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7 Result(s)

within A. B. Ankudinov Remove this filter Industrial and Production Engineering Remove this filter

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  1. No Access

    Article

    Cyclic strength of submicrocrystalline nickel obtained by nanopowder sintering

    The laws of fatigue hardening, softening, and fracture of coarse-grained, submicrocrystalline (SMC), and nanocrystalline nickel-based metallic materials are briefly reviewed. The cyclic strength of SMC nickel ...

    V. F. Terent’ev, M. I. Alymov, A. G. Kolmakov… in Nanotechnologies in Russia (2008)

  2. No Access

    Article

    Synthesis of titanium carbide nanopowders and production of porous materials on their basis

    A technology for the synthesis of titanium carbide nanopowders with a narrow particle-size distribution and a small concentration of impurities has been developed. Conditions for pressing and sintering titaniu...

    M. I. Alymov, V. S. Shustov, A. V. Kasimtsev, V. V. Zhigunov… in Nanotechnologies in Russia (2011)

  3. No Access

    Article

    Effect that powder dispersity and sintering medium have on acoustic-emission activity

    It has been revealed that replacing a rough copper powder with a nanopowder increases the acoustic emission (AE) upon sintering the pressings of the W + 20% Cu structure. Hydrogen sintering of the W + 20% Ag s...

    V. A. Zelenskii, A. B. Ankudinov, A. G. Penkin, M. I. Alymov in Nanotechnologies in Russia (2011)

  4. No Access

    Article

    Sintering diagram of titanium carbide powders

    Sintering diagrams, which determine the dominating mechanism of powder sintering at a given temperature, the size of powder grains, and the neck between the grains, may be used to explain the experiments on si...

    V. S. Shustov, I. A. Zaletova, S. I. Averin, V. A. Zelenskii… in Nanotechnologies in Russia (2012)

  5. No Access

    Article

    Investigation into the dependence of time characteristics of ignition and combustion of iron nanopowders on air on the duration of passivation after synthesis

    A method of estimating the extent of passivation of iron nanopowders based on color high-speed filming is suggested. It is established that the number of primary centers of combustion and the time of their eme...

    M. I. Alymov, N. M. Rubtsov, B. S. Seplyarskii… in Nanotechnologies in Russia (2017)

  6. No Access

    Article

    Passivation of Nickel Nanoparticles at Temperatures below 0°C

    It has been experimentally demonstrated that, at temperatures below 0°C, nickel nanopowder does not ignite in dry air; however, passivation takes place, thus providing the composition stability of nickel nanop...

    M. I. Alymov, N. M. Rubtsov, B. S. Seplyarskii… in Nanotechnologies in Russia (2017)

  7. No Access

    Article

    Synthesis of Nickel Nanopowders under Dynamic Conditions

    In this paper, the synthesis of nickel nanopowders by the chemicometallurgical method under dynamic conditions, when the composition of the gas medium is changed in the process of synthesis (argon is changed f...

    M. I. Alymov, N. M. Rubtsov, B. S. Seplyarskii… in Nanotechnologies in Russia (2018)