Current issue

Regular issue 11 (2) 2021

Distribution of temperature, effective strain, displacement of material points and microhardness shows that a 2.0-mm-length pin is preferable for friction stir processing of 2024 aluminum alloy sheet.

Effect of the length of the tool pin on the hardening of 2024 aluminum alloy under friction stir processing

A.K. Valeeva, A.K. Akhunova, D.B. Kabirova, M.F. Imayev, R.F. Fazlyakhmetov

PDF Article

Year: 2021

Volume: 11 Issue: 2

Pages: 119-124

Journal section: Materials processing and applications

Corrosion-aggressive environment (sea water) repeatedly (from 2.5 to 9.5 times) reduces the durability of ropes. The lubricants L8 and L7 provided maximum rope endurance in normal conditions, but in seawater exposure trials showed the worst results.

Influence of the lubricant on the endurance of steel ropes operating in corrosive environments

V.Y. Sholom, O.L. Kramer, V.P. Golovin, O.P. Kornilova, A.N. Abramov, R.F. Vagapov

PDF Article

Year: 2021

Volume: 11 Issue: 2

Pages: 125-128

Journal section: Structure design and analysis

Displacement of the ferromagnetic film hysteresis loop when the system is heated.

Study the exchange bias field in ferromagnetic film on antiferromagnetic substrate

S.V. Belim

PDF Article

Year: 2021

Volume: 11 Issue: 2

Pages: 129-134

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

It shows the wear behavior of three different orientations (a) Basal, (b) Prismatic, and (c) Pyramidal for the AZ91 magnesium alloy.

Effect of grain orientation on friction and wear behavior of AZ91 magnesium alloy

M. Kumar

PDF Article

Year: 2021

Volume: 11 Issue: 2

Pages: 135-139

Journal section: Mechanical and physical properties of materials

SEM images of obtained (co)polymers samples and installation for measuring of thin film sensors conductivity as a function of air humidity.

Functionalized polyanilines: influence of the surface morphology on the electrophysical and sensory properties of thin films based on them

R.B. Salikhov, Y.N. Biglova, I.N. Mullagaliev, T.R. Salikhov, A.G. Mustafin

PDF Article

Year: 2021

Volume: 11 Issue: 2

Pages: 140-145

Journal section: Mechanical and physical properties of materials

In this work, models of a monolayer of pyrolyzed polyacrylonitrile containing pairs of metal atoms have been created. A complete optimization of the cluster geometry was carried out using the DFT method.

Computer simulation of a composite based on a monolayer of pyrolyzed polyacrylonitrile containing paired metal atoms Cu, Co, Ni, Fe

I.V. Zaporotskova, D.P. Radchenko, L.V. Kozhitov, S.V. Boroznin, N.P. Boroznina

PDF Article

Year: 2021

Volume: 11 Issue: 2

Pages: 146-151

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

Fuel cells are the most efficient means to directly convert stored chemical energy to usable electrical energy. Doped ceria is considered to be a promising electrolyte for intermediate temperature operation.

Features of electrical conductivity of complex Cu-Mn-ceria-based electrolytes

I.V. Zagaynov, S.V. Fedorov, O.S. Antonova

PDF Article

Year: 2021

Volume: 11 Issue: 2

Pages: 152-157

Journal section: Mechanical and physical properties of materials

The resulting model of the hysteresis loop provides a sufficiently high-quality approximation of the values of magnetic induction with an error not exceeding the measurement error, and its application doesn't require complex calculations or the development of a special computer program.

Model of the hysteresis loop of soft-magnetic amorphous alloys with the usage of a modified linear fractional function

V.Y. Vvedenskiy, E.N. Tokmakova

PDF Article

Year: 2021

Volume: 11 Issue: 2

Pages: 158-163

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

The reproduced exothermic effect in the temperature range 487-653K and endothermic at 1269K (1285K) for CaCu3-3хNi3хTi4O12(CaCu3Ti4-4хNi4хO12-δ) are observed on the DSC curves of the synthesized samples of both series, associated with thermal dissociation of CuO impurities.

Thermal behavior of Ni-doped CaCu3Ti4O12 ceramics

N.A. Zhuk, V.A. Belyy, E.U. Ipatova, T.K. Rocheva, I.V. Gruzdev, M.M. Ignatova

PDF Article

Year: 2021

Volume: 11 Issue: 2

Pages: 164-169

Journal section: Structure design and analysis

Effect of increasing nickel and molybdenum content in austenitic steel on thermal deformation conditions for achieving the peak strain

A.S. Tsvetkov, I.V. Teplukhina, A.V. Kosulnikova

PDF Article

Year: 2021

Volume: 11 Issue: 2

Pages: 170-174

Journal section: Mechanical and physical properties of materials

The coating structure obtained by electrospark treatment of titanium alloy Ti6Al4V in a mixture of titanium granules and tungsten carbide powder is represented by accumulations of WC particles in a titanium matrix. The WC accumulations were formed as a result of the ingress of large agglomerates of tungsten carbide powder particles into the discharge region.

Electrospark deposition of tungsten carbide powder on titanium alloy Ti6Al4V

A.A. Burkov, M.A. Kulik, V.O. Krutikova

PDF Article

Year: 2021

Volume: 11 Issue: 2

Pages: 175-180

Journal section: Structure design and analysis

Allocation of intermetallic phases in the material. Friction track and example of data recording of friction coefficient change.

Mapping wear modes of composite materials with intermetallic reinforcing based on antifrictional alloy of system Al-Sn-Cu

P.A. Bykov, I.E. Kalashnikov, L.I. Kobeleva, I.V. Katin, R.S. Mikheev

PDF Article

Year: 2021

Volume: 11 Issue: 2

Pages: 181-186

Journal section: Mechanical and physical properties of materials

The use of such lubricant SM6 (L6) in the manufacture of rope increases the durability of the rope at positive temperatures in relation to the unsmained rope by 2.2 times, and at a temperature of 60 degrees C the durability of the rope, soaked in this lubricant, lower than the unsubstuded (dry) rope.

Tests of low-temperature properties of rope lubricant

V.Y. Sholom, O.L. Kramer, V.P. Golovin, A.N. Abramov, R.F. Vagapov

PDF Article

Year: 2021

Volume: 11 Issue: 2

Pages: 187-191

Journal section: Experimental methods in materials research

Median –0.0011, average –0.0010, max. 0.2135, min. –0.1775, standard deviation 0.0705.

An accurate empirical formula for determining the density of heat-resistant nickel alloys

D.A. Tarasov, O.B. Milder, A.G. Tyagunov

PDF Article

Year: 2021

Volume: 11 Issue: 2

Pages: 192-197

Journal section: Mechanical and physical properties of materials

The structural-phase state and durometric characteristics of hypersonic metallization coatings made of falsely alloys "Fe-Al" in the initial state and after heat treatment was investigated. The heat treatment consisted in heating the coating samples to temperatures of 570, 620, 720, 820 and 920 °C, followed by holding for 5, 10 and 20 minutes and air cooling.

High-temperature heat treatment of hypersonic metallization coatings from pseudoalloy “Fe-Al”

A.N. Grigorchik, E.V. Astrashab, V.A. Kukareko, M.A. Belotserkovsky, A.V. Sosnovsky

PDF Article

Year: 2021

Volume: 11 Issue: 2

Pages: 198-203

Journal section: Structure design and analysis

The dependence of the melting temperature of Ti and TiAl nanoparticles on their diameter in vacuum and in Al matrix is studied by the method of molecular dynamics

Melting temperature of Ti and TiAl nanoparticles in vacuum and in Al matrix depending on their diameter: molecular dynamics study

G.M. Poletaev, A.A. Sitnikov, V.Y. Filimonov

PDF Article

Year: 2021

Volume: 11 Issue: 2

Pages: 204-208

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

Preliminary deformation leads to an increase in the recovery stress only at a stiffness, at which the recovery stresses was close to the value of the yield stress in non-deformed specimens.

Influence of preliminary straining on the recovery stress in TiNi shape memory alloy working element

A.V. Sibirev, S.P. Belyaev, N.N. Resnina

PDF Article

Year: 2021

Volume: 11 Issue: 2

Pages: 209-212

Journal section: Mechanical and physical properties of materials

Schematic representation of Fe-Rh/PVDF polymer composite fabrication.

Polymer Fe-Rh / PVDF multicaloric composite

A.A. Amirov, D.M. Yusupov, K.V. Sobolev

PDF Article

Year: 2021

Volume: 11 Issue: 2

Pages: 213-217

Journal section: Structure design and analysis

The nonmonotonic change in the properties of the alloy of the Cu-Cr-Zr system under SPD conditions is due to the peculiarity of the kinetics of precipitation-dissolution of particles of the second phases and the formation of a solid solution. This process is caused not only by diffusion but also by an additional SPD factor, which promotes particle size reduction.

Unusual kinetics of strain-induced diffusional phase transformations in Cu-Cr-Zr alloy

S.N. Faizova, D.A. Aksenov, I.A. Faizov, K.S. Nazarov

PDF Article

Year: 2021

Volume: 11 Issue: 2

Pages: 218-222

Journal section: Structure design and analysis

The strain rate significantly influence on the functional properties of the NiTi alloy. In some cases, the shape recovery curves during thermocycling are completely different.

Influence of the compression rate at various temperatures on the functional properties of the NiTi shape memory alloy

E.S. Ostropiko, A.Y. Konstantinov

PDF Article

Year: 2021

Volume: 11 Issue: 2

Pages: 223-228

Journal section: Mechanical and physical properties of materials

Current issue

Effect of the length of the tool pin on the hardening of 2024 aluminum alloy under friction stir processing

Influence of the lubricant on the endurance of steel ropes operating in corrosive environments

Study the exchange bias field in ferromagnetic film on antiferromagnetic substrate

Effect of grain orientation on friction and wear behavior of AZ91 magnesium alloy

Functionalized polyanilines: influence of the surface morphology on the electrophysical and sensory properties of thin films based on them

Computer simulation of a composite based on a monolayer of pyrolyzed polyacrylonitrile containing paired metal atoms Cu, Co, Ni, Fe

Features of electrical conductivity of complex Cu-Mn-ceria-based electrolytes

Model of the hysteresis loop of soft-magnetic amorphous alloys with the usage of a modified linear fractional function

Thermal behavior of Ni-doped CaCu3Ti4O12 ceramics

Effect of increasing nickel and molybdenum content in austenitic steel on thermal deformation conditions for achieving the peak strain

Electrospark deposition of tungsten carbide powder on titanium alloy Ti6Al4V

Mapping wear modes of composite materials with intermetallic reinforcing based on antifrictional alloy of system Al-Sn-Cu

Tests of low-temperature properties of rope lubricant

An accurate empirical formula for determining the density of heat-resistant nickel alloys

High-temperature heat treatment of hypersonic metallization coatings from pseudoalloy “Fe-Al”

Melting temperature of Ti and TiAl nanoparticles in vacuum and in Al matrix depending on their diameter: molecular dynamics study

Influence of preliminary straining on the recovery stress in TiNi shape memory alloy working element

Polymer Fe-Rh / PVDF multicaloric composite

Unusual kinetics of strain-induced diffusional phase transformations in Cu-Cr-Zr alloy

Influence of the compression rate at various temperatures on the functional properties of the NiTi shape memory alloy

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