Structural analysis and devitrification of glasses based on the CaO-MgO-SiO2 system with B2O3, Na2O, CaF2 and P2O5 additives

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dc.contributor.authorAgathopoulos, S.en
dc.contributor.authorTulyaganov, D. U.en
dc.contributor.authorVentura, J. M. G.en
dc.contributor.authorKannan, S.en
dc.contributor.authorSaranti, A.en
dc.contributor.authorKarakassides, M. A.en
dc.contributor.authorFerreira, J. M. F.en
dc.date.accessioned2015-11-24T17:38:36Z
dc.date.available2015-11-24T17:38:36Z
dc.identifier.issn0022-3093-
dc.identifier.urihttps://olympias.lib.uoi.gr/jspui/handle/123456789/14517
dc.rightsDefault Licence-
dc.subjectcrystallizationen
dc.subjectglass cerarnics.en
dc.subjectraman scatteringen
dc.subjectoptical spectroscopyen
dc.subjectftir measurementen
dc.subjectraman spectroscopyen
dc.subjectalkali silicatesen
dc.subjectboro-silicatesen
dc.subjectsilicatesen
dc.subjectstructureen
dc.subjectshort-range orderen
dc.subjectlithium borate glassesen
dc.subjectsilicate-glassesen
dc.subjectvibrational spectroscopyen
dc.subjectnucleating-agentsen
dc.subjectphosphate-glassesen
dc.subjectramanen
dc.subjectceramicsen
dc.subjectspectraen
dc.subjectcrystallizationen
dc.subjectcrystalsen
dc.titleStructural analysis and devitrification of glasses based on the CaO-MgO-SiO2 system with B2O3, Na2O, CaF2 and P2O5 additivesen
heal.abstractGlasses, whose basic composition was based on the CaO-MgO-SiO2 system and doped with B2O3, P2O5, Na2O, and CaF2, were prepared by melting at 1400 degrees C for 1 h. Raman and infrared (IR) spectroscopy revealed that the main structural units in the glass network were predominantly Q(1) and Q(2) silicate species. The presence of phosphate and borate units in the structure of the glasses was also evident in these spectra. X-ray analysis showed that the investigated glasses devitrified at 750 degrees C and higher temperatures. The crystalline phases of diopside and wollastonite dominated, but weak peaks, assigned to akermanite and fluorapatite, were also registered in the diffracto-grams. The presence of B2O3, Na2O, and CaF2 had a negligible influence on the assemblage of the crystallized phases, but it caused a reduction of crystallization temperature, comparing to similar glasses of the CaO-MgO-SiO2 system. (c) 2005 Elsevier B.V. All rights reserved.en
heal.accesscampus-
heal.fullTextAvailabilityTRUE-
heal.identifier.primaryDOI 10.1016/j.jnoncrysol.2005.12.003-
heal.identifier.secondary<Go to ISI>://000236226700004-
heal.identifier.secondaryhttp://ac.els-cdn.com/S0022309305008161/1-s2.0-S0022309305008161-main.pdf?_tid=894653843976bb6e8f5521b39eb4e559&acdnat=1339492758_3e9e651ffba7455cb072c8d641c1ef50-
heal.journalNameJournal of Non-Crystalline Solidsen
heal.journalTypepeer reviewed-
heal.languageen-
heal.publicationDate2006-
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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