MEDVECKÁ, Veronika, Dušan KOVÁČIK, Monika STUPAVSKÁ, Tomáš ROCH, Alexander KROMKA, Radek FAJGAR, Anna ZAHORANOVÁ a Mirko ČERNÁK. Preparation and characterization of alumina submicron fibers by plasma assisted calcination. Ceramics International. Oxford: Elsevier Ltd, 2020, roč. 46, č. 14, s. 22774-22780. ISSN 0272-8842. Dostupné z: https://dx.doi.org/10.1016/j.ceramint.2020.06.044. |
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@article{1673856, author = {Medvecká, Veronika and Kováčik, Dušan and Stupavská, Monika and Roch, Tomáš and Kromka, Alexander and Fajgar, Radek and Zahoranová, Anna and Černák, Mirko}, article_location = {Oxford}, article_number = {14}, doi = {http://dx.doi.org/10.1016/j.ceramint.2020.06.044}, keywords = {Al2O3 submicron fibres; Plasma-assisted calcination; Coplanar discharge; Dielectric barrier discharge; Atmospheric pressure plasma}, language = {eng}, issn = {0272-8842}, journal = {Ceramics International}, title = {Preparation and characterization of alumina submicron fibers by plasma assisted calcination}, url = {https://www.sciencedirect.com/science/article/pii/S0272884220316904?via%3Dihub}, volume = {46}, year = {2020} }
TY - JOUR ID - 1673856 AU - Medvecká, Veronika - Kováčik, Dušan - Stupavská, Monika - Roch, Tomáš - Kromka, Alexander - Fajgar, Radek - Zahoranová, Anna - Černák, Mirko PY - 2020 TI - Preparation and characterization of alumina submicron fibers by plasma assisted calcination JF - Ceramics International VL - 46 IS - 14 SP - 22774-22780 EP - 22774-22780 PB - Elsevier Ltd SN - 02728842 KW - Al2O3 submicron fibres KW - Plasma-assisted calcination KW - Coplanar discharge KW - Dielectric barrier discharge KW - Atmospheric pressure plasma UR - https://www.sciencedirect.com/science/article/pii/S0272884220316904?via%3Dihub L2 - https://www.sciencedirect.com/science/article/pii/S0272884220316904?via%3Dihub N2 - Ceramic alumina nanofibers were prepared by plasma-assisted calcination (PAC) using atmospheric pressure plasma. Electrospun polyvinyl pyrrolidone/aluminium butoxide fibers were pre-treated by plasma generated in ambient air using a special type of coplanar dielectric barrier discharge. The effect of plasma on fibers and structural, chemical and crystalline properties of obtained ceramic nanofibers were characterized using X-Ray Photoelectron Spectroscopy and Scanning Electron Microscopy, Energy-dispersive X-ray Spectroscopy and X-Ray Diffraction. Thermogravimetric and differential thermal analysis were used for the study of thermal behaviour of untreated and plasma-treated samples. The ceramic fibers prepared by PAC exhibit suitable chemical composition, higher porosity, high length of fibers and better crystalline properties with simultaneous simplifying of the sintering process. The plasma pre-treatment of fibers results in a shortening of following thermal treatment, decrease of the required temperature and excludes a slow temperature increase as prevention of fibrous structure degradation typical in preparation of ceramic fibers by polymer-template techniques. ER -
MEDVECKÁ, Veronika, Dušan KOVÁČIK, Monika STUPAVSKÁ, Tomáš ROCH, Alexander KROMKA, Radek FAJGAR, Anna ZAHORANOVÁ a Mirko ČERNÁK. Preparation and characterization of alumina submicron fibers by plasma assisted calcination. \textit{Ceramics International}. Oxford: Elsevier Ltd, 2020, roč.~46, č.~14, s.~22774-22780. ISSN~0272-8842. Dostupné z: https://dx.doi.org/10.1016/j.ceramint.2020.06.044.
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