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  1. No Access

    Article

    Studying Chemical Composition, Structure, and Mechanical Properties EP648 Alloy Fabricated by Deformation, Lost Wax Casting, and Selective Laser Sintering

    This article analyzes the chemical composition, structure, and mechanical properties of heat resistant nickel alloy, grade EP648, fabricated by various methods: deformation, lost wax casting, and selective las...

    O. G. Ospennikova, P. G. Min, A. M. Rogalev… in Inorganic Materials: Applied Research (2021)

  2. No Access

    Article

    Heat-Resistant Molybdenum Borosilicate Alloys Hardened with Titanium Carbides: Mo–Si–B–TiC (Survey)

    The review article is devoted to high-temperature borosilicate molybdenum alloys reinforced with titanium carbides MoSiBTiC. The article discusses phase diagrams, microstructure, production methods, mechanical...

    I. L. Svetlov, O. G. Ospennikova, M. I. Karpov… in Inorganic Materials: Applied Research (2021)

  3. No Access

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    A Full Factorial Experiment in Development of Model Compositions

    This article analyzes the influence of quantitative constituents of main components of model compositions (reciprocal solvent, polymer, strengthening component, and filler) on their specifications (yield stren...

    I. R. Aslanyan, L. I. Rassokhina, O. G. Ospennikova in Polymer Science, Series D (2020)

  4. No Access

    Article

    Research of Defectoscopic Properties of Powder Compositions for Increasing Efficiency and Reliability of Penetrant Testing of Complex Shaped Parts

    Research has been carried out to assess the defectoscopic properties of various compositions of powder preparations in order to determine whether they can be used as part of a modern Russian set of defectoscop...

    O. G. Ospennikova, I. I. Kudinov… in Russian Journal of Nondestructive Testing (2020)

  5. No Access

    Article

    Evaluation of the Variability of Glass Transition Temperature of Carbon-Fiber-Reinforced Plastic Fabricated by Autoclave Molding

    In this work, temperature fields have been modeled during autoclave molding of VKU-46 carbon-fiber-reinforced plastic. It has been shown that a degree of conversion of 97.2–98.4% is achieved in the center of p...

    P. S. Marakhovskii, O. G. Ospennikova, D. Ya. Barinov… in Polymer Science, Series D (2020)

  6. No Access

    Article

    Effect of Electric Fields on the Structure of an Aluminum Alloy during Magnetohydrodynamic Treatment

    The microstructure of a 1417M alloy after magnetohydrodynamic (MHD) treatment has been studied. An electric field induced in the aluminum alloy melt is shown to cause electric transfer and to homogenize its st...

    O. G. Ospennikova, A. B. Laptev, M. V. Pervukhin… in Russian Metallurgy (Metally) (2019)

  7. No Access

    Article

    X-ray Nondestructive Testing as an Essential Tool during Technology Design and Development of Modern Aircraft Materials

    The X-ray nondestructive testing process is carried out by a system which includes an object of control (OC), source of radiation, detector, and operator. Under interaction of radiation with the OC, its radiat...

    O. G. Ospennikova, E. I. Kosarina, O. A. Krupnina in Inorganic Materials: Applied Research (2019)

  8. No Access

    Article

    Effect of Technological Casting Conditions on the Structure of Single-Crystal Blades Made of a Carbon-Free Nickel Superalloy

    The process of casting carbonless VZhM4 nickel superalloy cooled blades with a single-crystal 〈001〉 structure on UVNK plants is developed. Model blade units with seed parts for the formation of a single-crysta...

    E. M. Visik, E. V. Kolyadov, O. G. Ospennikova… in Russian Metallurgy (Metally) (2018)

  9. No Access

    Article

    Features of Melting Alloys Based on Titanium Nickelide in Inert Ceramic Crucibles

    Features of the structure and phase composition of alloys with a shape memory effect of the Ni–Ti–Nb and Ni–Ti–Nb–Zr systems, melted in graphite and inert ceramic crucibles in a vacuum are considered. Cast met...

    O. G. Ospennikova, A. G. Evgenov, E. B. Chabina, E. V. Filonova… in Metallurgist (2018)

  10. No Access

    Article

    Dam** Capacity of Coated Plane VT6 Titanium Alloy Samples

    The dam** capacity of a VT6 titanium alloy sample is shown to depend on the thickness of a new designed Al–Ni–Y alloy coating during vibrodynamic tests at the first flexural mode resonance frequency. The coa...

    O. G. Ospennikova, S. A. Muboyadzhyan, O. N. Doronin… in Russian Metallurgy (Metally) (2018)

  11. No Access

    Article

    Effect of Annealing of a Pr–Dy–Fe–Co–B Alloy on Its Phase Composition and the Properties of Related Sintered Magnets

    The effect of annealing of a (Pr0.41Ce0.12Dy0.47)13.46(Fe0.64Co0.36)80.3B6.24 alloy at 1000°C on its microstructure and the properties of sintered magnets made of it has been studied. In the annealed state, the c...

    E. N. Kablov, O. G. Ospennikova, E. A. Davydova… in Russian Metallurgy (Metally) (2018)

  12. No Access

    Article

    Methods of Enhancing the Operating Characteristics of Gas-Turbine Blades

    This paper considers the main tendencies of development and ways of introduction of new technological solutions and alloys in the production of industrial gas-turbine unit (GTU) blades and presents a review of...

    O. G. Ospennikova, E. M. Visik, V. V. Gerasimov… in Russian Metallurgy (Metally) (2017)

  13. No Access

    Article

    Production Trial of a New Heat-Resistant Alloy with Low Density with Single-Crystal GTE Blade Casting

    Under conditions of Klimov engineering enterprise, industrial results are obtained for the first time for develo** casting technology for small single-crystal uncooled GTE turbine rotor blades of a new heat...

    E. M. Visik, E. A. Tikhomirova, N. V. Petrushin, O. G. Ospennikova… in Metallurgist (2017)

  14. No Access

    Article

    Phase and structural transformations in heat resistant intermetallide nickel-based alloy

    The paper studies single crystals of heat resistant intermetallide nickel-based alloy, microsegregation alloying elements within dendritic cells. The parameters of the lattices γ′ and γ phases are determined a...

    O. G. Ospennikova, N. V. Petrushin… in Inorganic Materials: Applied Research (2016)

  15. No Access

    Article

    Magnetic noise as the cause of the spontaneous magnetization reversal of RE–TM–B permanent magnets

    The relation between the macroscopic spontaneous magnetization reversal (magnetic viscosity) of (NdDySm)(FeCo)B alloys and the spectral characteristics of magnetic noise, which is caused by the random microsco...

    A. I. Dmitriev, A. D. Talantsev… in Journal of Experimental and Theoretical Ph… (2016)

  16. No Access

    Article

    Effect of samarium impurity on the relaxation of the magnetization of a (NdDy)(FeCo)B alloy

    Small Sm additions (~1–3 at %) have been found to slow down the relaxation of the magnetization in a magnetic field in the (NdDy)(FeCo)B alloy by several times. The effective “freezing” of the spontaneous rela...

    A. I. Dmitriev, V. V. Kucheryaev, E. I. Kunitsyna… in Physics of the Solid State (2016)

  17. No Access

    Article

    Increasing the lifetime of gas-turbine engine nozzle blades using a new monocrystalline alloy

    The article presents the results of experiments to study the creep of an intermetallic monocrystalline alloy used to manufacture nozzle blades. The results serve as a basis for calculating the creep-rupture st...

    S. G. Semenov, L. B. Getsov, A. S. Semenov… in Journal of Machinery Manufacture and Relia… (2016)

  18. No Access

    Article

    Interaction effects of alkaline and acid electrolytes with intermetallic γ’-phase on surface of nickel superalloys

    The effects of interaction between the intermetallic γ’ phase and matrix γ phase based on a nickel solid solution with acidic and alkaline electrolytes at room and high temperatures are studied by high-resolut...

    M. R. Orlov, O. G. Ospennikova, F. N. Karachevtsev… in Inorganic Materials: Applied Research (2016)

  19. No Access

    Article

    Effect of cobalt on the oxidation resistance of Pr(Nd)–Dy–Fe–Co–B materials

    The effect of cobalt on the oxidation resistance of (Nd0.85Dy0.15)16.4(Fe0.89Co0.11)74.4Ti1.3B7.9 and (Pr0.56Dy0.39Sm0.05)14.5(Fe0.75Co0.25)78.8B6.7 alloys has been studied. The storage of magnet blanks made from...

    E. N. Kablov, O. G. Ospennikova, I. I. Rezchikova… in Russian Metallurgy (Metally) (2016)

  20. No Access

    Article

    Competition of single-ion anisotropy of Sm and Dy ions during the spin-reorientation transition in (Nd1–x–y Sm x Dy y )(FeCo)B supermagnets

    It has been found that an increase in the Sm concentration in the range x = 0.05–0.18 in (Nd1‒x‒y Sm x Dy y )(Fe...

    E. N. Kablov, O. G. Ospennikova, V. P. Piskorskii… in Physics of the Solid State (2016)

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