Zobrazeno 1 - 10
of 46
pro vyhledávání: '"Viera Trnovcová"'
Publikováno v:
Ceramics-Silikáty, Vol 59, Iss 2, Pp 176-180 (2015)
The temperature dependences of the electrical DC conductivity of calcite waste, kaolinite and illite based ceramics were measured in the temperature range of 20 - 1050oC. The ceramic mass that was used was a mixture of 60 wt. % kaolinitic-illitic cla
Externí odkaz:
https://doaj.org/article/7974e4a00df94060bf08d197f32e3f62
Publikováno v:
Journal of Thermal Analysis and Calorimetry. 139:833-838
Temperature dependencies of the DC conductivity of mixtures of kaolin and quartz were measured in the temperature range of 20–1200 °C. During heating, several processes take place in the sample—release of the physically bound water (PBW), dehydr
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::cd0c22dd0788b020aaa1bde44fd524c0
https://doi.org/10.1007/s10973-019-08476-2
https://doi.org/10.1007/s10973-019-08476-2
Publikováno v:
Ceramics International. 45:2425-2431
The influence of the technological texture on the DC conductivity of an illitic clay and kaolin was studied. Textured samples were prepared by layering a wet plastic mass made from distilled water and clay. Anisotropy of the samples was assessed by s
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::ae1a0b64fd9c1b92f559629cc103795b
https://doi.org/10.1016/j.ceramint.2018.10.162
https://doi.org/10.1016/j.ceramint.2018.10.162
Autor:
Ondrej Bošák, Stanislav Minárik, Viera Trnovcová, D. Maache, Svetlana R. Lukić-Petrović, M. T. Soltani, Marian Kubliha
Publikováno v:
Russian Journal of Electrochemistry. 55(6):510-516
© 2019, Pleiades Publishing, Ltd. Abstract: The mixed alkaline effect (MAE) is a well-known anomaly in glasses. It results in a non-linear response of various physical properties on mixing of alkali ions in the glass. In this paper, the MAE is studi
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::d74cd9341d14d815a1de216bfac4530b
https://www.scopus.com/inward/record.uri?partnerID=HzOxMe3b&scp=85069209086&origin=inward
https://www.scopus.com/inward/record.uri?partnerID=HzOxMe3b&scp=85069209086&origin=inward
Autor:
Laurent Calvez, Viera Trnovcová, Vladimír Labaš, Marian Kubliha, Antoine Bréhault, Julie Carcreff, Ondrej Bošák, M. V. Šiljegović, David Le Coq, Alexandre Castro, Mária Dománková
Publikováno v:
Journal of Non-Crystalline Solids
Journal of Non-Crystalline Solids, Elsevier, 2018, 499, pp.66-74. ⟨10.1016/j.jnoncrysol.2018.07.015⟩
Journal of Non-Crystalline Solids, 2018, 499, pp.66-74. ⟨10.1016/j.jnoncrysol.2018.07.015⟩
Journal of Non-Crystalline Solids, Elsevier, 2018, 499, pp.66-74. ⟨10.1016/j.jnoncrysol.2018.07.015⟩
Journal of Non-Crystalline Solids, 2018, 499, pp.66-74. ⟨10.1016/j.jnoncrysol.2018.07.015⟩
The glass-forming domain in the new Sb2O3-PbCl2-LiCl system has been delimited. Systematic investigations were undertaken to establish the influence of each starting component on the characteristic temperatures (Tg and Tx) and the density. Glasses ha
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::c6fe8a0e784e5aea098863d3ea9b4a2f
https://doi.org/10.1016/j.jnoncrysol.2018.07.015
https://doi.org/10.1016/j.jnoncrysol.2018.07.015
Publikováno v:
Applied Clay Science. 157:19-23
Electrical conductivity measurement was used to characterize thermophysical processes occurring in illitic clay during firing. In this study, illitic clay was subjected to heating up to 1100 °C. The AC conductivity was measured at 10 different frequ
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::9878b8ee4263b5d869001dd751e79b49
https://doi.org/10.1016/j.clay.2018.02.026
https://doi.org/10.1016/j.clay.2018.02.026
Autor:
František Lukáč, Libor Vozár, Viera Trnovcová, Jaroslav Pokorný, Ján Ondruška, Štefan Csáki, Igor Štubňa, Patrik Dobroň
Publikováno v:
Applied Clay Science. 154:36-42
In this study, the effect of dry milling of kaolin (92 mass% of kaolinite) on its physical properties and microstructure development during firing was investigated using thermal analyses, X-ray diffraction, scanning electron microscopy, and DC conduc
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::aa8fcdfbf46fba5f5f0250715be5efc6
https://doi.org/10.1016/j.clay.2017.12.038
https://doi.org/10.1016/j.clay.2017.12.038
Publikováno v:
Journal of Thermal Analysis and Calorimetry. 131:2285-2289
In ceramic materials, depolarization effects take place when an external electrical field is removed. Therefore, an understanding of mechanisms of polarization and depolarization is important for a more accurate control of furnace temperature and DC
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::fd82bc8201424033639f70e20c2425f3
https://doi.org/10.1007/s10973-017-6862-7
https://doi.org/10.1007/s10973-017-6862-7
Publikováno v:
Applied Clay Science. 149:8-12
Temperature dependencies of the DC conductivity of kaolin and illite are measured from 20 °C up to 450 °C using “as received” samples and samples after heating to 400 °C and 450 °C. Release of physically bound water (PBW) from green kaolin sh
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::3f655d185b14d03aa6e040bc73177404
https://doi.org/10.1016/j.clay.2017.08.012
https://doi.org/10.1016/j.clay.2017.08.012
Publikováno v:
Applied Clay Science. 135:414-417
Polarization effects, which take place when an external electrical field is applied, play an important role in ceramics. The polarization currents were measured in illite samples in the temperature range 450 °C–1200 °C, for 150–300 min. Since t
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::8e4a8f866138218ea7ab2e28e4764b3c
https://doi.org/10.1016/j.clay.2016.10.024
https://doi.org/10.1016/j.clay.2016.10.024