Zobrazeno 1 - 10
of 16
pro vyhledávání: '"Valeriy Kovylaev"'
Autor:
Vladimir Sokolovsky, A. P. Shapovalov, Viktor Moshchil, A. V. Shaternik, Paul Seidel, V. E. Shaternik, Tatiana Prikhna, Michael Eisterer, Valeriy Kovylaev, Semyon Ponomaryov, Vitaliy Romaka
Publikováno v:
IEEE Transactions on Applied Superconductivity. 28:1-7
The superconducting transition temperature of 140 nm ± 10 nm thin films on sapphire substrates, which were deposited by magnetron sputtering, was around 36 K. Using a magnetization technique, the film's critical current density was estimated as J C
Autor:
Viktor Moshchil, P. Figel, Semyon Ponomaryov, A. Ivasyshin, L. Javorska, Myroslav Karpets, Sergey Dub, T. Zimych, V. B. Sverdun, Orest Ostash, Jolanta Cyboroń, Valeriy Kovylaev, Alexandra Starostina, Patrick Chartier, Thierry Cabioc’h, V. Podgurska, T. B. Serbenyuk, Tatiana Prikhna, Vitaliy Romaka
Publikováno v:
Acta Physica Polonica A
Acta Physica Polonica A, Polish Academy of Sciences. Institute of Physics, 2018, 133 (4), pp.789-793. ⟨10.12693/APhysPolA.133.789⟩
Acta Physica Polonica A, Polish Academy of Sciences. Institute of Physics, 2018, 133 (4), pp.789-793. ⟨10.12693/APhysPolA.133.789⟩
International audience; The Ti3AlC2-, (Ti,Nb)3AlC2- and Ti2AlC-based materials turned out to be more resistant than Crofer JDAsteel in oxidizing atmosphere as 1000 h long tests at 600◦C have shown. But the amounts of oxygen absorbed bythe materials
Autor:
A. V. Shaternik, A. P. Shapovalov, Tobias Habisreuther, Christa Schmidt, G. E. Grechnev, Valeriy Kovylaev, Michael Eisterer, Artem Kozyrev, V. E. Shaternik, Wilfried Goldacker, Myroslav Karpets, Vladimir Sokolovsky, Vladimir Sverdun, Harald W. Weber, Viktor Moshchil, Viktor Boutko, A. A. Gusev, Tatiana Prikhna, Vitaliy Romaka
Publikováno v:
IEEE Transactions on Applied Superconductivity. 27:1-5
This paper describes the established correlations between the characteristics of MgB2-based superconducting materials and their structural features, in particular the oxygen distribution and content. As indicated by SEM and Auger analysis, a sizeable
Autor:
Vladimir Sokolovsky, Wilfried Goldacker, Valeriy Kovylaev, Artem Kozyrev, Wolfgang Gawalek, Min Zhi Wu, Tatiana Prikhna, Athanasios G. Mamalis, Harald W. Weber, Vladimir Sverdun, Nina Sergienko, Michael Eisterer, Myroslav Karpets, Viktor Moshchil, Victor M. Meerovich, Tatiana Basyuk
Publikováno v:
Materials Science Forum. 856:32-37
Fault current limiters (FCL) require superconducting (SC) materials which can provide a definite rate of response to a fault event resulting in the SC – normal state reversible transition. The main characteristics determined the material suitabilit
Autor:
M. G. Loshak, Valeriy Kovylaev, V. B. Muratov, V. B. Sverdun, Viktor Moshchil, Vladislav Domnich, O. O. Vasiliev, Myroslav Karpets, Richard A. Haber, P. P. Barvitskiy, Tatiana Prikhna, Sergey Dub
Publikováno v:
Proceedings of the 41st International Conference on Advanced Ceramics and Composites
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::b61e07c2099e69956d9a3ce8f0274bf1
https://doi.org/10.1002/9781119474678.ch19
https://doi.org/10.1002/9781119474678.ch19
Autor:
V. B. Sverdun, Myroslav Karpets, Olexandra Starostina, Tatiana Prikhna, Patrick Chartier, Orest Ostash, M. G. Loshak, Valeriy Kovylaev, Thierry Cabioc’h, Tetyana Basyuk, Andriy Ivasyshyn, Artem Kozyrev, Viktor Moshchil, Sergey Dub, Viktoriya Podgurska
Publikováno v:
Solid State Phenomena. 230:140-143
The mechanical properties and temperature stability in air and hydrogen of the highly dense (ρ=4.27 g/cm3, porosity 1 %) material based on nanolaminated MAX phase Ti3AlC2 (89 % Ti3AlC2, 6 % TiC, 5 % Al2O3) manufactured by hot pressing (at 30 MPa) ha
Autor:
Vladimir Sverdun, Myroslav Karpets, Viktor Moshchil, Harald W. Weber, Tatiana Prikhna, Valeriy Kovylaev, Wilfried Goldacker, Artem Kozyrev, Wolfgang Gawalek, A. V. Shaternik, Michael Eisterer, Tatiana Basyuk, Vladimir Sokolovsky
Publikováno v:
IEEE Transactions on Applied Superconductivity. 25:1-4
MgB 2 -based bulk materials synthesized under 30 MPa-2 GPa pressure demonstrated an enhanced connectivity A F ~50%-98%,as compared tomostother reports (below50%), and a shielding fraction of 75%-100%. The materials inhibit high critical current densi
Autor:
Viktor Moshchil, Tatiana Prikhna, A. V. Shaternik, Christa Schmidt, Evangelos Hristoforou, Artem Kozyrev, Vladimir Sverdun, Harald W. Weber, Valeriy Kovylaev, Elena Prisyazhnaya, Nina Sergienko, Xavier Chaud, Wilfried Goldacker, Wolfgang Gawalek, Alexander Borimskiy, Athanasios G. Mamalis, Michael Eisterer, Doris Litzkendorf, Sergey Dub, Jan Dellith, Jacques G. Noudem, Tobias Habisreuther, Vladimir Sokolovsky
Publikováno v:
Materials Science Forum. 792:21-26
The high pressure (50 MPa - 2 GPa) – high temperature synthesized MgB2 bulk materials are characterized by nearly theoretical density (1-2% porosity), 80-98% connectivity, extremely high critical current densities (e.g. at 20 K, in 0–1 T jc=1.3
Autor:
Viktor Moshchil, Tatiana Prikhna, T. Habisreuther, Valeriy Kovylaev, V. B. Sverdun, Artem Kozyrev, Michael Eisterer, H. W. Weber, A. V. Shaternik, Myroslav Karpets, Alexandr Borimskiy, Xavier Chaud, Wolfgang Gawalek, Tetyana Basyuk
Publikováno v:
Solid State Phenomena
Solid State Phenomena, Trans Tech Publications Ltd 2013, 200, pp.137-143. ⟨10.4028/www.scientific.net/SSP.200.137⟩
Solid State Phenomena, Trans Tech Publications Ltd 2013, 200, pp.137-143. ⟨10.4028/www.scientific.net/SSP.200.137⟩
The superconducting characteristics, such as the critical current density and the critical magnetic fields, of MgB2-based materials, which in fact belong to the Mg-B-O system because of the high concentration of admixed oxygen (up to 17 wt. %), depen
Autor:
Viktor Moshchil, Artem Kozyrev, Roman Kuznietsov, Michael Tomsic, Doris Litzkendorf, Alexandr Borimskiy, Michael Eisterer, Christa Shmidt, Vladimir Sokolovsky, Wolfgang Gawalek, V. N. Tkach, Harald W. Weber, Myroslav Karpets, Jan Dellith, F. Karau, Jacques G. Noudem, Valeriy Kovylaev, U. Dittrich, Mykola Monastyrov, Tatiana Prikhna
Publikováno v:
Physica C: Superconductivity
Physica C: Superconductivity, North-Holland, 2012, 479, pp.111-114. ⟨10.1016/j.physc.2012.01.004⟩
Physica C: Superconductivity, 2012, 479, pp.111-114. ⟨10.1016/j.physc.2012.01.004⟩
Physica C: Superconductivity, North-Holland, 2012, 479, pp.111-114. ⟨10.1016/j.physc.2012.01.004⟩
Physica C: Superconductivity, 2012, 479, pp.111-114. ⟨10.1016/j.physc.2012.01.004⟩
International audience; Increasing the pressure during manufacturing MgB2 enhances the volume pinning force and moves the position of the maximum to higher magnetic fields. A similar shift was observed when Ti or SiC was added and the maximum of the