Letters on Materials - journal on science of materials and solid state physics

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Editor in chief

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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Latest articles

A defective nanotube containing 5 and 8 -membered rings shows the highest adsorption capacity of 1.82 %wt/wt which is higher than the pristine nanotube and the adsorption capacity increases with %defect.

Room temperature hydrogen storage in defective single-walled carbon nanotubes: a molecular dynamics study

M. Garg, S. Ghosh, V. Padmanabhan

PDF Article

Year: 2021

Volume: 11 Issue: 3

Pages: 321-326

Computer modeling of the pressure welding process of cylindrical workpieces from heterophase nickel-based superalloys through an interlayer was carried out.Two combinations of materials to be welded were considered: I – cylinders of the same wrought EP975 nickel-based superalloys in the initial coarse-grained state were welded through an interlayer of EP975 with a fine-grained microstructure; II – cylinders of different kinds nickel-based alloys, including wrought alloy EP975 in a coarse-grained state and intermetallic alloy VKNA-25 with a single-crystal structure, were welded through an interlayer of EP975 alloy with a fine-grained microstructure of the microduplex type.
The distribution of equivalent, axial, radial, circumferential and shear components of stress and strain in the samples have been investigated. Analysis of the simulation results allows us to conclude that, in comparison to welding of the same name materials, when welding of different kinds materials, the radial, axial and circumferential stresses values increase. The maximum values area of shear stresses in the region of contact between the cylinders and the interlayer also increases. This factors combination allows us to conclude about more favorable pressure welding conditions for welding of different kinds alloys in comparison with the same name materials.

Computer simulation of pressure welding of heat resistant heterophase nickel-based superalloys specimens through an interlayer

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

PDF Article

Year: 2021

Volume: 11 Issue: 3

Pages: 254-260

The oxide layer in the zone of solid-phase joint (SPJ) of ultrafine-grained titanium alloy VT6. The observed oxide layer reduces the shear strength of the SPJ by more than 2 times.

Oxide surface layer and solid-phase weldability of titanium alloys

R.Y. Lutfullin, M.K. Mukhametrakhimov

PDF Article

Year: 2021

Volume: 11 Issue: 3

Pages: 363-366

Current issue

Selected papers

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

PDF Article

Year: 2018

Volume: 8 Issue: 4s

Pages: 510-516

Assembling of pseudo-graphene from grain boundaries with structural units 5-7.

Disclinations in polycrystalline graphene and pseudo-graphenes. Review

A.E. Romanov, M.A. Rozhkov, A.L. Kolesnikova

PDF Review

Year: 2018

Volume: 8 Issue: 4

Pages: 384-400

Microstructure and superplastic (SP) characteristics of the alloy 1570C subjected to equal channel angular pressing (ECAP) at the temperature of 325°C and subsequent warm rolling (WR) at the same temperature and cold rolling (CR) at room temperature with reductions 86 and 80%, respectively, were compared.

Structure and Superplasticity of the Al-Mg-TM Alloy after Equal Channel Angular Pressing and Rolling

O. Sitdikov, E. Avtokratova, O. Latypova, M.V. Markushev

PDF Article

Year: 2018

Volume: 8 Issue: 4s

Pages: 561-566

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Journal metrics

Scopus

CiteScore 2020: 1.7

SCImago Journal Rank (SJR) 2020: 0.328

Source Normalized Impact per Paper (SNIP) 2020: 0.994

RSCI

Impact-Factor 2018: 0.790

Published articles: 861

Citations: 4400

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ОБЪЯВЛЕНИЕ о публичном конкурсе на лучшего рецензента года журнала «Письма о материалах»

Федеральное государственное учреждение Институт проблем сверхпластичности металлов извещает о проведении конкурса на лучшего рецензента 2019 года журнала «Письма о материалах»

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ОБЪЯВЛЕНИЕ о публичном конкурсе на лучшую научную статью года журнала «Письма о материалах»

Федеральное государственное учреждение Институт проблем сверхпластичности металлов извещает о проведении конкурса на лучшую научную статью 2019 года журнала «Письма о материалах».

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Regarding issue # 4 of 2019

Journal "Letters on Materials" announces that Issue # 4 of 2019 will be composed completely of papers written in English.

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About

Editor in chief

Special topics

Latest articles

Room temperature hydrogen storage in defective single-walled carbon nanotubes: a molecular dynamics study

Computer simulation of pressure welding of heat resistant heterophase nickel-based superalloys specimens through an interlayer

Oxide surface layer and solid-phase weldability of titanium alloys

Selected papers

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

Disclinations in polycrystalline graphene and pseudo-graphenes. Review

Structure and Superplasticity of the Al-Mg-TM Alloy after Equal Channel Angular Pressing and Rolling

Most viewed

Oxide surface layer and solid-phase weldability of titanium alloys

Experimental prediction of lead failure under tensile load using scanning contact potentiometry technique

Retraction notice to: “Effect of grain orientation on friction and wear behavior of AZ91 magnesium alloy” [Lett. Mater. 11(2) (2021) 135-139]

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