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  1. No Access

    Article

    High-Temperature Gas Extrusion of a Reactive Ni + Al Powder Mixture

    The results of studying steel cladded intermetallic rods manufactured by means of high-temperature gas extrusion applied for the first time for reactive powder mixtures are presented. The tests were performed ...

    F. F. Galiev, I. V. Saikov, V. D. Berbentsev, A. V. Guluytin… in Doklady Physics (2019)

  2. No Access

    Article

    Thermal Stability of Compact Pyrophoric Nickel Nanopowder Samples after Passivation

    The use of nanopowders implies the ability to safely store them without changes in their physicochemical parameters ensured by passivation. In this work, we have determined the thermal stability range in air f...

    M. I. Alymov, B. S. Seplyarskii, S. G. Vadchenko, R. A. Kochetkov… in Inorganic Materials (2021)

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    Article

    Passivation of Compacted Samples Made of Pyrophoric Iron Nanopowders during Their Interaction with Air

    Various macrokinetic modes of interaction (self-ignition or combustion) of compact samples from nonpassivated (pyrophoric) and passivated iron nanopowders with air are under study. Experiments show that the mo...

    M. I. Alymov, B. S. Seplyarskii, S. G. Vadchenko… in Combustion, Explosion, and Shock Waves (2021)

  4. No Access

    Article

    A Study of the Deformation of a Low-Density Aluminum–Lithium Alloy under Impact Compression and Localized Shear

    This paper presents a study of a model for deformation of a medium-strength weldable corrosion-resistant low-density aluminum–lithium alloy under impact loading, as well as the identification and verification ...

    V. A. Kuz’min, F. F. Galiev, V. A. Pushkov… in Physics of Metals and Metallography (2022)

  5. No Access

    Article

    Structure and Phase Formation in Ni + Al Powder Mixture Enclosed in a Steel Cartridge during Hot Gas Extrusion

    Stages of structure/phase formation in Ni + Al powder mixture enclosed in a steel cartridge in the course of hot gas extrusion (HGE) were studied. It was shown that the formation of target NiAl phase is preced...

    F. F. Galiev, V. D. Berbetcev… in International Journal of Self-Propagating … (2023)

  6. No Access

    Article

    Static, Dynamic, and Shock-Wave Strengths of 17G1S, 09G2S, 10G2FBYu, and K60 Strength Class Pipe Steels

    In the development of special explosion-proof chambers that must meet strict requirements for strength reliability, an important issue is the choice of the material of the load-bearing shell subjected to pulse...

    V. A. Ogorodnikov, M. A. Syrunin, K. V. Erofeev… in Combustion, Explosion, and Shock Waves (2023)

  7. No Access

    Article

    Porosity of Nickel Nanopowder Compacts Consolidated by Gas Extrusion

    This paper presents a method to calculate the pore gas pressure from the minimum size of a closed pore. The pore pressure assessment is based on materials produced by consolidation of nickel nanopowders using ...

    M. I. Alymov, A. I. Epishin, F. F. Galiev in Inorganic Materials: Applied Research (2023)

  8. No Access

    Article

    Maximum Gas Pressure in Pores

    An analytical expression for estimating the maximum gas pressure within a closed pore is derived. The Lamé solution for the stress–strain state of the material around a spherical pore in an infinite medium is ...

    M. I. Alymov, A. B. Ankudinov, S. I. Averin… in Inorganic Materials: Applied Research (2024)

  9. No Access

    Article

    Mechanical Properties of Composite Rods Produced by Hot Gas Extrusion of the Nickel and Aluminum Powder Mixtures in a Steel Shell

    Abstract—This paper presents the effect of hot gas extrusion (HGE) parameters on the phase composition and mechanical properties of composite rods composed of a core with reaction products of a Ni–Al powder mixtu...

    F. F. Galiev, I. V. Saikov, V. D. Berbentsev… in Inorganic Materials: Applied Research (2024)