Crystallization behaviour, structure and properties of sintered glasses in the diopside-Ca-Tschermak system

dc.contributor.authorGoel, A.en
dc.contributor.authorTulyaganov, D. U.en
dc.contributor.authorAgathopoulos, S.en
dc.contributor.authorRibeiro, M. J.en
dc.contributor.authorFerreira, J. M. F.en
dc.date.accessioned2015-11-24T17:32:55Z
dc.date.available2015-11-24T17:32:55Z
dc.identifier.issn0955-2219-
dc.identifier.urihttps://olympias.lib.uoi.gr/jspui/handle/123456789/13795
dc.rightsDefault Licence-
dc.subjectsinteringen
dc.subjectmicrostructure finalen
dc.subjectthermal expansionen
dc.subjectglass ceramicsen
dc.subjectfuel cellsen
dc.subjectdifferential thermal-analysisen
dc.subjectceramicsen
dc.subjectdevitrificationen
dc.subjectwastesen
dc.titleCrystallization behaviour, structure and properties of sintered glasses in the diopside-Ca-Tschermak systemen
heal.abstractFour glasses with nominal compositions of CaMg0.8Al0.4Si1.8O6, CaMg0.75Al0.5Si1.75O6, CaMg0.7Al0.6Si1.7O6, and CaMg(0.6)5Al(0.7)Si(1.6)O(6), were successfully obtained by melting in alumina crucibles at 1580 degrees C for I h, aiming at producing glass ceramics based on diopside-Ca-Tschermak. Sintering and crystallization behaviour of the glasses, coupled with calculation of the activation energy of crystallization, were investigated upon heat treatment under different conditions of heating rates (5-40 K/min), temperatures (850-1000 degrees C), and times (1-300 h). The experimental results showed that there is a threshold of Ca-Tschermak solubility in diopside structure at ca. 30 mol. %, which is technologically important with regard to the production of mono-mineral glass ceramics. The good matching of thermal properties and the strong adherence to yttria stabilized cubic zirconia indicate the investigated glass ceramics for further experimentation as candidates for SOFC sealants. (C) 2007 Elsevier Ltd. All tights reserved.en
heal.accesscampus-
heal.fullTextAvailabilityTRUE-
heal.identifier.primaryDOI 10.1016/j.jeurceramsoc.2007.01.018-
heal.identifier.secondary<Go to ISI>://000246744200016-
heal.identifier.secondaryhttp://ac.els-cdn.com/S0955221907002178/1-s2.0-S0955221907002178-main.pdf?_tid=8a484a53eef2ad931593c09ce9012e2c&acdnat=1339492708_653ce8447f1b3fb7854f085520bb3403-
heal.journalNameJournal of the European Ceramic Societyen
heal.journalTypepeer reviewed-
heal.languageen-
heal.publicationDate2007-
heal.publisherElsevieren
heal.recordProviderΠανεπιστήμιο Ιωαννίνων. Σχολή Θετικών Επιστημών. Τμήμα Μηχανικών Επιστήμης Υλικώνel
heal.typejournalArticle-
heal.type.elΆρθρο Περιοδικούel
heal.type.enJournal articleen

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