Search Results - "Lotkov, A.I."

Ti3Ni4 precipitation features in heat-treated grain / subgrain nanostructure in Ni-rich TiNi alloy by Poletika, T.M., Girsova, S.L., Lotkov, A.I.

“…The effect of the annealing temperature of a Ti-50.9 at.% Ni nanocrystalline alloy with an inhomogeneous grain/subgrain structure on Ti3Ni4 precipitation was…”
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EXTREMA OF ELASTIC PROPERTIES OF CUBIC CRYSTALS by Muslov, S.A, Lotkov, A.I, Arutyunov, S.D

“…As a rule, a discussion of physical properties of crystals is accompanied by far from simple mathematical calculations based on algebraic expressions in tensor…”
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THE INFLUENCE OF ISOTHERMAL LOADING-UNLOADING CYCLES ON INELASTIC PROPERTIES OF A TiNi-BASED ALLOY IN THE R2-PHASE STATE DURING BENDING DEFORMATION by Timkin, V.N, Grishkov, V.N, Lotkov, A.I, Zhapova, D.Yu

“…Using [Ti.sub.49.3][Ni.sub.50.7] (at.%) alloy specimens, the influence of mechanical cycling by the bend method on the values of shape memory and…”
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Extrema of Elastic Properties of Cubic Crystals by Muslov, S. A., Lotkov, A. I., Arutyunov, S. D.

“…As a rule, a discussion of physical properties of crystals is accompanied by far from simple mathematical calculations based on algebraic expressions in tensor…”
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Effect of Aging Treatment on R Transformation in Nanocrystalline Ti–50.9 at.% Ni Alloy by Girsova, S. L., Poletika, T. M., Bitter, S. M., Lotkov, A. I.

“…Effects of the size, morphology, and spatial distribution of coherent Ti 3 Ni 4 particles in a nanocrystalline Ti– 50.9 at.% Ni alloy with an inhomogeneous…”
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X-ray diffraction study of residual elastic stress and microstructure of near-surface layers in nickel-titanium alloy irradiated with low-energy high-current electron beams by Meisner, L.L., Lotkov, A.I., Ostapenko, M.G., Gudimova, E.Yu

“…•XRD analysis of structural phase states in NiTi near-surface layers after electron beam treatment was performed.•The residual stresses changes in modified…”
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Surface microstructure and B2 phase structural state induced in NiTi alloy by a high-current pulsed electron beam by Meisner, L.L., Ostapenko, M.G., Lotkov, A.I., Neiman, A.A.

“…•Structural states of B2 and B19′ phases in the modified NiTi surface zone were analyzed depending on beam energy density.•The surface structure was examined…”
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Calculation of Third-Order Elastic Constants of the Crystals of a TiNi-Based Alloy with Shape Memory by Muslov, S. A., Lotkov, A. I.

“…The numerical relationships between third-order elastic constants c ijk of the crystals of a TiNi-based alloy showing the shape memory effect are obtained for…”
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Cross-sectional TEM analysis of structural phase states in TiNi alloy treated by a low-energy high-current pulsed electron beam by Neiman, A.A., Meisner, L.L., Lotkov, A.I., Koval, N.N., Semin, V.O., Teresov, A.D.

“…•The TiNi melted layer is characterized by changing of chemical composition for the Ti enrichment.•Structure of the B2 phase in the modified zone has…”
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Calculation of the Parameters of Mechanical Properties of the Heart Muscle by Muslov, S. A., Lotkov, A. I., Arutyunov, S. D., Albakova, T. M.

“…A review of studies of the mechanical properties of human and animal heart tissues has been performed. On the basis of published data, a form of approximating…”
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Potential and Capabilities of Porous Silicon as a Material for Intravascular Drug-Eluting Stents: Brief Summary by Kashin, O. A., Krukovskii, K. V., Lotkov, A. I.

“…In search for a drug-containing material when creating polymer-free drug-eluting stents, an analysis of the available literature is carried out. It is shown…”
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Multistage Martensitic Transformations in Nanocrystalline Ti − 50.9 at.% Ni Alloy by Girsova, S. L., Poletika, T. M., Bitter, S. M., Lotkov, A. I., Kudryashov, A. N.

“…Specific features of the spatial distribution of Ti 3 Ni 4 particles in the inhomogeneous grain/subgrain structure of the nanocrystalline Ti − 50.9 at.% Ni…”
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Estimation of the Diffusion Coefficient of Doxorubicin Molecules in a Water Solution in the Volume of a Porous Carrier Medium by Shil’ko, E. V., Dudkin, I. V., Smolin, A. Yu, Krukovskii, K. V., Lotkov, A. I.

“…An experimental investigation of the phenomenon of diffusion of the solution components in nanosized pores is extremely difficult and in certain cases…”
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Physical nature of martensite transformations in B2-type Ti compounds and TiNi-based alloys by Lotkov, A.I., Baturin, A.A.

“…Thermoelastic martensite transformations in alloys based on titanium nickelide are a complex hierarchical process occurring at different structural scale…”
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The Special Features of the Phase Formation and Distribution in the Titanium Nickelide Surface Layers Treated by Electron Beams by Meisner, L. L., Ostapenko, M. G., Lotkov, A. I., Neyman, А. А.

“…The special features inherent in the formation of the structural-phase states on the surface of titanium nickelide samples subjected to multiple low-energy…”
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Formation of a SMC Structure Upon Warm Isothermal Deformation and its Influence on Martensitic Transformations in Titanium–Nickelide Based Alloys by Lotkov, A. I., Grishkov, V. N., Kashin, O. A., Baturin, A. A., Timkin, V. N., Zhapova, D. Yu

“…The evolution of the microstructure and the change in the martensitic transformation temperatures of the Ti 49.2 Ni 50.8 (at.%) alloy with increase of the…”
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Phase and Structural States Formed in Titanium Nickelide Subsurface Layers Exposed to High-Current Pulsed Electron Beams by Neyman, А. А., Meisner, L. L., Lotkov, A. I., Semin, V. О.

“…The behavior of the non-equilibrium states formed in the subsurface layers of a titanium nickelide-based alloy exposed to electron beams operated in the pulsed…”
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The surface alloying effect of silicon in a binary NiTi-base alloy on the corrosion resistance and biocompatibility of the material by Psakhie, S. G., Lotkov, A. I., Meisner, L. L., Meisner, S. N., Matveeva, V. A.

“…The corrosion resistance behavior and cytotoxicity of binary NiTi-base alloy specimens subjected to surface modification by silicon ion beams and the…”
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Possible role of crystal structure defects in grain structure nanofragmentation under severe cold plastic deformation of metals and alloys by Lotkov, A.I., Baturin, A.A., Grishkov, V.N., Kopylov, V.I.

“…The paper is a brief review of contemporary notions about the role of crystal structure defects in the formation of the submicrocrystalline and nano structural…”
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Symmetry of pretransition structures in alloys with a B2-type superstructure by Zolotukin, Yu. S., Lotkov, A. I., Klopotov, A. A., Grishkov, V. N.

“…Transformation properties of the order parameters—atomic displacements in the B 2 structure related to the wave vectors of the 1/3〈110〉 and 1/3〈111〉 type,…”
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