Skip to main content

17 Result(s)

within B. S. Lomberg Remove this filter

and

  1. No Access

    Article

    Kinetics of Austenitic Nitriding and Properties of Ni – Co – Cr – W – Ti Alloy

    The kinetics of high-temperature nitriding and changes in the structure and properties of heat-resistant Ni – Co – Cr – W – Ti nickel alloy VZh171 depending on its duration were studied. Short-term pulling and...

    M. V. Akhmedzyanov, S. V. Ovsepyan, A. O. Rodin… in Metal Science and Heat Treatment (2022)

  2. No Access

    Article

    Permanent Joint Stability of Heat-Resistant Deformable Nickel and Cast Intermetallic Alloys Obtained under Superplasticity Conditions: Part 1

    In this paper, we study the welded joints of cast intermetallic single-crystal rhenium-containing alloy VKNA-25 with crystallographic orientation [001] and deformable disk heat-resistant nickel alloy EP975 dep...

    O. A. Bazyleva, V. A. Valitov, E. G. Arginbaeva… in Inorganic Materials: Applied Research (2022)

  3. No Access

    Article

    Features of Deformation of High-Alloy Heat-Resistant Nickel Alloys near the Complete Dissolution Temperature of the Strengthening γ' Phase

    The features of deformation of high-alloy heat-resistant nickel alloys for disks of gas turbine engines of the Ni–Co–Cr–W–Al–Nb–Ti–Mo system (EP962, EK151, and EP975 type) have been studied near the temperatur...

    S. V. Ovsepyan, B. S. Lomberg, M. N. Letnikov… in Inorganic Materials: Applied Research (2021)

  4. No Access

    Article

    Simulation of the Heat Treatment of the Welded Joints in a High-Pressure Compressor

    The state of stress in the welded joints of new nickel and titanium alloys in a high-pressure compressor during heat treatment is simulated. The QForm software package is used to simulate the results of heat t...

    K. A. Kyaramyan, B. S. Lomberg, M. M. Bakradze, D. A. Isaev… in Russian Metallurgy (Metally) (2019)

  5. No Access

    Article

    Development of Ni-Base Superalloy with Operating Temperature up to 800°C for Gas Turbine Disks

    Abstract—The results of development of new nickel-base superalloy having an operating temperature up to 800°C for gas turbine disks have been presented. Structures, mechanical properties, and phase transformation...

    M. M. Bakradze, S. V. Ovsepyan, A. A. Buiakina… in Inorganic Materials: Applied Research (2018)

  6. No Access

    Article

    Development of Superalloy Production at the Electrostal Metallurgical Plant

    Stages of superalloy production development at the Electrostal Metallurgical Plant are reviewed. Dynamics of the increase in stress-rupture strength indices, and also areas for improvement of manufacturing tec...

    I. V. Kabanov, B. S. Lomberg, T. N. Sidorina in Metallurgist (2017)

  7. No Access

    Article

    The Effect of Quenching Temperature on the Structure and Properties of Alloy Ei437B-VD Blades for a Helicopter Gas Turbine Engine

    Results are given for a study of the effect of quenching temperature on macro- and microstructure, and mechanical properties of nickel-based superalloy EI437B-VD. It is shown that in order to improve structure...

    B. S. Lomberg, M. N. Letnikov, I. V. Kabanov, A. N. Chelombit’ko in Metallurgist (2016)

  8. No Access

    Article

    Evolution of the Structure and Phase Composition of Deformable Refractory Nickel Alloys for GTE Discs Upon Complication of Their Alloying

    Variation of the phase composition and structure of deformable refractory nickel alloys upon complication of their alloying is considered starting with the ÉI437B pioneer domestic alloy with heterophase harden...

    E. B. Chabina, E. V. Filonova, B. S. Lomberg… in Metal Science and Heat Treatment (2015)

  9. No Access

    Article

    Structure formation in a nickel superalloy complexly alloyed with lanthanides

    The structure-phase state of a deformable Ni-Co-Cr-Al-Ti-W-Mo-Nb nickel superalloy containing microalloying rare-earth additional (lanthanides La, Pr, Nd) in various combinations is studied by physical metallu...

    E. B. Chabina, E. V. Filonova, B. S. Lomberg, D. V. Zaitsev in Russian Metallurgy (Metally) (2014)

  10. No Access

    Article

    Isothermal Deformation of Heat-Resistant Alloys

    This article reports on the development and industrial use of production processes that employ high-temperature isothermal stam** to make disks for gas-turbine engines (GTEs) and other parts composed of hard...

    O. G. Ospennikova, B. S. Lomberg, N. V. Moiseev, D. V. Kapitanenko in Metallurgist (2014)

  11. No Access

    Article

    Effect of Microalloying Elements on the Structure and Phase Stability and Properties of Heat-Resistant Deformable Alloy (with Long Operating Times)

    Results are presented for a study of the effect of microadditions of rare-earth and rare metals on the structure and phase stability and mechanical properties of a new high-temperature nickel-base alloy for tu...

    B. S. Lomberg, M. M. Bakradze, E. B. Chabina, E. V. Filonova in Metallurgist (2014)

  12. No Access

    Article

    Heat-Resistant Wrought Weldable Alloy for GTE Components with Low Linear Thermal Expansion Coefficient

    Features of the effect of alloying elements on linear thermal expansion coefficient of wrought heat-resistant alloys based on the Ni–Fe system are studied. Short-term and long-term strength at 600°C is simulat...

    S. V. Ovsepyan, B. S. Lomberg, T. I. Grigor’eva, M. M. Bakradze in Metallurgist (2013)

  13. No Access

    Article

    Corrosion-Resistant High-Temperature Alloys for Large Single-Crystal Turbine Blades

    Corrosion-resistant castable high-temperature alloys with properties close to those of alloys with directed structure used for casting vanes of aircraft gas turbine engines and the process of casting of large ...

    V. N. Toloraiya, N. G. Orekhov, B. S. Lomberg in Metal Science and Heat Treatment (2003)

  14. No Access

    Article

    Intermetallic Ni3Al-Base Alloy: a Promising Material for Turbine Blades

    The structure and properties of a castable intermetallic alloy of grade VKNA-4U-mono with single crystal structure at a temperature range of 20 – 1250°C is considered. The effect of long-term heating at 1200°C...

    E. N. Kablov, B. S. Lomberg, V. P. Buntushkin… in Metal Science and Heat Treatment (2002)

  15. No Access

    Article

    High-temperature structural (β+γ) alloys based on NiAl with increased low-temperature plasticity

    K. B. Povarova, N. K. Kazanskaya, B. S. Lomberg, Yu. A. Bondarenko… in Metallurgist (1996)

  16. No Access

    Article

    Calculation of the high-temperature strength of complexly alloyed nickel alloys using equations of the system of nonpolarized ionic radii

    Modern complexly alloyed high-temperature nickel-base alloys contain up to 14 alloying elements. The complex composition ensures fulfillment of strict and often contradictory requirements imposed on the materi...

    S. V. Ovsepyan, B. S. Lomberg, E. V. Baburina in Metal Science and Heat Treatment (1995)

  17. No Access

    Article

    Maraging steels with high strength and plasticity

    Steel 1, with σb = 260−280 kg/mm2, retains high local plasticity even in notched samples, but has a high crack sensitivity.

    A. S. Tarantova, L. M. Pevzner, B. S. Lomberg… in Metal Science and Heat Treatment (1970)