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Preparation of anorthite ceramics using SPS
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SYSNO ASEP 0544098 Druh ASEP J - Článek v odborném periodiku Zařazení RIV J - Článek v odborném periodiku Poddruh J Článek ve WOS Název Preparation of anorthite ceramics using SPS Tvůrce(i) Csáki, Štefan (UFP-V) ORCID
Lukáč, František (UFP-V) ORCID
Húlan, T. (SK)
Veverka, Jakub (UFP-V) ORCID
Knapek, Michal (UJF-V) ORCIDCelkový počet autorů 5 Zdroj.dok. Journal of the European Ceramic Society. - : Elsevier - ISSN 0955-2219
Roč. 41, č. 8 (2021), s. 4618-4624Poč.str. 7 s. Jazyk dok. eng - angličtina Země vyd. GB - Velká Británie Klíč. slova Anorthite ; Crystallization ; Kaolinite ; Sintering Vědní obor RIV JP - Průmyslové procesy a zpracování Obor OECD Materials engineering Způsob publikování Omezený přístup Institucionální podpora UFP-V - RVO:61389021 ; UJF-V - RVO:61389005 UT WOS 000637525500004 EID SCOPUS 85102771836 DOI 10.1016/j.jeurceramsoc.2021.03.004 Anotace A mixture of kaolin (92 wt.% of kaolinite) and laboratory-grade CaCO3 was used for anorthite preparation using the spark plasma sintering (SPS) technique. The powder was heated up to the maximum temperature (850 °C–1100 °C with a step of 50 °C, heating rate 50 °C/min) using the SPS device. The as-prepared samples were compared with a reference sample produced by dry pressing and conventional firing. Rietveld refinement performed on the X-ray diffraction data revealed that before anorthite formation, gehlenite and Ca-feldspar appeared, which gradually transformed into anorthite with increasing temperature. The sample prepared by SPS at 1100 °C contained 90 wt.% of anorthite, while the anorthite content in the reference sample reached only 47 wt.%. The porosity of the samples prepared by SPS reached significantly lower values compared to that of the reference sample. Therefore, SPS can be considered as a promising technique in the preparation of anorthite ceramics at lower temperatures. Pracoviště Ústav fyziky plazmatu Kontakt Vladimíra Kebza, kebza@ipp.cas.cz, Tel.: 266 052 975 Rok sběru 2022 Elektronická adresa https://www.sciencedirect.com/science/article/pii/S0955221921001473?via%3Dihub
Počet záznamů: 1