Zobrazeno 1 - 10
of 217
pro vyhledávání: '"Obradović Nina"'
Autor:
Kosanović Darko, Blagojević Vladimir A., Aleksić Stanko O., Živojinović Jelena, Peleš-Tadić Adriana, Pavlović Vladimir B., Obradović Nina
Publikováno v:
Science of Sintering, Vol 55, Iss 3, Pp 413-423 (2023)
BZT ceramics was prepared by using fine powder mixture of BaCO3, TiO2 and ZrO2 in the respective molar ratio to form Ba(Zr0.10Ti0.90)O3 via solid state reaction at elevated temperature. The prepared BZT was milled in the planetary ball mill from 0
Externí odkaz:
https://doaj.org/article/164f252ba25e44589a1839f288b42c91
Autor:
Živojinović Jelena A., Peleš-Tadić Adriana P., Kosanović Darko A., Filipović Suzana Ž., Stanković Ana V., Obradović Nina N.
Publikováno v:
Tehnika, Vol 78, Iss 4, Pp 395-400 (2023)
The authors investigated the influence of mechanical activation on the structure of SrTiO3 mixture with 6 wt.% Fe2O3. Powders were mechanically activated in a planetary ball mill with WC balls in time intervals from 0 to 120 minutes. XRD method was u
Externí odkaz:
https://doaj.org/article/7771917eee914485af1cbdb04002934d
Autor:
Obradović Nina, Filipović Suzana, Fahrenholtz William G., Marinković Bojan A., Rogan Jelena, Lević Steva, Đorđević Antonije, Pavlović Vladimir B.
Publikováno v:
Science of Sintering, Vol 55, Iss 1, Pp 1-10 (2023)
Magnesium aluminate has the spinel structure along with good mechanical, chemical, and thermal properties. Magnesium aluminate has a wide range of applications including refractory ceramics, optically transparent ceramic windows, and armors. Its l
Externí odkaz:
https://doaj.org/article/a5030a79e9754ebaa4ab81c5f195d699
Autor:
Popović Mina, Veličković Zlate S., Bogdanov Jovica, Marinković Aleksandar D., Casas-Luna Mariano, Trajković Isaak, Obradović Nina, Pavlović Vladimir
Publikováno v:
Science of Sintering, Vol 54, Iss 1, Pp 105-124 (2022)
In this study, the structure, morphology and composition of the synthesized magnetite/3D-printed wollastonite (3D_W/M) composite were characterized, and its adsorption performance with respect to As(V) and Cr(VI) were studied. Magnetite (MG) modif
Externí odkaz:
https://doaj.org/article/e1caa787d27a46e88e31eeae216796c1
Autor:
Obradović Nina, Fahrenholtz William G., Filipović Suzana, Corlett Cole, Đorđević Pavle, Rogan Jelena, Vulić Predrag J., Buljak Vladimir, Pavlović Vladimir
Publikováno v:
Science of Sintering, Vol 51, Iss 4, Pp 363-376 (2019)
Single phase MgAl2O4 was made from a one-to-one molar ratio of MgO and Al2O3 powders mixed using ball-milling. Mixtures of MgO and Al2O3 were subsequently treated in planetary ball mill for 30, 60, 90 and 120 minutes in air. The aim of this study
Externí odkaz:
https://doaj.org/article/9f168e8592ec4736b1d0259b51de7dc7
Autor:
Filipović Suzana, Obradović Nina, Marković Smilja, Đorđević Antonije, Balać Igor, Dapčević Aleksandra, Rogan Jelena, Pavlović Vladimir
Publikováno v:
Science of Sintering, Vol 50, Iss 4, Pp 409-419 (2018)
Corundum (α-alumina) is a suiTab. material for usage in various industry fields owing to its chemical stability, electrical and mechanical features. It is known that properties of ceramics could be modified by addition of different oxides, as wel
Externí odkaz:
https://doaj.org/article/dec4bf7007d3449f9da20bc7aea8a565
Autor:
Terzić Anja, Obradović Nina, Pouchly Vaclav, Stojanović Jovica, Maca Karel, Pavlović Vladimir B.
Publikováno v:
Science of Sintering, Vol 50, Iss 3, Pp 299-312 (2018)
The influence of the sintering method on the mineral phase transformations and development of the crystalline microstructure of steatite ceramics was investigated. The steatite samples were fabricated from talc and bentonite as low-cost raw materi
Externí odkaz:
https://doaj.org/article/dc516fe15b454697ae15a1c05ef2bd5a
Autor:
Aleksić Stanko O., Mitrović Nebojša S., Luković Miloljub D., Luković Snežana G., Obradović Nina N.
Publikováno v:
Tehnika, Vol 73, Iss 4, Pp 533-538 (2018)
A new sensor for measuring ground top layer temperature profile was formed as a row of 40 thermistor segments connected in series, with which the change of temperature in the soil is mesaured and placed on 550 mm depth. The temperature sensor is mult
Externí odkaz:
https://doaj.org/article/8749081ad7f24e0d9f2b24748c48ea19
Publikováno v:
Science of Sintering, Vol 49, Iss 3, Pp 299-309 (2017)
In this study the characterization of FeCo-2V alloys toroidal samples produced by PIM/MIM technology was presented. The feedstock for metal injection molding (MIM) was prepared by mixing starting FeCoV powder with a low viscosity binder. Green sam
Externí odkaz:
https://doaj.org/article/bf1a23a5fdd14442b73a6bdd404fcae4
Autor:
Đorđević Antonije R., Olćan Dragan I., Obradović Nina, Paunović Vesna, Filipović Suzana, Pavlović Vladimir B.
Publikováno v:
Science of Sintering, Vol 49, Iss 4, Pp 373-380 (2017)
Post-sintering of magnesium titanate ceramics by hot isostatic pressing (HIP) in an oxygen-free atmosphere significantly alters various electrical properties of the product. In particular, the sintered material becomes a semiconductor. The aims of
Externí odkaz:
https://doaj.org/article/4341d1188b354ecda356934851a013cb