Papers accepted for publication

Impact loading diagrams of layered samples

Features of manufactured and impact failure of a layered material based on Ti-6Al-4V alloy

A.A. Sarkeeva

Article

Journal section: Mechanical and physical properties of materials

A stress-strain state computer simulation of samples imitating bimetallic «disk-shaft» type parts for a gas turbine engine from dissimilar heat-resistant nickel-based superalloys during pressure welding with a shear was carried out. Two shaft motion schemes were considered: the shaft into the disk introduction, and the combination of the introduction and rotation of the shaft. It has been established that to obtain solid phase joint between the shaft and the disk, it is preferred to use pressure welding when the introduction and rotation of the shaft.

Computer simulation of pressure welding with a shear of samples from dissimilar nickel-based superalloys

A.K. Akhunova, V.A. Valitov, E.V. Galieva

Article

Journal section: Theory and computer simulations in materials science and condensed matter physics

Adding an intermediate layer between the surfaces to be welded provides better quality of ultrasonic welding.

Strength of copper joints obtained by ultrasonic welding using copper intermediate layers in different structure states

N.Y. Parkhimovich, N.R. Yusupova, A.A. Nazarov

Article

Journal section: Materials processing and applications

-A combined technology for deposition of protective coatings on a heat-resistant nickel alloy Inconel 718, combining methods of electro-spark deposition and magnetron sputtering, is proposed.
-Double-layer MS-ESA MoSiB/ZrSiB and CrAlSiB/ZrSiB coatings increase the oxidation resistance of the nickel alloy, respectively, by 12 and 40 times.

Improving the oxidation resistance of Inconel 718 high-temperature nickel alloy using combined surface engineering technologу

P. Kiryukhantsev-Korneev, A. Kudryashov, A. Sheveyko, A. Orekhov, E.A. Levashov

Article

Journal section: Structure design and analysis

Percolation effects are considered in the model of a one-dimensional Ising magnet of finite nanometer size with boundary conditions - dangling ends.

Percolation effects in quasi-one-dimensional Ising ragged magnet

D.V. Spirin, V.N. Udodov

Article

Journal section: Theory and computer simulations in materials science and condensed matter physics

$The fracture surface consisting of two parts featuring by low-temperature cleavage and hydrogen-assisted quasi-cleavage facets has been obtained. It is shown that the average misorientation angle of quasi-cleavage facets is 1.5 times lower than that of the cleavage ones.$

Quantitative comparison of cleavage and quasi-cleavage fracture surfaces in hydrogen embrittled low-carbon steel

E.D. Merson, V.A. Poluyanov, P.N. Myagkikh, D.L. Merson, A.Y. Vinogradov

Article

Journal section: Mechanical and physical properties of materials

$The summary energy expenditures for deformation of specimens of pipe steel of strength class X80 were determined basing on experimentally measured geometry of the 3D images of fractured specimens.$

Evaluation of energy parameters of fracture during drop weight tear tests based on the analysis of the geometry of the samples

D.E. Kaputkin, L.M. Kaputkina, A.G. Glebov, A.I. Abakumov

Article

Journal section: Mechanical and physical properties of materials

Dependences of the eddy current device readings α at different frequencies on the number of loading cycles N, measured within contact spots after contact fatigue tests of the cobalt-nickel-chromium PG-10K-01 coating

Features of eddy-current testing of the fatigue degradation of laser clad cobalt-nickel-chromium coating under contact loading

R.A. Savrai, L.K. Kogan, A.V. Makarov, N.N. Soboleva

Article

Journal section: Experimental methods in materials research

The figure shows the true stresses versus the true strains of the Zr-1% Nb alloy under tension at high strain rates. The inhomogeneous fields of equivalent strains obtained by computer simulation of high velocity tension of specimens have good agreement with experimental data.

Mechanical behavior of the Zr-1%Nb alloy at high strain rates and stress triaxiality from 0.33 to 0.5

N.V. Skripnyak, M.O. Chirkov

Article

Journal section: Mechanical and physical properties of materials

Dependence of magnetization magnetic field for films on temperature

Study of magnetic field influence on magnetization distribution in three-layer ferromagnetic-antiferromagnetic spin systems

S.V. Belim

Article

Journal section: Theory and computer simulations in materials science and condensed matter physics

Relative intensities of UV-Vis spectra of silicon biprismanes strongly depend on doping. In particular, doping with methyl radicals and fluorine atoms provides prevalent adsorption intensities of octagonal and hexagonal biprismanes, respectively.

The effect of doping on the electronic structure and optical properties of silicon biprismanes: DFT and TD-DFT studies

M. Salem, M.A. Gimaldinova, A.I. Kochaev, M.M. Maslov

Article

Journal section: Theory and computer simulations in materials science and condensed matter physics

The formation of free volume in grain boundaries and triple junctions during crystallization using nickel as an example is studied by the molecular dynamics method

Modeling the formation of free volume at grain boundaries and triple junctions during nickel crystallization

G.M. Poletaev, D.V. Novoselova, R.Y. Rakitin, A.S. Semenov

Article

Journal section: Theory and computer simulations in materials science and condensed matter physics

It is shown that the collective effects of the influence of the presence of thin magnetic
layers (with a reduced value of the magnetic anisotropy constant) in
a five-layer ferromagnet on the dynamics of domain walls is preserved at
the action of an external magnetic field, whereas when a DW moves along
inertia almost completely disappear. Chart of possible
scenarios of DW dynamics depending on its initial velocity and
the distance between two thin layers.

The effect of dissipation and an external magnetic field on the resonance dynamics of a domain wall in a five-layer ferromagnetic structure

A.M. Gumerov, E.G. Ekomasov, R.V. Kudryavtsev, M.I. Fakhretdinov

Article

Journal section: Theory and computer simulations in materials science and condensed matter physics

Change in surface morphology as a result of irradiation of the surface with UV radiation

Study of the effect of photooxidative processes on the surface morphology and physico-mechanical characteristics of biodegradable materials based on secondary polypropylene and chalk additives

R.B. Salikhov, M.V. Bazunova, T.R. Salikhov, A.A. Bazunova, V.P. Zakharov

Article

Journal section: Mechanical and physical properties of materials

When fluorinating 4-6-12 graphene layers two stable polymorphic varieties of fluorographene layers T1- or T3-type can be formed

Structure and electronic properties of 4-6-12 graphene layers functionalized by fluorine

M.B. Belenkov, V.M. Chernov

Article

Journal section: Theory and computer simulations in materials science and condensed matter physics

The Letter presents a detailed analysis of the isomerization and decomposition mechanisms of silabiprismanes. Their thermokinetic parameters in the Arrhenius law are determined, and estimations of their lifetimes at various temperatures are given.

Ab initio modeling of dynamic stability of silicon prismanes

M.A. Gimaldinova, A.I. Kochaev, M.M. Maslov

Article

Journal section: Theory and computer simulations in materials science and condensed matter physics

Algorithm for constructing full-atomic models of X- and T-shaped seamless junctions between single-walled carbon nanotubes

G.V. Savostyanov, D.S. Shmygin

Article

Journal section: Theory and computer simulations in materials science and condensed matter physics

Model potential for evaluating the transparency coefficient during tunneling of an electron with energy E through the Coulomb barrier of the target electron (r0 ~ 10-15 m, r1 >> r0)

The role of the electronic current component in the formation of a quasi-molecular state leading to the synthesis of elements

M.P. Kashchenko, N.M. Kashchenko

Article

Journal section: Theory and computer simulations in materials science and condensed matter physics

A feature of the bainitic structure formed upon slow continuous cooling of chromium-nickel-molybdenum steels containing 0.1-0.15% C is the complete absence of precipitates of the carbide phase. It has been shown that carbide-free bainite in such steels is a two-phase ferrite-austenitic structure and, at almost the same level of strength, has a higher level of toughness than steel with bainite containing carbide precipitates.

Carbide-free-bainite in low carbon construction steels

A.Y. Kaletin, J.V. Kaletina, M.A. Ryzhkov

Article

Journal section: Structure design and analysis

Laser induced periodic surface strictures (LIPSS) formed on titanium alloy VT6 (Ti6Al4V) surfaces after irradiation with fs-laser pulses (320 fs, 1030 nm)

Structural-phase state of near-surface layers of VT6 titanium alloy after femtosecond laser treatment

M.V. Zhidkov, N.A. Smirnov, J. Chen, S.I. Kudryashov, M.N. Yapryntsev

Article

Journal section: Structure design and analysis

About the temperature of polymorphic phase transformation of austenite into ferrite of 12% chromium steel

E.K. Nesterenko, A.S. Kudryavtsev, A.Y. Askinazi, N.B. Gromova, N.F. Drozdova

Article

Journal section: Structure design and analysis

Papers accepted for publication

Features of manufactured and impact failure of a layered material based on Ti-6Al-4V alloy

Computer simulation of pressure welding with a shear of samples from dissimilar nickel-based superalloys

Strength of copper joints obtained by ultrasonic welding using copper intermediate layers in different structure states

Improving the oxidation resistance of Inconel 718 high-temperature nickel alloy using combined surface engineering technologу

Percolation effects in quasi-one-dimensional Ising ragged magnet

Quantitative comparison of cleavage and quasi-cleavage fracture surfaces in hydrogen embrittled low-carbon steel

Evaluation of energy parameters of fracture during drop weight tear tests based on the analysis of the geometry of the samples

Features of eddy-current testing of the fatigue degradation of laser clad cobalt-nickel-chromium coating under contact loading

Mechanical behavior of the Zr-1%Nb alloy at high strain rates and stress triaxiality from 0.33 to 0.5

Study of magnetic field influence on magnetization distribution in three-layer ferromagnetic-antiferromagnetic spin systems

The effect of doping on the electronic structure and optical properties of silicon biprismanes: DFT and TD-DFT studies

Modeling the formation of free volume at grain boundaries and triple junctions during nickel crystallization

The effect of dissipation and an external magnetic field on the resonance dynamics of a domain wall in a five-layer ferromagnetic structure

Study of the effect of photooxidative processes on the surface morphology and physico-mechanical characteristics of biodegradable materials based on secondary polypropylene and chalk additives

Structure and electronic properties of 4-6-12 graphene layers functionalized by fluorine

Ab initio modeling of dynamic stability of silicon prismanes

Algorithm for constructing full-atomic models of X- and T-shaped seamless junctions between single-walled carbon nanotubes

The role of the electronic current component in the formation of a quasi-molecular state leading to the synthesis of elements

Carbide-free-bainite in low carbon construction steels

Structural-phase state of near-surface layers of VT6 titanium alloy after femtosecond laser treatment

About the temperature of polymorphic phase transformation of austenite into ferrite of 12% chromium steel

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