Letters on Materials

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Dr., Corr. member of RAS
Radik R. Mulyukov

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ISSN 2218-5046 (print)
ISSN 2410-3535 (online)

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Letters on Materials

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Two deformation temperatures and two strain rates were selected upon the initial measurement of thermal stability and dependence of m-parameter on strain rate and temperature. Evolution of m-parameter during the tensile tests was measured thank to the periodical switching of the strain rate.

Superplastic deformation of fine-grained AE42 and LAE442 magnesium alloys

P. Minárik, T. Vávra, J. Strásky, B. Hadzima, R. Král

PDF Article

Year: 2018

Volume: 8 Issue: 4s

Pages: 538-542

ECAP-processed Zn-22Al and Zn-0.3Al alloys were subjected to long-term natural aging up to 1100 days to evaluate the effect of long-term natural aging on their microstructures and superplastic behaviors. Decrease in the maximum elongation of Zn-22Al alloy is quite low comparing to its ECAP-processed condition while Zn-0.3Al alloy loses more than half of its superplastic elongation at the end of the natural aging.

Effect of long-term natural aging on microstructure and room temperature superplastic behavior of UFG/FG Zn-Al alloys processed by ECAP

M. Demirtas, H. Yanar, G. Purcek

PDF Article

Year: 2018

Volume: 8 Issue: 4s

Pages: 532-537

Fundamental and applied researches in the field of superplasticity and related phenomena have always been extensively carried out at the Institute for Metals Superplasticity Problems of the Russian Academy of Sciences (IMSP RAS)

Current achievements on superplasticity and related phenomena at the Institute for Metals Superplasticity Problems

R.R. Mulyukov, A.A. Nazarov, R.M. Imayev

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Year: 2018

Volume: 8 Issue: 4s

Pages: 510-516

Current issue

Selected papers

A method for the construction of initial atomic models of nanocrystals with extrinsic dislocations in grain boundaries for molecular dynamics simulations is developed. The method is used to determine atomic structures and energies of grain boundaries in columnar f.c.c. nanocrystals with [112] column axis.

A method for the construction of initial structures for molecular dynamics simulations of nanocrystals with nonequilibrium grain boundaries containing extrinsic dislocations

A.A. Nazarov, R.T. Murzaev

PDF Article

Year: 2018

Volume: 8 Issue: 1

Pages: 5-10

The recrystallization mechanism after ECP was deduced to be similar to that operating during conventional static annealing. The microstructural changes were explained in terms of Joule heating and similar observations for static recrystallization.

Effect of electric-current pulses on structural changes in cold rolled copper at different initial temperatures

I.S. Valeev, A.K. Valeeva

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Year: 2018

Volume: 8 Issue: 1

Pages: 100-104

Oscillations of kinetic temperature in harmonic triangular lattice with random initial velocities.

Temperature oscillations in harmonic triangular lattice with random initial velocities

V. Kuzkin, V. Tsaplin

PDF Article

Year: 2018

Volume: 8 Issue: 1

Pages: 16-20

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Journal metrics

Scopus

CiteScore 2017: 1.08

SCImago Journal Rank (SJR) 2017: 0.289

Source Normalized Impact per Paper (SNIP) 2017: 0.848

RSCI

Impact-Factor 2017: 0.627

Published articles: 584

Citations: 2031

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Online publication of third issue in 2018

Third issue of the eighth volume was published online in August, 2018.

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Integration with ORCID

Letters on Materials launched integration with ORCID. ORCID provides a persistent identifier – an ORCID iD – that distinguishes you from other researchers and a mechanism for linking your research outputs and activities to your iD.

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About

Editor in chief

Special topics

Latest articles

Superplastic deformation of fine-grained AE42 and LAE442 magnesium alloys

Effect of long-term natural aging on microstructure and room temperature superplastic behavior of UFG/FG Zn-Al alloys processed by ECAP

Current achievements on superplasticity and related phenomena at the Institute for Metals Superplasticity Problems

Selected papers

A method for the construction of initial structures for molecular dynamics simulations of nanocrystals with nonequilibrium grain boundaries containing extrinsic dislocations

Effect of electric-current pulses on structural changes in cold rolled copper at different initial temperatures

Temperature oscillations in harmonic triangular lattice with random initial velocities

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Disclinations in polycrystalline graphene and pseudo-graphenes. Review

Effect of the hatching strategies on mechanical properties and microstructure of SEBM manufactured Ti-6Al-4V specimens

CALCULATION OF THE INFLUENCE OF PLASTIC DEFORMATION ON THE VALUE OF THERMOKINETIC EMF IN TiNi ALLOY

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