Zobrazeno 1 - 10
of 36
pro vyhledávání: '"Elena V. Bobruk"'
Publikováno v:
Materials, Vol 17, Iss 13, p 3311 (2024)
The last two decades have witnessed significant progress in the development of severe plastic deformation techniques to produce ultrafine-grained materials with new and superior properties. This review examines works and achievements related to the l
Externí odkaz:
https://doaj.org/article/65edd3c735ec4cd6b55f7a1e1fdd194a
Publikováno v:
Materials, Vol 17, Iss 3, p 585 (2024)
A homogenized, supersaturated AlZnMgZr alloy was processed via severe plastic deformation (SPD) using a high-pressure torsion (HPT) technique for different revolutions at room temperature to obtain an ultrafine-grained (UFG) microstructure. The micro
Externí odkaz:
https://doaj.org/article/c56fad90c81c4257ba265394cd3499bb
Publikováno v:
Materials, Vol 16, Iss 19, p 6593 (2023)
A supersaturated Al-4.8%Zn-1.2%Mg-0.14%Zr (wt%) alloy was processed by the equal-channel angular pressing (ECAP) technique at room temperature in order to obtain an ultrafine-grained (UFG) microstructure having an average grain size of about 260 nm.
Externí odkaz:
https://doaj.org/article/d0506d3656cf4f079d36ae3607343b23
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:
Elena V. Bobruk, Maxim Yu. Murashkin, Ilnar A. Ramazanov, Vil U. Kazykhanov, Ruslan Z. Valiev
Publikováno v:
Materials, Vol 16, Iss 2, p 727 (2023)
This study aims to achieve an ultrafine-grained (UFG) Al 2024 alloy superplasticity at temperatures lower than the traditional ones for commercial Al alloys (400–500 °C). The UFG structure with a mean grain size of 100 nm produced in the alloy by
Externí odkaz:
https://doaj.org/article/3d8f6a3adf6e44b08d0b95e7fa1bf7fb
Autor:
Elena V. Bobruk, Pavel D. Dolzhenko, Maxim Yu. Murashkin, Ruslan Z. Valiev, Nariman A. Enikeev
Publikováno v:
Materials, Vol 15, Iss 19, p 6983 (2022)
The paper reports on the features of low-temperature superplasticity of the heat-treatable aluminum Al-Mg-Si alloy in the ultrafine-grained state at temperatures below 0.5 times the melting point as well as on its post-deformation microstructure and
Externí odkaz:
https://doaj.org/article/9035431867e44b9d80b203e4335f1c3a
Autor:
Zizheng Song, Ranming Niu, Xiangyuan Cui, Elena V. Bobruk, Maxim Yu. Murashkin, Nariman A. Enikeev, Ji Gu, Min Song, Vijay Bhatia, Simon P. Ringer, Ruslan Z. Valiev, Xiaozhou Liao
Publikováno v:
Acta Materialia. 246:118671
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::bceaab4e9a4cf86b7847e35329089a12
https://doi.org/10.1016/j.actamat.2023.118671
https://doi.org/10.1016/j.actamat.2023.118671
Autor:
Nguyen Q. Chinh, Ruslan Z. Valiev, János L. Lábár, Moustafa El-Tahawy, Elena V. Bobruk, Jenő Gubicza, Maxim Yu. Murashkin
Publikováno v:
Journal of Materials Science. 55:16791-16805
An ultrafine-grained (UFG) Al-4.8%Zn-1.2%Mg-0.14%Zr (wt%) alloy was processed by high pressure torsion (HPT) technique and then aged at 120 and 170 °C for 2 h. The changes in the microstructure due to this artificial aging were studied by X-ray diff
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::b56f1d82d8590d4709afb0cf417889a6
https://doi.org/10.1007/s10853-020-05264-4
https://doi.org/10.1007/s10853-020-05264-4
Publikováno v:
Key Engineering Materials. 822:101-108
The tendency of the aluminum alloy D16 system Al-Cu-Mg to natural (NA) and artificial aging (AA) after hardening and high pressure torsion (HPT) under a pressure of 6 GPa at room temperature was studied using optical metallography, scanning electron
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::2a7133aa0cb5b217a7539e4b0a1e2d24
https://doi.org/10.4028/www.scientific.net/kem.822.101
https://doi.org/10.4028/www.scientific.net/kem.822.101
Publikováno v:
Key Engineering Materials. 822:94-100
The structure and properties of discs from cast coarse-grained D16 alloy have been investigated with the help of optical metallography and transmission electron microscopy, after the traditional heat treatment (HT) modes or subjected to high pressure
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::79b27ada17ce58b7e1e95dafcf947bea
https://doi.org/10.4028/www.scientific.net/kem.822.94
https://doi.org/10.4028/www.scientific.net/kem.822.94