Zobrazeno 1 - 10
of 79
pro vyhledávání: '"A. V. Sandu"'
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:
The Annals of “Dunarea de Jos” University of Galati. Fascicle IX, Metallurgy and Materials Science, Vol 33, Iss 4 (2010)
This paper presents the obtaining and the characterization of ZnO doped vitroceramic, used as photo and termoresistive pigment for art mosaic. The coprecipitation involves two sequential steps, first of ions Zn2+(aq), Cr3+(aq), Co3+(aq) and Mn3+(aq),
Externí odkaz:
https://doaj.org/article/929ca481ff3543d1977e5a7b6a3c8ab8
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
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
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. 12
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, X-ray fl
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::80dfcb3cc5292f822da6b318c6e96ef9
https://doi.org/10.1038/s41598-022-19427-7
https://doi.org/10.1038/s41598-022-19427-7
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
Autor:
Gheorghe Aldica, M. Grigoroscuta, Stelian Popa, Iuliana Pasuk, A. Kuncser, M. Burdusel, V. Sandu, Adrian M. Ionescu, Petre Badica, Monica Enculescu
Publikováno v:
Superconductivity ISBN: 9783030233020
Dense samples with starting composition (MgB2)0.99(Tex(HoO1.5)y)0.01, x/y = 0/0, 0.73/027, 0.57/043, 0.4/0.6, 0.31/0.69, and 0.25/0.75 were processed by spark plasma sintering. Material is a bi-composite with a systematic microstructural change betwe
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::29af70c0672af307816f9c3d84e3bea4
https://doi.org/10.1007/978-3-030-23303-7_11
https://doi.org/10.1007/978-3-030-23303-7_11
Publikováno v:
Materials Research Innovations. 18:407-411
In order to study the effect of spark plasma sintering (SPS) technique synthesis SiC–MgB2 on the phase formation, the MgB2 and SiC–MgB2 bulks were fabricated with mixed powders by various SPS synthesis routes. The phase formation processes were i
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::0ce420f323568d90989e091ddd88cb3f
https://doi.org/10.1179/1433075x13y.0000000164
https://doi.org/10.1179/1433075x13y.0000000164