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  1. No Access

    Article

    Investigation of the Effect of Nanosecond Laser Pulses Processing on the Microstructure and Fatigue Resistance of Commercially Pure Titanium

    The effect has been studied of treatment with nanosecond laser pulses on the fatigue resistance of plate samples of recrystallized (grain size of the order of 2–3 pm) commercially pure titanium (grade VT1-0) u...

    Yu. R. Kolobov, S. S. Manokhin, V. I. Betekhtin… in Technical Physics Letters (2023)

  2. No Access

    Article

    Increased ductility of Ni-based metallic glass ribbon pre-annealed at β-relaxation temperature

    The lack of ductility is known to be a major drawback in the mechanical properties of amorphous alloys. A temperature impact is often used, as a factor to improve the mechanical parameters of these thermally u...

    P. N. Butenko, V. I. Betekhtin, A. G. Kadomtsev… in Journal of Materials Science (2023)

  3. No Access

    Article

    Effect of the Structural State and Oxide Coating on the Mechanostability of VT1-0 Titanium upon Its Cyclic Loading

    The fatigue properties of a submicrocrystalline titanium are shown to be substantially higher than those of a coarse-grained state. A deposition of an oxide coating leads to insignificant increase in these pro...

    V. I. Betekhtin, A. G. Kadomtsev, M. V. Narykova… in Physics of the Solid State (2022)

  4. No Access

    Article

    Studying the Influence of Nanosecond Pulsed Laser Action on the Structure of Submicrocrystalline Titanium

    Microstructure of a thin (1–2 μm thick) subsurface layer of VT1-0 titanium alloy in the initial submicrocrystalline state and upon the action of nanosecond pulsed laser radiation has been studied by methods of...

    Yu. R. Kolobov, S. S. Manokhin, G. V. Odintsova… in Technical Physics Letters (2021)

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    Article

    A Study of the Influence of Irradiation of Carbon Diamond-Like Coatings with Nanosecond Laser Pulses on Their Structural-Phase Composition and Tribological Properties

    Using the methods of Raman spectroscopy, optical metallography and scanning electron microscopy, combined with the measurements of tribological characteristics, special aspects of the formation of microrelief ...

    Yu. R. Kolobov, S. S. Manokhin, A. Ya. Kolpakov… in Russian Physics Journal (2021)

  6. No Access

    Article

    Investigation of Changes in the Structure of Submicrocrystalline Titanium of VT1-0 Brand under Heat Treatment and Laser Processing with Nanosecond Pulses

    The characteristic features of a change in the structure of samples of submicrocrystalline (SMC) technically pure titanium of VT1-0 brand after long-term annealing in a wide temperature range of 150–700°C with...

    S. S. Manokhin, A. Yu. Tokmacheva-Kolobova… in Journal of Surface Investigation: X-ray, S… (2021)

  7. No Access

    Article

    Dynamics of the Surface Morphology of a Tungsten Foil under Load

    The dynamics of changes in the surface morphology of recrystallized tungsten foil under the action of uniaxial tension was studied in situ by the methods of low-energy electron diffraction, electron Auger spec...

    V. E. Korsukov, A. V. Ankudinov, V. I. Betekhtin… in Physics of the Solid State (2020)

  8. No Access

    Article

    Changes in the Defective Structure of the Surface of a Fe77Ni1Si9B13 Metal Glass Ribbon under the Influence of Hydrostatic Pressure and Isothermal Annealing

    The features and generality of the effect of hydrostatic pressure and annealing on the surface relief of the contact and non-contact side of the Fe77Ni1Si9B13 metal glass ribbon are revealed. The relationship bet...

    P. N. Butenko, V. I. Betekhtin, V. E. Korsukov… in Physics of the Solid State (2020)

  9. No Access

    Article

    Evolution of Elastic Properties of Ti and Its Alloys due to Severe Plastic Deformation

    The paper analyzes how the elastic properties of titanium and its alloys vary as their structure is transformed from coarse- to ultrafine-grained under severe plastic deformation. The anal...

    B. K. Kardashev, M. V. Narykova, V. I. Betekhtin, A. G. Kadomtsev in Physical Mesomechanics (2020)

  10. No Access

    Article

    The Influence of Dynamic Preload on the Fatigue Endurance Limit of AMg6 Alloy

    The influence of dynamic preload on the fatigue endurance limit of AMg6 alloy has been experimentally studied in a range of 109 loading cycles. It is established that prestraining up to 10% deformation at 103 s–1

    D. A. Bilalov, V. A. Oborin, O. B. Naimark, M. V. Narykova… in Technical Physics Letters (2020)

  11. No Access

    Article

    Evolution of a Defect Structure during Creep Tests of Ultrafine-Grained Metals and Alloys Produced by Severe Plastic Deformation

    The structural factors that lead to a decrease in the mechanostability of ultrafine-grained (UFG) metals and alloys during creep tests at increased temperatures have been revealed using small-angle X-ray scatt...

    V. I. Betekhtin, A. G. Kadomtsev, M. V. Narykova in Physics of the Solid State (2020)

  12. No Access

    Article

    The Influence of Heat Treatment on the Elastic and Microplastic Properties of Ultrafine-Grained Titanium with Variable Content of Impurities

    Results of investigations of the influence of heat treatment at elevated temperatures on the elastic and microplastic properties of ultrafine-grained (UFG) titanium processed by severe plastic deformation are ...

    B. K. Kardashev, M. V. Narykova, V. I. Betekhtin… in Technical Physics Letters (2019)

  13. No Access

    Article

    The Effect of Equal Channel Angular Extrusion and Hydrostatic Pressure on the Elastic and Microplastic Properties of a Cu–0.2 wt % Zr Alloy

    The effect of severe plastic deformation and the subsequent impact of high hydrostatic pressure on the elastic and microplastic properties of Cu–0.2 wt % Zr alloy has been studied and analyzed. The influence o...

    B. K. Kardashev, V. I. Betekhtin, M. V. Narykova, A. G. Kadomtsev… in Technical Physics (2019)

  14. No Access

    Article

    The Influence of Mechanical Treatment on the Surface Relief of a Fe77Ni1Si9B13 Metal Glass

    The micro- and nanoreliefs of the loaded surfaces of a Fe77Ni1Si9B13 metal glass are probed via scanning tunneling and atomic force microscopies, scanning electron microscopy, and X-ray fluorescence. The fractal ...

    V. E. Korsukov, A. V. Ankudinov, V. I. Betekhtin… in Physics of the Solid State (2019)

  15. No Access

    Article

    The Formation of Oxide Layers on a Titanium Surface by Irradiation with Femtosecond Laser Pulses

    By subjecting technical grade titanium to irradiation with femtosecond laser pulses with high energy density, we create a microporous nanocrystalline oxide layer with a thickness of ∼50 μm on its surface. The ...

    Yu. R. Kolobov, M. V. Zhidkov, E. V. Golosov, T. N. Vershinina… in Technical Physics Letters (2018)

  16. No Access

    Article

    Effect of Processing by Femtosecond Pulsed Laser on Mechanical Properties of Submicrocrystalline Titanium

    Effect of femtosecond laser processing on mechanical properties of plates made of submicrocrystalline VT1-0 titanium alloy is studied using active deformation and fatigue testing involving cantilever bending.

    Yu. R. Kolobov, E. A. Korneeva, I. N. Kuz’menko, A. N. Skomorokhov… in Technical Physics (2018)

  17. No Access

    Article

    Internal friction, Young’s modulus, and electrical resistivity of submicrocrystalline titanium

    The variation of the internal friction, Young’s modulus, and electrical resistivity of two grades of polycrystalline titanium (VT1-0 and Grade 4) in the area of low temperatures (100–300 K) as depending on the...

    B. K. Kardashev, K. V. Sapozhnikov, V. I. Betekhtin… in Physics of the Solid State (2017)

  18. No Access

    Article

    Elastic and microplastic properties of titanium in different structural states

    The behavior of elastic (Young’s modulus) and microplastic properties of titanium depending on the initial structure and subsequent severe plastic deformation that transforms the material (concerning the grain...

    B. K. Kardashev, V. I. Betekhtin, A. G. Kadomtsev, M. V. Narykova… in Technical Physics (2017)

  19. No Access

    Article

    Effect of the allotropic transition in titanium on its interatomic interaction energy

    The variation of interatomic interaction energy during allotropic transition in titanium is established by analyzing the stress and temperature dependences of durability. This energy is ≈458 kJ/mol in bodycent...

    V. I. Betekhtin, A. G. Kadomtsev, M. V. Narykova in Technical Physics Letters (2017)

  20. No Access

    Article

    Defect structure and thermomechanical stability of nano- and microcrystalline titanium obtained by different methods of intense plastic deformation

    Mechanical stability under prolonged loading and thermostability under annealing have been studied for nano- and microcrystalline titanium obtained by different methods of intense plastic deformation. The effe...

    V. I. Betekhtin, V. Sklenicka, A. G. Kadomtsev… in Physics of the Solid State (2017)

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