Search Results - "Kraposhin, V."
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Structural Model of Phase Transitions in Manganese Determined by the Closest Spiral Packing of Tetrahedrons
Published in Metal science and heat treatment (01-05-2023)“…A single structural model for the experimentally determined succession of phase transitions between cubic α-, β-, γ- and δ-modifications of Mn, in which the…”
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2
Spiral Substructures of Nanowires Determined by the Universal Building Unit (Tetrablock)
Published in Metal science and heat treatment (01-09-2024)“…On the example of linear substructures of Mn modifications, we show two types of spirals formed by tetrablocks assembled along their sides, namely,…”
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3
A Structural Model of Transition of Cubic α-Mn Into a Hexagonal Modification Based on Noncrystallographic Symmetry of Clusters
Published in Metal science and heat treatment (01-05-2024)“…A structural model of the transformation of cubic α-Mn into high-pressure hexagonal close-packed ε -Mn phase is suggested. The model is based on the…”
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4
Polymer Model of a Close-Packed Metallic Melt
Published in Metal science and heat treatment (01-03-2024)“…A structural model of metallic melts is suggested on the basis of the structures of all modifications of Mn. The model is based on spirals of tetrablocks,…”
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5
Helical Substructures of Close-Packed Metals Determined by a Universal Building Unit (Tetrablock)
Published in Metal science and heat treatment (01-07-2022)“…The article considers linear substructures of close-packed metals represented by helical packings of universal building units (tetrablocks) united over faces,…”
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6
Symmetry-Possible Intergrowth of Graphite and Diamond in Metallic Matrix
Published in Metal science and heat treatment (01-03-2022)“…A model of intergrowth of graphite and diamond in a metallic matrix based on existence of generating clusters of tetracoordinated structures representing…”
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Assembly of Structural-Type R2T17 from a Universal Building Unit
Published in Metal science and heat treatment (01-09-2022)“…To develop their previous results, the authors demonstrated that the structural-type phases Th 2 Ni 17 and Th 2 Zn 17 may be represented as the densest helical…”
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8
Numerical algorithm based on regularized equations for incompressible flow modeling and its implementation in OpenFOAM
Published in Computer physics communications (01-02-2022)“…•QHD, or regularized hydrodynamic equations for viscous incompressible flow and associated numerical algorithm are described.•The semi-implicit approximation…”
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9
Representation of the Structural Types of Copper, Diamond and Tungsten in Terms of a Universal Building Unit
Published in Metal science and heat treatment (01-03-2021)“…The structural types of copper, diamond and tungsten are represented by a linear union of four tetrahedrons over faces within solution of a general problem of…”
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10
Arrangement of Atoms of Interstitial Impurity in the Crystal Lattice of Iron Austenite and Mechanism of their Diffusion Jump
Published in Metal science and heat treatment (01-09-2023)“…A model of the arrangement of atoms of interstitial impurity in iron austenite is developed, according to which an introduction of an interstitial impurity…”
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11
Microtwinning as a common mechanism for the martensitic and pearlitic transformations
Published in Journal of alloys and compounds (15-11-2013)“…► Diagonal flipping in the coordination polyhedra was proposed as the main mechanism of polymorph transformation. ► Microtwinning of crystal lattice can be…”
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12
Problems of Development of Mim Technology in Russia as Applied to Production of Permanent Magnets
Published in Metal science and heat treatment (2020)“…Main problems arising in installation of novel processes of production of permanent magnets based on the Fe – Cr – Co and Sm – Co systems are presented. The…”
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13
Assembly of Structural Types of Frank–Kasper Phases Cr3Si, MgCu2 and MgZn2 from a Universal Building Unit
Published in Metal science and heat treatment (01-03-2021)“…An approach to description of the structural types of phases is suggested, in accordance with which the structural types A15, C15 and C14 of Frank–Kasper…”
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14
Mechanism of Nucleation of Precipitates of Carbides of Refractory Metals Under Hot Rolling of Automotive Sheet Steel
Published in Metal science and heat treatment (01-03-2020)“…The problem of formation of properties in microalloyed sheet steels is considered. The cause and the possible mechanism of precipitation of carbides of…”
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15
The Eulerian–Lagrangian Approach for the Numerical Investigation of an Acoustic Field Generated by a High-Speed Gas-Droplet Flow
Published in Fluids (Basel) (01-08-2021)“…This paper presents the Eulerian–Lagrangian approach for numerical modeling of high-speed gas-droplet flows and aeroacoustics. The proposed hybrid approach is…”
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16
Transfer of Diagonals in a Rhombus: Elementary Act of Polymorphic Transformation. Analysis of the Energy Threshold of Transformation in Metals
Published in Metal science and heat treatment (01-05-2020)“…We propose an atomistic description of polymorphic transformations in metal alloys, according to which an elementary act of transformation is reduced to the…”
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17
Control of the Quality of Soft Magnetic Nanocrystalline Alloys in Terms of the Value of Magnetic Impedance
Published in Metal science and heat treatment (01-07-2018)“…The possibility of the use of the effect of magnetic impedance as a criterion for estimating the homogeneity of potentially amorphous melt-quenched alloys and…”
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18
Contribution of the academician V.D. Sadovsky to studies of martensite transformation
Published in Journal of alloys and compounds (15-11-2013)“…► This is a tribute to late Russian Academician V. Sadovsky and his main scientific achievements. ► Transformations during heating of steels, restoration of…”
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Fabrication of Granulate from a Fe – Cr – Co Alloy with Reduced Cobalt Content for Synthesizing Permanent Magnets by the MIM Process
Published in Metal science and heat treatment (01-11-2020)“…The possibility of fabrication of granulate based on an alloy of the Fe – Cr – Co system with reduced (7 – 10%) cobalt content for synthesizing permanent…”
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20
Inhomogeneous Solid Solutions in Alloys of the Al – Cu – Li System: Possible Structure of Clusters
Published in Metal science and heat treatment (01-05-2019)“…Models of structure of plane Guinier–Preston zones in Al – Li and Al – Cu – Li systems are suggested. The models are based on the structural and phase…”
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