC–(1, 3, 5)% ZrO2 ceramics have been produced by spark plasma sintering (SPS). WC–ZrO2 powder mixtures have been prepared by ultrasonic homogenization and stirring of WC nanopowder and submicron t-ZrO2 powder. T...

    E. A. Lantsev, A. V. Nokhrin, M. S. Boldin, K. E. Smetanina… in Inorganic Materials (2023)

  16. No Access

    Article

    The Microstructure and Conductivity of Copper–Aluminum Composites Prepared by Rotary Swaging

    Electron microscopy is used to study the evolution of microstructure of copper–aluminum composites, which takes place as the degree of reduction upon rotary swaging increases, and their conductivity is measure...

    S. O. Rogachev, R. V. Sundeev, V. A. Andreev… in Physics of Metals and Metallography (2022)

  17. No Access

    Article

    Effect of Equal-Channel Angular Pressing on the Structure and Properties of Fe–Mn–C Alloys for Biomedical Application

    The possibility of producing alloys, which are characterized by high degradation rate and used for manufacturing biodegradable implants, is studied on Fe–Mn–C alloys subjected to equal-channel angular pressing...

    O. V. Rybal’chenko, N. S. Martynenko, N. Yu. Anisimova… in Russian Metallurgy (Metally) (2022)

  18. No Access

    Article

    Microstructure of Ultrafine-Grained Al2O3–ZrO2 Ceramics Produced by Two-Step Spark Plasma Sintering

    We have studied the effect of monoclinic ZrO2 additions (1.5, 5, and 10 vol %) on the shrinkage kinetics of submicron α-Al2O3 powder. Ceramic samples were prepared by two-step spark plasma sintering (SPS). It has...

    M. S. Boldin, A. A. Popov, G. V. Shcherbak, A. A. Murashov… in Inorganic Materials (2022)

  19. No Access

    Article

    Interaction of Calcium and Strontium Carbonates with KF Solutions

    The conversion of powdery MCO3 (M = Ca or Sr) to the metal fluoride by reacting it with potassium fluoride in solution was studied. The chosen reaction conditions produce single-phase calcium fluoride and stronti...

    P. P. Fedorov, A. A. Luginina, N. Yu. Tabachkova… in Russian Journal of Inorganic Chemistry (2022)

  20. No Access

    Article

    Investigation of the Effect of a Small Addition of ZrO2 on the Density and Growth of Grains of Fine-Grained Aluminum Oxide

    The effect of an additive of 0.5 wt % of zirconium oxide on the kinetics of electropulse plasma sintering (EPS) of submicron and micron α-Al2O3 powders. Al2O3–0.5% ZrO2 compositions were obtained by mixing Al2O3 ...

    M. S. Boldin, A. A. Popov, A. A. Murashov, N. V. Sakharov… in Technical Physics (2022)

previous disabled Page of 7