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  1. No Access

    Article

    Monitoring of 137Cs, 90Sr, and 40K in Gray Forest Soils and Plants of Reference Sites in Vladimir Oblast

    Abstract—The results of radiation monitoring of gray forest soils of reference agricultural plots of Vladimir oblast, conducted in 2011 and 2016 are presented. The study established background values of specific ...

    A. A. Utkin in Biology Bulletin (2023)

  2. No Access

    Article

    Assessment of the Radiation Situation in Reference Areas of Agricultural Lands of Vladimir Oblast

    The results of a radiation survey of sod–podzolic and gray forest soils of reference agricultural plots of Vladimir oblast are presented. The study established background values of specific activities of the s...

    A. A. Utkin in Biology Bulletin (2023)

  3. No Access

    Article

    Preparation, Microstructure, and Properties of a Ceramic Composite Based on Stabilized Zirconium Dioxide

    A pore-free ceramic composite [88ZrO2–11CeO2–Y2O3]/La0.85Y0.15Al11O18/Al2O3, consisting of a matrix based on zirconium dioxide stabilized with cerium and yttrium oxides, loaded with layered particles of lanthanum...

    A. Yu. Bugaeva, L. Yu. Nazarova, E. M. Tropnikov… in Russian Journal of General Chemistry (2023)

  4. No Access

    Article

    Structure and FMR Characteristics of (CoFeB + SiO2) Magnetic Composite Films

    It is found that (CoFeB + SiO2) composite films have a narrow spread of film surface protrusions at low concentrations of the metal alloy (x < 0.35), while a wider spread and smooth distribution of the protrusion...

    L. N. Kotov, V. A. Ustyugov, V. S. Vlasov… in Bulletin of the Russian Academy of Science… (2023)

  5. No Access

    Article

    Fertility and Ecotoxicological State of Reference Sites of Gray Forest Soils in Vladimir Oblast

    The paper presents the results of the long-term agrochemical and ecotoxicological studies of reference sites of the gray forest soil farmlands in Vladimir oblast, which were carried out to establish a level of...

    A. A. Utkin, S. N. Lukyanov in Russian Agricultural Sciences (2022)

  6. No Access

    Article

    Effect of Magnetic Fields on the Microwave Impedance of FeCoB + SiO2 Composite Films

    Microwave magnetic impedance spectra are obtained for $$[{{({\text{C}}{{{\text{o}}}_{{0.52}}}{\text{F}}{{{\text{e}}}_{{0.45}}}{{{\text...

    L. N. Kotov, M. P. Lasek, V. S. Vlasov… in Bulletin of the Russian Academy of Science… (2022)

  7. No Access

    Article

    FAILURE-DELAY EFFECT UNDER INFLUENCE PULSE DYNAMIC LOADS

    An analytical analysis of the failure-delay effect of a material with a crack under shock-wave pulse action is given. The effect is expressed via the possibility of material failure at the crack tip at the mom...

    Yu. V. Petrov, A. A. Utkin in Mechanics of Solids (2022)

  8. No Access

    Article

    Instability of Critical and Geometric Characteristics of the Fracture Zone under Spall Conditions

    Many features of dynamic fracture caused by shock-wave action are most pronounced under spalling conditions, i.e., when an intense wave pulse is reflected from a free boundary. Therefore, such material tests a...

    Yu. V. Petrov, A. A. Utkin in Mechanics of Solids (2020)

  9. No Access

    Article

    Failure-delay effect in destruction of steel samples under spalling conditions

    Dynamic spalling tests have been run on two batches of 30KhN4M steel samples. Experimental data have been processed with the classical technique based on solution of the elastic wave equation. Three samples ha...

    N. V. Mikhailova, G. A. Volkov, Yu. I. Meshcheryakov, Yu. V. Petrov… in Technical Physics (2017)

  10. No Access

    Article

    On some principal features of data processing of spall fracture tests

    A method for processing the results of dynamic spall fracture tests, based on the exact solution of the wave equation, and its commonly used simplified version based on the assumed unique relation between the ...

    G. A. Volkov, Yu. V. Petrov, A. A. Utkin in Physics of the Solid State (2017)

  11. No Access

    Article

    Time dependence of the spall strength under nanosecond loading

    The problem of spall fracture is considered using an incubation time criterion. Some experimental fracture effects are discussed. The spall strength is found to depend substantially on the pulse parameters, in...

    Yu. V. Petrov, A. A. Utkin in Technical Physics (2015)

  12. No Access

    Article

    Quantum-mechanical simulation of friction and lubrication in cutting

    The electron-density functional is used in simulating the adhesion and lubrication in cutting. The atomic interaction of various tool and blank materials is considered, along with the composition of lubricant ...

    Yu. G. Kabaldin, S. V. Seryi, A. A. Utkin in Russian Engineering Research (2012)

  13. No Access

    Article

    Development of nanocoatings for cutting tools

    The principles for develo** nanocoatings used on cutting tools are outlined. The atomic interactions of various systems used as targets in coating deposition are simulated, and the strength of their bonds wi...

    Yu. G. Kabaldin, S. V. Seryi, A. A. Utkin in Russian Engineering Research (2011)

  14. No Access

    Article

    To curvilinear three-web theory

    V. B Lazareva, A. A. Utkin, A. M. Shelekhov in Journal of Mathematical Sciences (2011)

  15. No Access

    Article

    Nanostructuring and self-organization in cutting

    The nanoprocesses that accompany cutting as a result of self-organization are investigated. Means of improving the productivity in automated machining systems are outlined.

    Yu. G. Kabaldin, A. A. Prosolovich, E. G. Kolykhalova… in Russian Engineering Research (2011)

  16. No Access

    Article

    On the effects of growth and stabilization of dynamic spall strength under short-pulse actions

    Yu. V. Petrov, I. V. Smirnov, A. A. Utkin in Doklady Physics (2010)

  17. No Access

    Article

    Effects of strain-rate strength dependence in nanosecond load duration range

    On the basis of the structural-temporal approach, we explain the rapid increase in the spall strength and its stabilization in the nanosecond range of load duration, observed in several experiments. We give a ...

    Yu. V. Petrov, I. V. Smirnov, A. A. Utkin in Mechanics of Solids (2010)

  18. No Access

    Article

    Bulk plasmons in metal-insulator superlattices

    A simple model is proposed to describe the long-wavelength oscillations in metal-insulator super-lattices. In such structures, the frequency range of bulk plasmons is shown to expand substantially as compared ...

    V. V. Kurin, A. A. Utkin in Journal of Experimental and Theoretical Physics (2010)

  19. No Access

    Article

    Effective nonlinear susceptibility of a grained superconducting film

    The effective nonlinearity of a thin grained superconducting film is calculated theoretically. It is assumed that the film has the form of a continuous superconducting matrix with superconducting grained inclu...

    V. V. Kurin, A. A. Utkin in Journal of Experimental and Theoretical Physics (2008)

  20. No Access

    Article

    On differential-topological classification of curvilinear three-webs

    A. A. Utkin, A. M. Shelekhov in Journal of Mathematical Sciences (2007)

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