Skip to main content

48 Result(s)

within V. A. Shabashov Remove this filter

previous disabled Page of 3
and

  1. Article

    Open Access

    Conditions for the Violation of Concentrational Homogeneity of Fe–Ni Invar Alloys

    Conditions for the formation of microconcentration inhomogeneities in Fe–Ni alloys, which can decrease their invar characteristics, are determined. The nickel separation can be reached in the course of short-t...

    V. V. Sagaradze, N. V. Kataeva, V. A. Zavalishin… in Physics of Metals and Metallography (2021)

    Download PDF (1576 KB) View Article

  2. Article

    Open Access

    Inversion of Nitrogen Redistribution in Austenitic Steel by Severe Plastic Deformation

    Using the Mössbauer spectroscopy and transmission electron microscopy (TEM) methods, the temperature boundary of a strain-induced transformation with the inversion of the direction of nitrogen redistribution i...

    V. A. Shabashov, K. A. Lyashkov, N. V. Kataeva… in Physics of Metals and Metallography (2021)

    Download PDF (1232 KB) View Article

  3. No Access

    Article

    Short-Range Atomic Ordering Accelerated by Severe Plastic Deformation in FCC Invar Fe–Ni Alloys

    The deformation-enhanced atomic redistribution, i.e., accelerated ordering upon warm (573 K) and disordering upon cold (298 K) high pressure torsion, has been investigated using Mössbauer spectroscopy in the b...

    V. A. Shabashov, K. A. Kozlov, A. E. Zamatovskii… in Physics of Metals and Metallography (2019)

  4. No Access

    Article

    Visualization of Concentration Micro-Inhomogeneities in Fe–Ni Alloys

    The method of visually identifying microregions with increased nickel concentration in austenitic Fe–Ni alloys by the appearance of dark diffraction contrast in electron-microscopic images has been laid a foun...

    V. V. Sagaradze, N. V. Kataeva, M. F. Klyukina… in Physics of Metals and Metallography (2018)

  5. No Access

    Article

    Structure Modification of High-Nitrogen and High-Carbon Austenitic Steels by Megadeformation

    This study has established the change in the kinetics of the deformation-induced dissolution and precipitation of carbides and nitrides in austenitic steels supersaturated with nitrogen and carbon due to the c...

    V. A. Shabashov, V. V. Sagaradze, A. V. Makarov in Physics of Metals and Metallography (2018)

  6. No Access

    Article

    Atomic Ordering in a Low-Concentrated Fe–Cr Alloy upon Severe Plastic Deformation

    The dependence of the direction and degree of short-range ordering on the temperature of severe plastic deformation has been determined in the Fe86.8Cr13.2 binary alloy using Mossbauer spectroscopy. The stratific...

    K. A. Kozlov, V. A. Shabashov, A. E. Zamatovskii… in Physics of Metals and Metallography (2018)

  7. No Access

    Article

    Structure of the Surface Layers of Metastable Austenitic Stainless Steel Nitrided in Electron Beam Plasma

    The effect of the nitriding temperature in electron beam plasma on the structural and phase composition of the surface layers of metastable austenitic stainless steels is studied. Conversion electron Mössbauer...

    V. A. Shabashov, N. V. Gavrilov, K. A. Kozlov… in Physics of Metals and Metallography (2018)

  8. No Access

    Article

    Deformation-Induced Dissolution and Precipitation of Nitrides in Austenite and Ferrite of a High-Nitrogen Stainless Steel

    Methods of Mössbauer spectroscopy and electron microscopy have been used to study the effect of the severe plastic deformation by high pressure torsion in Bridgman anvils on the dissolution and precipitation o...

    V. A. Shabashov, A. V. Makarov, K. A. Kozlov… in Physics of Metals and Metallography (2018)

  9. No Access

    Article

    Differing behaviors of point defects in Fe–36Ni alloy during annealing after low-temperature deformation and irradiation

    Fe–36Ni alloy is studied in states in which it is quenched, irradiated with electrons at 70 K, and deformed at 77 K. It is shown that similar structure-phase transformations occur in the investigated alloy dur...

    V. V. Sagaradze, V. L. Arbuzov, S. E. Danilov, V. P. Pilyugin… in Technical Physics Letters (2017)

  10. No Access

    Article

    Radiation-induced atomic redistribution in Aging Fe–Ni alloys upon neutron irradiation

    The structural and phase transformations and atomic redistribution induced by neutron irradiation have been investigated in aging fcc Fe–Ni alloys using special alloying with elements M (Si, Ti, Al, Zr) that form...

    V. A. Shabashov, V. V. Sagaradze, A. E. Zamatovskii… in Physics of Metals and Metallography (2017)

  11. No Access

    Article

    Effect of the temperature of megaplastic deformation on the redistribution of carbon in Fe–Ni–C austenite

    Structural phase transitions induced by megaplastic deformation at temperatures of 80–573 K are investigated in high-carbon Fe–Ni austenite of the invar range of compositions. Phase transformations change thei...

    V. A. Shabashov, A. E. Zamatovsky… in Bulletin of the Russian Academy of Science… (2017)

  12. No Access

    Article

    Deformation-induced atomic redistribution in bcc Fe–Mn alloy

    Deformation-induced iron and manganese atomic separation in a bcc solid solution is detected via Mössbauer spectroscopy in Fe93.2Mn6.8 alloy after high pressure torsion deformation in Bridgman anvils. The rate of...

    K. A. Kozlov, V. A. Shabashov… in Bulletin of the Russian Academy of Science… (2017)

  13. No Access

    Article

    Structural and phase transformations and micromechanical properties of the high-nitrogen austenitic steel deformed by shear under pressure

    Using transmission electron microscopy, X-ray diffraction analysis, Mössbauer spectroscopy, microdurometry, and microindentation, the effect of large plastic deformations (through shear under pressure in Bridg...

    A. V. Makarov, S. N. Luchko, V. A. Shabashov… in Physics of Metals and Metallography (2017)

  14. No Access

    Article

    Deformation-intensified atomic separation in bcc Fe–Mn alloys

    The deformation-intensified atomic Mn-related separation of the bcc solid solution has been found in Fe100–xMnx alloys (x = 4.5–9.9) subjected to ball milling using Mössbauer spectroscopy. In the near surrounding...

    V. A. Shabashov, K. A. Kozlov, K. A. Lyashkov… in The Physics of Metals and Metallography (2016)

  15. No Access

    Article

    Dynamic aging in an Fe–Ni–Al alloy upon megaplastic deformation. Effect of the temperature and deformation rate

    The method of Mössbauer spectroscopy has been used to investigate the effect of the temperature and the rate of megaplastic deformation on the processes of dissolution–precipitation of intermetallic compounds ...

    V. A. Shabashov, V. V. Sagaradze… in The Physics of Metals and Metallography (2016)

  16. No Access

    Article

    Intensification of deformation-induced diffusion processes of the dissolution of intermetallic compounds in iron-based alloys at cryogenic temperatures

    In an aging austenitic iron-based alloy (Fe–35.8Ni–2.6Ti), when the deformation temperature decreases from 573 to 203–77 K, a sharp intensification of anomalous processes of the dissolution of nanoparticles of...

    V. V. Sagaradze, V. A. Shabashov, K. A. Kozlov… in The Physics of Metals and Metallography (2015)

  17. No Access

    Article

    Relaxation of the structure of Fe–Ni alloys during mechanical alloying induced by severe plastic deformation

    Deformation, thermal, and radiation-induced processes of the relaxation of structure of binary and specially modified fcc Fe–Ni alloys subjected to severe cold plastic deformation have been compared using Möss...

    V. A. Shabashov, V. V. Sagaradze, A. V. Litvinov… in The Physics of Metals and Metallography (2015)

  18. No Access

    Article

    Mössbauer analysis of the solid-phase mechanical synthesis of nitrogen chromium-nickel and chromium-manganese austenite

    Nanostructured austenite alloys lean-alloyed with nickel and manganese and precipitation-hardened with nitrides are prepared via solid-phase mechanical synthesis in a ball mill by milling powders of bcc iron-n...

    K. A. Kozlov, V. A. Shabashov… in Bulletin of the Russian Academy of Science… (2015)

  19. No Access

    Article

    Friction-induced structural transformations of the carbide phase in Hadfield steel

    Structural transformations of the carbide phase in Hadfield steel (110G13) that occur upon plastic deformation by dry sliding friction have been studied by methods of optical metallography, X-ray diffraction, ...

    L. G. Korshunov, V. V. Sagaradze… in The Physics of Metals and Metallography (2015)

  20. No Access

    Article

    Producing a gradient-composition nanocrystalline structure on nitrided surfaces of invar-type Fe-Ni alloys using megaplastic deformation

    A nanocrystalline Fe-Ni matrix strengthened by dispersed CrN and TiN nitrides has been produced on the ion-plasma-nitrided surfaces of the austenitic Fe-Ni38-Cr15 and Fe-Ni36-Ti4 alloys using cyclic “nitride diss...

    V. A. Shabashov, S. V. Borisov, A. V. Litvinov… in The Physics of Metals and Metallography (2014)

previous disabled Page of 3