Zobrazeno 1 - 10
of 50
pro vyhledávání: '"Katerina Skotnicova"'
Autor:
Ondrej Zivotsky, Lucie Gembalova, Katerina Skotnicova, Ivo Szurman, Tomas Cegan, Jan Jurica, Ondrej Malina, Jakub Cizek
Publikováno v:
AIP Advances, Vol 14, Iss 1, Pp 015218-015218-5 (2024)
In this work, the quaternary Mn2FeSi0.5Al0.5 alloys are prepared for the first time in the form of cylinder-shaped ingots by traditional induction melting technique followed by homogenization annealing at 773 K for 100 h. The microstructural and magn
Externí odkaz:
https://doaj.org/article/878c432df2b44bb7adf18f4394fa7718
Autor:
Nataliya B. Kolchugina, Katerina Skotnicova, Aleksander A. Lukin, Gennadii S. Burkhanov, Ondrej Zivotsky, Miroslav Kursa, Nikolay A. Dormidontov, Pavel A. Prokofev, Yuri S. Koshkiďko, Tomas Cegan, Tatiana P. Kaminskaya, Boris A. Ginzburg
Publikováno v:
AIP Advances, Vol 9, Iss 12, Pp 125025-125025-5 (2019)
We have investigated the effect of HoH2 hydride addition on the hysteresis loop parameters of sintered Pr-Fe-Ti-Al-Cu-B magnets. The magnets were prepared by traditional powder metallurgy technology, and 3 wt.% HoH2 was added to the powder at the fin
Externí odkaz:
https://doaj.org/article/575cd3ba80d74384af5423d601ca72a7
Publikováno v:
Metals, Vol 11, Iss 1, p 62 (2020)
The present study investigated the effects of alloying and nano-reinforcement on the mechanical properties (microhardness, tensile strength, and compressive strength) of Mg-based alloys and composites. Pure Mg, Mg-3Sn alloy, and Mg-3Sn + 0.2 GNP allo
Externí odkaz:
https://doaj.org/article/cb81aa413f21476c9c54109c0f187972
Autor:
Tomas Cegan, Marek Pagac, Jan Jurica, Katerina Skotnicova, Jiri Hajnys, Lukas Horsak, Kamil Soucek, Pavel Krpec
Publikováno v:
Materials, Vol 13, Iss 19, p 4377 (2020)
The manufacturing route primarily determines the properties of materials prepared by additive manufacturing methods. In this work, the microstructural features and mechanical properties of 316 L stainless steel prepared by the selective laser method
Externí odkaz:
https://doaj.org/article/fc54c7ef6880474d9f2dfbf9574f963b
Autor:
Pavel A. Prokofev, Natalia B. Kolchugina, Katerina Skotnicova, Gennady S. Burkhanov, Miroslav Kursa, Mark V. Zheleznyi, Nikolay A. Dormidontov, Tomas Cegan, Anna S. Bakulina, Yurii S. Koshkidko, Bedřich Smetana
Publikováno v:
Materials, Vol 13, Iss 14, p 3049 (2020)
The wide application of Nd-Fe-B permanent magnets, in addition to rare-earth metal resource constraints, creates the necessity of the development of efficient technologies for recycling sintered Nd-Fe-B permanent magnets. In the present study, a magn
Externí odkaz:
https://doaj.org/article/02550a6eeb8c44deb1bbcf347a929088
Autor:
Natalia B. Kolchugina, Mark V. Zheleznyi, Aleksandr G. Savchenko, Vladimir P. Menushenkov, Gennadii S. Burkhanov, Yurii S. Koshkid’ko, Jacek Ćwik, Nikolai A. Dormidontov, Katerina Skotnicova, Miroslav Kursa, Pavel A. Prokofev
Publikováno v:
Crystals, Vol 10, Iss 6, p 518 (2020)
The Ce2Fe14B intermetallic, like Nd2Fe14B, has the tetragonal Nd2Fe14B-type structure (space group P42/mnm), in which Ce ions have a mixed-valence state characterized by the coexistence of trivalent 4f1 and tetravalent 4f0 electron states. Despite th
Externí odkaz:
https://doaj.org/article/8674aae189b14006bc3b8a4e0998ff1e
Publikováno v:
Molecules, Vol 25, Iss 8, p 2001 (2020)
The possibilities of metallurgical preparation of 40Nb-60Al and 15W-85Al intermetallic compounds (in at.%) by plasma arc melting (PAM) and vacuum induction melting (VIM) were studied. Both methods allow easy preparation of Nb–Al alloys; however, si
Externí odkaz:
https://doaj.org/article/d5e1467f91f447afb9ce246985f9ffbc
Autor:
Jiamei Li, Wenxian Li, Zhongrui Yu, Hongming Jin, Ying Li, Mingyuan Zhu, Yang Liu, Yibing Li, Katerina Skotnicova
Publikováno v:
Ceramics International. 45:19583-19595
Diluted magnetic semiconductors with the unique advantage of simultaneously manipulating the spin and charge of electrons possess potential applications in spintronics and quantum computing, which attracts long-term tremendous attention. It is pivota
Autor:
G. S. Burkhanov, Natalia B. Kolchugina, O. Zivotsky, Pavel A. Prokofev, Katerina Skotnicova, Tomáš Čegan, Miroslav Kursa, Alisia Hackemer, Henrik Drulis, Alexander A. Lukin, Yuri S. Koshkid’ko
Publikováno v:
Journal of Phase Equilibria and Diffusion. 40:403-412
In recent years, the grain-boundary diffusion (GBD) and grain-boundary restructuring processes used in manufacturing Nd-Fe-B magnets show promise as procedures that allow one to increase their hysteretic characteristics. The processes are realized by
Autor:
Yibing Li, Mingyuan Zhu, Jiamei Li, Wenxian Li, Yemin Hu, Muhammad Tariq, Hongming Jin, Yang Liu, Zhongrui Yu, Katerina Skotnicova, Ying Li
Publikováno v:
Advances in Manufacturing. 7:248-255
In this study, 2% Fe and 3% Al co-doped ZnO nanoparticles were synthesized using a hydrothermal method under high magnetic field (HMF). The influences of HMF on the structural, optical, and ferromagnetic properties of Fe and Al co-doped ZnO nanoparti