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  1. No Access

    Article

    Analysis of Nonmetallic Inclusions in Articles from Austenitic Steel Obtained using Laser 3D Printing

    Nonmetallic inclusions (oxides, silicates) in specimens of austenitic steel AISI 316L obtained with the help of a EOSINT M280 (EOS GmbH) laser 3D printer are investigated. The structural type, the chemical com...

    N. V. Kazantseva, D. I. Davydov, I. V. Ezhov… in Metal Science and Heat Treatment (2023)

  2. No Access

    Article

    Design, Structure and Mechanical Properties of Aluminum Articles Obtained with the Help of 3D Laser Printing

    A part of a filtering and cooling module is designed and produced by the method of selective laser melting of powder aluminum alloy AlSi10Mg. The initial powder material is certified with respect to the partic...

    M. V. Il’inykh, A. G. Merkushev, N. V. Kazantseva in Metal Science and Heat Treatment (2022)

  3. No Access

    Article

    Physicochemical Studies of Al–Cu Alloy Powder and Material on Its Basis Produced under Nonoptimal Conditions of 3D Printing

    The surface structure and volume of a 3D article produced by the method of selective laser melting from a powder of the D-16 alloy has been studied. Using the XPS method, it has been determined that there is a...

    V. G. Shevchenko, D. A. Eselevich… in Protection of Metals and Physical Chemistr… (2020)

  4. No Access

    Article

    Magnetic Properties and Structure of Products from 1.4540 Stainless Steel Manufactured by 3D Printing

    Magnetic properties and structure of the 1.4540 (S15500) stainless steel products manufactured by additive technology using the selective laser melting method (SLM) were studied. The structure of the SLM alloy...

    N. V. Kazantseva, A. G. Merkushev, D. A. Shishkin… in Physics of Metals and Metallography (2019)

  5. No Access

    Article

    Analysis of Structure and Mechanical Properties of Co–Cr–Mo Alloy Obtained by 3D Printing

    Abstract—A comparative study was performed of microstructure and strength characteristics of the Co–Cr–Mo alloy obtained by the additive manufacturing (AM) method using selective laser melting (SLM) in the EOSINT...

    N. V. Kazantseva, I. V. Ezhov, D. I. Davydov… in Physics of Metals and Metallography (2019)

  6. No Access

    Article

    Structure Formation and Properties of Eutectic Silumin Obtained Using Selective Laser Melting

    An Al–Si eutectic alloy was synthesized by the selective laser melting (SLM) method using a pilot wrought Al-Si powder (of Russian AKD-12 grade) as the starting material. On the basis of electron microscopy, t...

    I. G. Brodova, O. A. Chikova, A. N. Petrova… in Physics of Metals and Metallography (2019)

  7. No Access

    Article

    Microstructure and Mechanical Properties of Objects Prepared by Selective Laser Melting of AKD12 Powder

    The morphology and elemental composition of Al–12% Si powder grade AKD12 of three fractions are studied. Powder is prepared in an original molten metal gas spraying unit UR-9 in a high-purity nitrogen atmosphe...

    A. S. Fefelov, A. G. Merkushev, O. A. Chikova, A. B. Finkel’shtein in Metallurgist (2018)

  8. No Access

    Article

    Evolution of Phase Formation during the Aluminothermic Reduction of Titanium and Zirconium from Oxides

    The sequence of formation of intermetallic compounds in the Al–ZrO2 and Al–TiO2 systems is determined by theoretical and experimental modeling of the aluminothermic reduction of titanium and zirconium from their ...

    L. B. Vedmid’, S. A. Krasikov, E. M. Zhilina… in Russian Metallurgy (Metally) (2018)

  9. No Access

    Article

    Experimental Evaluation of the Interaction of Titanium and Gadolinium Oxides with Aluminum

    The sequence of formation of compounds in the Al–TiO2–Gd2O3 system is determined using theoretical and experimental evaluations of the aluminothermic reduction of titanium and gadolinium from oxides. The reductio...

    L. B. Vedmid’, E. M. Zhilina, S. A. Krasikov… in Russian Metallurgy (Metally) (2018)

  10. No Access

    Article

    Thermal Properties of Precursors for a Hard Magnetic Fe–Cr–Co Material

    Single-stage linear annealing of Fe–Co and Fe–Cr alloys to a temperature of 1450°C results in the formation of cobalt and chromium solid solutions in iron, respectively.

    L. B. Vedmid’, A. G. Merkushev, E. V. Nikitina… in Russian Metallurgy (Metally) (2018)

  11. No Access

    Article

    Thermal analysis for modeling the aluminothermic reduction of zirconium from oxide

    The modeling of zirconium reduction from oxide by thermal analysis shows that the congruently stable intermetallic compound Al3Zr is formed as a result of the process. The formation of Al3Zr proceeds via the stag...

    L. B. Vedmid’, S. N. Agafonov, Yu. A. Avraamov… in Russian Metallurgy (Metally) (2017)

  12. No Access

    Article

    Internal impedance of twisted steel-aluminum wires at an industrial frequency

    A simplified mathematical model is suggested that describes the harmonic electromagnetic field distribution in high-voltage steel-core twisted cables with a single-layer winding at an industrial frequency. As ...

    A. G. Merkushev, I. A. Elagin in Technical Physics (2015)

  13. No Access

    Article

    Internal impedance of steel-reinforced helically stranded conductors at commercial frequency

    An original simplified mathematical model is proposed that describes the distribution of a harmonic electromagnetic field at a commercial frequency in steel-reinforced high-voltage cables with helically strand...

    A. G. Merkushev, I. A. Elagin in Technical Physics Letters (2015)

  14. No Access

    Article

    One-dimensional model of a distributed conductor

    A mathematical model that describes the evolution of the current and voltage distributions in a 1D conductor interacting with a system of potentials is presented. The model can be used to describe transient an...

    A. G. Merkushev, I. A. Elagin, M. A. Pavleyno, A. A. Statuya… in Technical Physics (2015)

  15. No Access

    Article

    Influence of the Thomson effect on the pulse heating of high-current electrical contacts

    Pulse heating of high-current contacts is notable for the presence of considerable temperature gradients in the contact area, which cause the Thomson effect—the appearance of thermoelectric currents. The amoun...

    A. G. Merkushev, M. A. Pavleino, O. M. Pavleino, V. A. Pavlov in Technical Physics (2014)

  16. No Access

    Article

    Evolution of a thermal field in a homogeneous conductor when non-stationary heated by a flowing current

    This paper offers an analytical solution to the temperature distribution problem in a one-dimensional current-carrying conductor. The proposed solution is compared to the numerical solution obtained with the f...

    A. G. Merkushev, M. A. Pavleyno in Surface Engineering and Applied Electrochemistry (2013)