Zobrazeno 1 - 10
of 72
pro vyhledávání: '"A V Sandu"'
Publikováno v:
Open Ceramics, Vol 16, Iss , Pp 100441- (2023)
High density samples (92–94.5 %) of MgB2 were prepared by Spark Plasma Sintering (SPS). The on-off pulsed current patterns of SPS processing were 8–4, 12–2, 24–2, 99–1. Patterns with more on pulses favor formation of a higher amount of the
Externí odkaz:
https://doaj.org/article/2235f2814d6547afbf9ce6982f83cbfc
Autor:
P. Badica, A. Alexandru-Dinu, M. A. Grigoroscuta, M. Burdusel, G. V. Aldica, V. Sandu, C. Bartha, S. Polosan, A. Galatanu, V. Kuncser, M. Enculescu, C. Locovei, I. Porosnicu, I. Tiseanu, M. Ferbinteanu, I. Savulescu, M. Negru, N. D. Batalu
Publikováno v:
Scientific Reports, Vol 12, Iss 1, Pp 1-25 (2022)
Abstract Sesquipedalian mud and burnt bricks (second to third century AD) were excavated from the Roman city of Romula located in the Lower Danube Region (Olt county, Romania). Along with local soils, bricks are investigated by petrographic analysis,
Externí odkaz:
https://doaj.org/article/f23f2015e98a40c6bb6d0443828e3904
Autor:
M.A. Grigoroscuta, G.V. Aldica, M. Burdusel, V. Sandu, A. Kuncser, I. Pasuk, A.M. Ionescu, T.S. Suzuki, O. Vasylkiv, P. Badica
Publikováno v:
Journal of Magnesium and Alloys, Vol 10, Iss 8, Pp 2173-2184 (2022)
The paper presents fabrication and characterization of spark plasma sintered textured (001) MgB2 with a record degree of orientation of about 40% and 16% by high-energy ultra-sonication and slip casting in high magnetic field (12 T) and 0 T magnetic
Externí odkaz:
https://doaj.org/article/175401538fbd40cf96752dcf441948fe
Publikováno v:
Вестник СибАДИ, Vol 18, Iss 2, Pp 168-179 (2021)
Introduction. The problem of the shortage of energy-efficient restoration technologies makes it a priority to develop new technological equipment for the restoration of the rolling surfaces of railway wheels using highly concentrated energy sources.
Externí odkaz:
https://doaj.org/article/8f26932ab9d54ebba955f7edf25e2443
Publikováno v:
Scientific Reports, Vol 11, Iss 1, Pp 1-9 (2021)
Abstract An analysis of the field dependence of the pinning force in different, high density sintered samples of MgB2 is presented. The samples were chosen to be representative for pure MgB2, MgB2 with additives, and partially oriented massive sample
Externí odkaz:
https://doaj.org/article/4c16b0c24263460e931366bb4f12e568
Autor:
Vitaliy V. Savinkin, Andrey V. Sandu, Tatyana Yu. Ratushnaya, Petrica Vizureanu, Svetlana V. Kolisnichenko, Malik Sh. Omarov
Publikováno v:
Известия Томского политехнического университета: Инжиниринг георесурсов, Vol 332, Iss 2, Pp 229-244 (2021)
The relevance of the research is caused by the need to develop a scientifically-based design and technological system for efficient power redistribution across the executive elements of high-loaded equipment in accordance with the energy intensity of
Externí odkaz:
https://doaj.org/article/0b18b4109a11451b9a81efdd4a5c3ae9
Effect of polysilane addition on spark plasma sintering and superconducting properties of MgB2 bulks
Autor:
V. Sandu, G.V. Aldica, M.A. Grigoroscuta, M. Burdusel, I. Pasuk, Y.C. Ching, A.M. Ionescu, P. Badica
Publikováno v:
Ceramics International. 48:31914-31922
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::d394015f637a8bc2eb6a0f17c4cd96e2
https://doi.org/10.1016/j.ceramint.2022.07.127
https://doi.org/10.1016/j.ceramint.2022.07.127
Publikováno v:
Journal of Advanced Ceramics, Vol 6, Iss 3, Pp 251-261 (2017)
Abstract The specific dynamic magnetic response and magnetic relaxation phenomena in magnetite-based glass-ceramics by controlled crystallization of Fe-rich borosilicate glasses with 25 wt% Fe2O3, in the presence of two types of nucleating agents, Cr
Externí odkaz:
https://doaj.org/article/e2d915ba18fe4642af0529c6cb63c1fa
Autor:
A. M. Ionescu, G. Aldica, S. Popa, M. Enculescu, V. Sandu, I. Pasuk, M. Burdusel, M. A. Grigoroscuta, L. Miu, P. Badica
Publikováno v:
Journal of Superconductivity and Novel Magnetism. 35:3467-3476
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::afb85b8653439400f3f659e652db5b6d
https://doi.org/10.1007/s10948-022-06350-1
https://doi.org/10.1007/s10948-022-06350-1
Publikováno v:
Scientific Reports
An analysis of the field dependence of the pinning force in different, high density sintered samples of MgB2 is presented. The samples were chosen to be representative for pure MgB2, MgB2 with additives, and partially oriented massive samples. In som
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=pmid________::f85d7e66382e47bcd2388d7550ea32e4
https://pubmed.ncbi.nlm.nih.gov/33723293
https://pubmed.ncbi.nlm.nih.gov/33723293