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  1. No Access

    Article

    Enhanced atomic short-range ordering of the alloy Fe–15 at. % Cr caused by ion irradiation at elevated temperature and thermal effects only

    A solid solution of 15 at. % Cr in α-Fe was prepared by rapid quenching from 1200 °C and cold plastic deformation (foils 30-μm thick). Under ion irradiation at a temperature of 450 °C with the use of 20-keV Ar+ a...

    V.V. Ovchinnikov, B.Yu. Goloborodsky, N.V. Gushchina, V.A. Semionkin… in Applied Physics A (2006)

  2. No Access

    Article

    Structural features of aluminium alloy 1441 irradiated by Ar+ ions

    Using electron microscopy it was found that irradiation of clad cold-worked specimens made of commercial aluminium-lithium alloy 1441 by the Ar + ions of energy 40 keV at low doses of irradiation ...

    V. V. Ovchinnikov, N. V. Gushchina, F. F. Makhin’ko… in Russian Physics Journal (2007)

  3. No Access

    Article

    Analysis of changes in the structural state of the VD1 alloy (Al-Cu-Mg-Mn) under the effect of ion irradiation (Ar+, E = 40 keV) using transmission electron microscopy

    It has been established by the method of electron microscopy that the irradiation of the cold-worked aluminum alloy VD1 of the Al-Cu-Mg-Mn system by Ar+ ions with an energy of 40 keV leads to the formation in it ...

    V. V. Ovchinnikov, N. V. Gushchina… in The Physics of Metals and Metallography (2008)

  4. No Access

    Article

    Study of the texture of aluminum alloys after cold rolling, annealing, and irradiation by Ar+ ions

    The crystallographic texture of samples (1–3 mm thick) of AMg6, VD1, and 1441 aluminum alloys has been studied after cold rolling, post-rolling annealing, and irradiation by accelerated Ar+ ions (E = 20–40 keV). ...

    V. V. Ovchinnikov, N. V. Gushchina… in The Physics of Metals and Metallography (2010)

  5. No Access

    Article

    Radiation annealing of AMg6, 1441, and VD1 aluminum alloy strips using a ribbon source of accelerated ions

    The results of our earlier studies are summed and new data are presented on the influence of beams of accelerated Ar+ ions on the mechanical properties and structure of various commercial aluminum alloys. A short...

    V. V. Ovchinnikov, N. V. Gavrilov, N. V. Gushchina… in Russian Metallurgy (Metally) (2010)

  6. No Access

    Article

    Changes in microstructure of cold-worked aluminum-lithium alloy 1441 initiated by powerful pulsed ion beams

    The results of an electron microscopy study of alloy 1441 of the Al-Cu-Mg-Li-Zr-Mn system after cold rolling (ɛ = 72%) and subsequent irradiation with a powerful pulsed ion beam (70%C+ + 30%H+) in the pulsed-peri...

    V. V. Ovchinnikov, G. E. Remnev, N. V. Gushchina… in Russian Journal of Non-Ferrous Metals (2011)

  7. No Access

    Article

    Optical emission from metal targets bombarded by 5–20 keV argon ions

    The spectral composition of optical emission from high-purity iron (99.99% Fe), zirconium (99.98% Zr), and tungsten (99.96% W) targets bombarded by 5–20 keV Ar+ ions has been studied. The ion-bombardment-induced ...

    V. V. Ovchinnikov, F. F. Makhin’ko, V. I. Solomonov… in Technical Physics Letters (2012)

  8. No Access

    Article

    Mössbauer and resistometric study of α(bcc) → γ(fcc) phase transformation induced by ion bombardment and intraphase processes in the Fe + 8.25 at % Mn alloy

    The results of the Mössbauer and resistometric studies of the atom redistribution and peculiarities of the α(bcc) → γ(fcc) structure-phase transformation in the Fe + 8.25 at % Mn alloy under irradiation by Ar+ io...

    V. V. Ovchinnikov, N. V. Gushchina… in The Physics of Metals and Metallography (2015)

  9. No Access

    Article

    Structural Changes in Alloys of the Al–Cu–Mg System Under Ion Bombardment and Shock-Wave Loading

    To confirm the hypothesis on the shock-wave nature of long-range effects upon corpuscular irradiation of condensed media presumably caused by emission and propagation of post-cascade shock waves, comparative e...

    V. V. Ovchinnikov, N. V. Gushchina, I. Yu. Romanov… in Russian Physics Journal (2017)

  10. No Access

    Article

    Effect of ion irradiation on the nanocrystallization and magnetic properties of soft magnetic Fe72.5Cu1Nb2Mo1.5Si14B9 alloy

    The effect of accelerated Ar+ ions on the crystallization process and magnetic properties of nanocrystalline Fe72.5Cu1Nb2Mo1.5Si14B9 alloy has been studied using X-ray diffraction analysis, transmission electron ...

    V. V. Ovchinnikov, F. F. Makhin’ko, N. V. Gushchina… in Physics of Metals and Metallography (2017)

  11. No Access

    Article

    Radiation Stability of Metal Fe0.56Ni0.44 Nanowires Exposed to Powerful Pulsed Ion Beams

    The resistance of Fe0.56Ni0.44 alloy nanowires (fabricated by template synthesis using polymer track membranes) 60 and 100 nm in diameter to radiation with powerful pulsed 85% C+ + 15% H+ ions (E = 20 keV, j = 10...

    S. A. Bedin, V. V. Ovchinnikov, G. E. Remnev… in Physics of Metals and Metallography (2018)

  12. No Access

    Article

    The Effect of Ion Irradiation on Nanocrystallization and Surface Relief of a Ribbon from Fe72.5Cu1Nb2Mo1.5Si14B9 Alloy

    Using the methods of X-ray diffraction and atomic force microscopy, the process of crystallization of an amorphous Fe72.5Cu1Nb2Mo1.5Si14B9 alloy irradiated with accelerated Ar+ ions is investigated. It is found o...

    I. Yu. Romanov, N. V. Gushchina, V. V. Ovchinnikov… in Russian Physics Journal (2018)

  13. No Access

    Article

    Surface Modification of Corundum Ceramics by Argon Ion Beam

    The mechanical properties of near-surface layers of aluminum oxide ceramic treated with a continuous ion beam of argon are investigated. The phase and structural changes of the modified near-surface layers wer...

    S. A. Ghyngazov, V. Kostenko, V. V. Ovchinnikov… in Inorganic Materials: Applied Research (2019)

  14. No Access

    Article

    Austenite Formation in α-Phase Fe–Mn Alloy after Cold Plastic Working and Fast Heating by an Ar+ Ion Beam to 299°С

    The accelerated Ar+ ion irradiation at a fluence of 1.2 × 1015 cm–2 for 4 seconds formed 6.2% austenite in a cold-worked Fe–6.29 at % Mn alloy with a structure of α ferrite. The related ion beam heating of a foil...

    V. V. Ovchinnikov, E. V. Makarov, N. V. Gushchina in Physics of Metals and Metallography (2019)

  15. No Access

    Article

    Influence of Irradiation with Ar+ Ions on the Process of the Delayed Fracture of a Maraging Steel

    Abstract—The microhardness, the structure of the maraging steel (MAS) 03N18K3M3T, and its susceptibility to delayed fracture (DF) after various regimes of treatment, including surface irradiation with argon ions ...

    V. V. Berezovskaya, R. A. Savray, O. V. Maslova… in Physics of Metals and Metallography (2020)

  16. No Access

    Article

    Radiation Stability of Fe/Cr and СоFe/Cu Superlattices upon Irradiation with Argon Ions (Е = 10 keV)

    Abstract—The magnetoresistive characteristics of magnetic metallic Fe/Cr and Co90Fe10/Cu superlattices subjected to irradiation with accelerated Аr+ ion beams with an energy of 10 keV at the fluences F = 1013–101...

    N. V. Gushchina, K. V. Shalomov, V. V. Ovchinnikov… in Physics of Metals and Metallography (2020)

  17. No Access

    Article

    Effect of Medium-Energy Ar+ Ion Irradiation on the Structure of Austenitic Chromium–Nickel Steel

    The effect of 15-keV Ar+ ions on the structure of austenitic chromium-nickel steel in the 3.1 × 1017–7.5 × 1017 cm–2 fluence range has been investigated in this work. X-ray diffraction analysis indicates a nonmon...

    N. V. Gushchina, F. F. Makhin’ko, V. V. Ovchinnikov… in Physics of Metals and Metallography (2021)

  18. No Access

    Article

    Regression Dependences of Mechanical Properties of Aluminum Alloys Exposed to Accelerated Argon Ion Beams

    The paper focuses on the data related to the nature of changes in mechanical properties of 1–3 mm thick coldworked sheets made of commercial AMg6 (Al–Mg), VD1 (Al–Cu–Mg–Mn), 1441 (Al–Li–Cu–Mg) alloys, dependin...

    V. V. Ovchinnikov, N. V. Gushchina, S. M. Mozharovsky in Russian Physics Journal (2023)

  19. No Access

    Article

    Effect of Ion Irradiation on the Resource Characteristics of the V95 Alloy (Al–Zn–Mg–Cu)

    The influence of Ar+ ion beams (energy E = 20 keV, ion current density j = 200 μA/cm2) on the fatigue resistance of samples of V95 alloy (Al–Zn–Mg–Cu) 6 mm thick cut from profiles in the state of delivery, after ...

    N. V. Gushchina, V. V. Ovchinnikov, K.V. Shalomov… in Inorganic Materials: Applied Research (2023)