Zobrazeno 1 - 10
of 19
pro vyhledávání: '"Roman Karelin"'
Autor:
Anatoly Illarionov, Galymzhan Mukanov, Stepan Stepanov, Viktor Kuznetsov, Roman Karelin, Vladimir Andreev, Vladimir Yusupov, Andrei Korelin
Publikováno v:
Metals, Vol 14, Iss 5, p 497 (2024)
The evolution of microstructure, phase composition and physico-mechanical properties of the biocompatible Ti-39Nb-7Zr alloy (wt.%) after severe plastic deformation by rotary forging (RF) was studied using various methods including light optical micro
Externí odkaz:
https://doaj.org/article/f89efa772ed64a0d89f090c31f81c68d
Autor:
Roman Karelin, Victor Komarov, Vladimir Cherkasov, Irina Khmelevskaya, Vladimir Andreev, Vladimir Yusupov, Sergey Prokoshkin
Publikováno v:
Metals, Vol 13, Iss 11, p 1829 (2023)
The effect of quasi-continuous (QC) equal-channel angular pressing (ECAP) in various pre-aged states on the structure formation and mechanical and functional properties of a hyper-equiatomic titanium nickelide (TiNi) shape memory alloy is studied. QC
Externí odkaz:
https://doaj.org/article/86a0964ee7ae4d659aacc4b7dbb0da73
Autor:
Victor Komarov, Roman Karelin, Vladimir Cherkasov, Vladimir Yusupov, Grzegorz Korpala, Rudolf Kawalla, Ulrich Prahl, Sergey Prokoshkin
Publikováno v:
Metals, Vol 13, Iss 6, p 1099 (2023)
In the present work, the possibility of applying severe torsion deformation (STD) to a bulk near-equiatomic NiTi shape memory alloy in order to accumulate super-high strain and improve mechanical and functional properties was studied. STD was perform
Externí odkaz:
https://doaj.org/article/5745fd230f28453daaf66021b7ac6e22
Autor:
Victor Komarov, Roman Karelin, Irina Khmelevskaya, Vladimir Cherkasov, Vladimir Yusupov, Grzegorz Korpala, Rudolf Kawalla, Ulrich Prahl, Sergey Prokoshkin
Publikováno v:
Materials, Vol 16, Iss 2, p 511 (2023)
The effect of a promising method of performing a thermomechanical treatment which provides the nanocrystalline structure formation in bulk NiTi shape memory alloy samples and a corresponding improvement to their properties was studied in the present
Externí odkaz:
https://doaj.org/article/5d308f925c5e4f3691478bca2c5665d0
Autor:
Roman Karelin, Victor Komarov, Vladimir Cherkasov, Vladimir Yusupov, Sergey Prokoshkin, Vladimir Andreev
Publikováno v:
Materials, Vol 16, Iss 2, p 615 (2023)
In the present work, the possibility of manufacturing long-length TiNiHf rods with a lowered Hf content and a high-temperature shape memory effect in the range of 120–160 °C was studied. Initial ingots with 1.5, 3.0 and 5.0 at.% Hf were obtained b
Externí odkaz:
https://doaj.org/article/4897dd0d62de40ff83c0c1c166136770
Publikováno v:
Crystals, Vol 12, Iss 4, p 506 (2022)
The effect of post-deformation annealing (PDA) of nickel-enriched Ti-50.9 at.% Ni shape memory alloy deformed in various initially deformation-induced structure states on the structure and properties was studied. The phase composition, temperature ra
Externí odkaz:
https://doaj.org/article/e28037804e2d4050a2fe4f1e1e923f4f
Publikováno v:
Metal Working and Material Science. 24:66-75
Introduction. The deformation capacity of materials is one of the main mechanical characteristics that determine the possibility of its production using various technological processes for metal forming. Among intermetallic compounds, a special role
Autor:
Grzegorz Korpala, Ulrich Prahl, Roman Karelin, Rudolf Kawalla, Victor Komarov, Ivan Postnikov, V. S. Yusupov, Sergey Prokoshkin, I. Khmelevskaya
Publikováno v:
Transactions of the Indian Institute of Metals. 74:2419-2426
In the present work, flow curves of an equiatomic Ti–Ni shape memory alloy after deformation by compression in the temperature range from 100 to 900 °C at a strain rate of 1 s−1 and up to a true strain (e) of 0.9 were obtained. The phase composi
Autor:
I. Yu. Khmelevskaya, M. M. Perkas, V. A. Andreev, Victor Komarov, V. S. Yusupov, Sergey Prokoshkin, Roman Karelin
Publikováno v:
Journal of Materials Engineering and Performance. 30:3096-3106
The effect of equal-channel angular pressing (ECAP) in quasi-continuous mode on the structure formation and mechanical and functional properties of a near-equiatomic Ti-Ni shape memory alloy (SMA) was studied in this work. ECAP with channel intersect
Autor:
Victor Komarov, I. Khmelevskaya, Sergey Prokoshkin, V. S. Yusupov, Grzegorz Korpala, Ulrich Prahl, Roman Karelin, Rudolf Kawalla
Publikováno v:
JOM. 73:620-629
The deformation behavior, microstructure, phase composition, and mechanical and functional properties of Ti-50.9 at.%Ni shape memory alloy during uniaxial compression in the temperature range from 25°C to 1000°C have been analyzed and are discussed