Zobrazeno 1 - 10
of 941
pro vyhledávání: '"A Z, Valiev"'
Autor:
Guoliang Shuai, Meng Zhang, Zhen Li, Ruslan Z. Valiev, Andrey E. Medvedev, Diantao Zhang, Maged Elhefnawey, Feng Chen, Li Li
Publikováno v:
International Journal of Lightweight Materials and Manufacture, Vol 6, Iss 4, Pp 552-562 (2023)
The new conductive Al–Fe alloy (AA8176) is used in power transmission due to its high electrical conductivity. As a non-agе-hardenable alloy, Al–Fe alloy is not a subject for the strength improvement. So, Equal-channel Angular Pressing (ECAP) is
Externí odkaz:
https://doaj.org/article/dccb31f326c54c07a7f6a1ad1c4be370
Autor:
Sadjad Baradari, Natalia Resnina, Sergey Belyaev, Egor Prokofiev, Ruslan Z. Valiev, Mahmoud Nili-Ahmadabadi
Publikováno v:
Journal of Materials Research and Technology, Vol 19, Iss , Pp 2215-2224 (2022)
A newly developed quaternary Ni44.8Cu5Ti45.2Hf5 shape memory alloy (SMA) was processed by high-pressure torsion (HPT) for five turns under a pressure of 6 GPa at room temperature and then subjected to post deformation annealing (PDA) at 450 °C for 1
Externí odkaz:
https://doaj.org/article/52adf4ba4b7a460c82f161982078e504
Autor:
Zuzanka Trojanová, Kristýna Halmešová, Zdeněk Drozd, Ján Džugan, Ruslan Z. Valiev, Pavel Podaný
Publikováno v:
Journal of Materials Research and Technology, Vol 19, Iss , Pp 3498-3506 (2022)
The thermal expansion properties of the Ti6Al4V alloy deposited with direct energy subjected to severe plastic deformation through ECAP were studied in the temperature region 23–700 °C. The deposit samples exhibited two orientations: with the long
Externí odkaz:
https://doaj.org/article/c517044ef6754b8e8d375e39fea76960
Autor:
Kaveh Edalati, Andrea Bachmaier, Victor A. Beloshenko, Yan Beygelzimer, Vladimir D. Blank, Walter J. Botta, Krzysztof Bryła, Jakub Čížek, Sergiy Divinski, Nariman A. Enikeev, Yuri Estrin, Ghader Faraji, Roberto B. Figueiredo, Masayoshi Fuji, Tadahiko Furuta, Thierry Grosdidier, Jenő Gubicza, Anton Hohenwarter, Zenji Horita, Jacques Huot, Yoshifumi Ikoma, Miloš Janeček, Megumi Kawasaki, Petr Král, Shigeru Kuramoto, Terence G. Langdon, Daniel R. Leiva, Valery I. Levitas, Andrey Mazilkin, Masaki Mito, Hiroyuki Miyamoto, Terukazu Nishizaki, Reinhard Pippan, Vladimir V. Popov, Elena N. Popova, Gencaga Purcek, Oliver Renk, Ádám Révész, Xavier Sauvage, Vaclav Sklenicka, Werner Skrotzki, Boris B. Straumal, Satyam Suwas, Laszlo S. Toth, Nobuhiro Tsuji, Ruslan Z. Valiev, Gerhard Wilde, Michael J. Zehetbauer, Xinkun Zhu
Publikováno v:
Materials Research Letters, Vol 10, Iss 4, Pp 163-256 (2022)
Severe plastic deformation (SPD) is effective in producing bulk ultrafine-grained and nanostructured materials with large densities of lattice defects. This field, also known as NanoSPD, experienced a significant progress within the past two decades.
Externí odkaz:
https://doaj.org/article/82ba15537871424c844254efc42536dc
Autor:
Nguyen Q. Chinh, Maxim Yu Murashkin, Elena V. Bobruk, János L. Lábár, Jenő Gubicza, Zsolt Kovács, Anwar Q. Ahmed, Verena Maier-Kiener, Ruslan Z. Valiev
Publikováno v:
Materials Research Letters, Vol 9, Iss 11, Pp 475-482 (2021)
The important benefits of ultrafine-grained (UFG) alloys for various applications stem from their enhanced superplastic properties. However, decreasing the temperature of superplasticity and providing superplastic forming at lower temperatures and hi
Externí odkaz:
https://doaj.org/article/ed313bc533c94965a19846759eab24cb
Autor:
Gennadiy V. Klevtsov, Ruslan Z. Valiev, Natal’ya A. Klevtsova, Maksim N. Tyurkov, Irina N. Pigaleva, Denis A. Aksenov
Publikováno v:
Metals, Vol 13, Iss 4, p 709 (2023)
In this paper, the fracture kinetics and mechanisms in the low-cycle fatigue region were analyzed for different ultrafine-grained (UFG) materials with body-centered cubic (bcc), hexagonal close-packed (hcp) and face-centered cubic (fcc) lattices. Thr
Externí odkaz:
https://doaj.org/article/c96ddefb1c034ec6926e280274ad6318
Publikováno v:
Crystals, Vol 13, Iss 3, p 413 (2023)
Strengthening by grain refinement via the Hall–Petch mechanism and softening by nanograin formation via the inverse Hall–Petch mechanism have been the subject of argument for decades, particularly for ultrafine-grained materials. In this study, t
Externí odkaz:
https://doaj.org/article/13281791e54748659812504d57b7498c
Autor:
Irina P. Semenova, Alexander V. Polyakov, Mikhail V. Pesin, Andrey G. Stotskiy, Yulia M. Modina, Ruslan Z. Valiev, Terence G. Langdon
Publikováno v:
Metals, Vol 12, Iss 8, p 1345 (2022)
Grain reduction in a widely used Ti-6Al-4V alloy increases its endurance limit at room temperature. In this work, the behavior of the ultrafine-grained alloy under cyclic load at the temperature of 625 K is considered. Research was conducted to exami
Externí odkaz:
https://doaj.org/article/2461022feeec40e5b8c08ba529066433
Autor:
Roman R. Valiev, Konstantin S. Selivanov, Marina K. Smyslova, Yuri M. Dyblenko, Yana N. Savina, Ruslan Z. Valiev, Irina P. Semenova
Publikováno v:
Metals, Vol 12, Iss 5, p 818 (2022)
This paper presents the results of a comprehensive study of the erosive wear resistance, strength, and adhesive characteristics of the high-temperature structural titanium alloy Ti-5.7Al-3.8Mo-1.2Zr-1.3Sn (the Russian grade VT8M-1) with coarse-graine
Externí odkaz:
https://doaj.org/article/76be7993ea2f4682a39ab644ac7f6eef
Publikováno v:
Physical Mesomechanics. 26:1-6
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::c3ebba95036212cbb55e74ee1337420d
https://doi.org/10.1134/s1029959923010010
https://doi.org/10.1134/s1029959923010010