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  1. No Access

    Article

    On the Plasma Spraying of Silicide Coatings to Protect Zirconium Alloys from Oxidation

    The work is devoted to the experimental study of the possibility to apply a protective silicide coating on an alloy based on zirconium (E110) by atmospheric plasma spraying. Coatings based on the binary eutect...

    I. B. Gnesin, D. V. Prokhorov, N. I. Gnesina… in Journal of Surface Investigation: X-ray, S… (2023)

  2. No Access

    Article

    Evolution of Defects during Cold Rolling of Low-Alloy Molybdenum Alloys

    This experimental work briefly describes the technology of multiple electron-beam melting to produce low-alloy molybdenum alloys with other carbide-forming elements and carbon. Two new alloys described here al...

    B. A. Gnesin, M. I. Karpov, I. M. Aristova, I. B. Gnesin… in Russian Metallurgy (Metally) (2023)

  3. No Access

    Article

    On the Possibilities of Increasing the Diffusion Resistance of Protective Silicide Coatings on the Surface of E110 Alloy

    The study is devoted to searching for possibilities to improve the thermal stability of protective silicide coatings on zirconium alloys by reducing the intensity of their diffusion interaction with the base m...

    I. B. Gnesin, B. A. Gnesin, A. N. Nekrasov… in Journal of Surface Investigation: X-ray, S… (2023)

  4. No Access

    Article

    Effect of the Carbon Content on the Structure and Mechanical Properties of a High-Temperature Carbide-Hardening Niobium–Molybdenum Alloy

    The elemental, phase, and structural state of Nb–Mo–C alloys with equiatomic metal contents and 15, 20, 25, and 30 at % C are studied after electron-beam zone melting. In the alloy containing 15 at %, a fine m...

    I. B. Gnesin, M. I. Karpov, D. V. Prokhorov, B. A. Gnesin… in Russian Metallurgy (Metally) (2022)

  5. No Access

    Article

    Effect of Silicon Content on the Microstructure and Mechanical Properties of Niobium–Silicon Alloy

    The microstructure and high-temperature mechanical properties of samples of (1 − х)(Nb–9Mo–13Ti–4Hf–4Zr–4Al–4Сr)–хSi alloy, where x = 5, 10, 15, and 20 at % of Si are studied. An alloy with 15 at % Si displays th...

    M. I. Karpov, V. I. Vnukov, T. S. Stroganova… in Bulletin of the Russian Academy of Science… (2019)

  6. No Access

    Article

    Structure and High-Temperature Mechanical Properties of High-Carbon Niobium-Based Alloys

    Abstract—The structure and the mechanical properties of Nb80C20 and Nb40Mo40C20 alloys have been studied at temperatures 20–1500°C. The mechanical properties of the Nb80C20 alloy from room temperature to 1300°C a...

    M. I. Karpov, D. V. Prokhorov, V. I. Vnukov… in Russian Metallurgy (Metally) (2019)

  7. No Access

    Article

    Structure Amorphization and Mechanical Properties of Nanolaminates of the Copper–Niobium System During High-Pressure Torsion

    The results of investigation of structural transformations and mechanical behavior of nanolaminates are reported, which were manufactured by multiple rolling of alternating layers of copper and niobium, follow...

    I. E. Permyakova, A. M. Glezer, M. I. Karpov, V. I. Vnukov… in Russian Physics Journal (2018)

  8. No Access

    Article

    Effect of titanium and molybdenum on the structure and mechanical properties of an in situ composite based on the niobium-silicon system

    Composites of the Nb-Si-T-Zr-Hf-Cr-Al-Mo-Y system of three compositions differing only by their ratios of molybdenum and titanium content (13 at % Ti + 8.5 at % Mo; 15 at % Ti + 6.5 at % Mo; and 17 at % Ti + 4...

    T. S. Stroganova, M. I. Karpov… in Bulletin of the Russian Academy of Science… (2015)

  9. No Access

    Article

    Effect of the rate of solidification on the microstructure, phase composition, and strength of Nb/Nb5Si3 in-situ composites

    Nb/Nb5Si3 in situ composites are formed via directional solidification by the Bridgman method at rates of 1.25–2.50–5.00–10 mm min. The effect the rate of rate of solidification has on the microstructure, phase c...

    I. L. Svetlov, N. A. Kuzmina, A. V. Neiman… in Bulletin of the Russian Academy of Science… (2015)

  10. No Access

    Article

    Structure and mechanical properties of a eutectic high-temperature Nb-Si alloy grown by directional solidification

    The structure and the short-term high-temperature strength of Ni-18.7 at % Si (Nb-Nb3Si eutectic) alloys fabricated by vacuum electron-beam zone melting and induction melting in an argon atmosphere are studied. T...

    M. I. Karpov, V. I. Vnukov, V. P. Korzhov, T. S. Stroganova… in Russian Metallurgy (Metally) (2014)

  11. No Access

    Article

    Structure and properties of Nb-Al alloys prepared by powder metallurgy

    The structure and short-time strength of Nb-Al alloys of two compositions prepared by powder metallurgy are studied. The mechanical alloying of niobium with aluminum in a planetary ball mill in air is shown to...

    M. I. Karpov, V. P. Korzhov, D. V. Prokhorov, V. I. Vnukov… in Russian Metallurgy (Metally) (2013)

  12. No Access

    Article

    Studies of the microstructure of a superconducting Nb3Sn-Band obtained from (Cu/Nb)/Cu12Sn nanocomposite

    A multilayer layer from the superconducting compound Nb3Sn was obtained by the thermal treatment of composite (Cu/Nb)/Cu12Sn conductor consisting of Cu-12% Sn and Cu/Nb interlayers consisting in turn of nanosized...

    V. P. Korzhov, M. I. Karpov, V. I. Vnukov in Bulletin of the Russian Academy of Science… (2012)

  13. No Access

    Article

    Structure and properties of arc-melted Cu – 2% Cr Chromium bronze

    The structure and properties of cast chromium bronze containing 2% Cr are studied. Ingots with a mass of up to 9.5 kg and a diameter of 70 mm are fabricated by arc melting with consumable electrode. The variat...

    V. P. Korzhov, M. I. Karpov, V. I. Vnukov in Metal Science and Heat Treatment (2009)

  14. No Access

    Article

    Structure and diffusion processes in laminated composites of a Cu–Ti system

    Characteristics of diffusion transformations in a multi-layer composite of a Cu–Ti system, which was produced by high-temperature diffusion welding followed by rolling at room temperature, are reported. It is ...

    B. S. Bokstein, V. I. Vnukov, E. V. Golosov, M. I. Karpov… in Russian Physics Journal (2009)