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Sol-gel preparation of 2CaO center dot SiO2

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dc.contributor.author Chrysafi, R en
dc.contributor.author Perraki, T en
dc.contributor.author Kakali, G en
dc.date.accessioned 2014-03-01T01:56:33Z
dc.date.available 2014-03-01T01:56:33Z
dc.date.issued 2007 en
dc.identifier.issn 0955-2219 en
dc.identifier.uri https://dspace.lib.ntua.gr/xmlui/handle/123456789/28150
dc.subject sol-gel processes en
dc.subject calcium silicate en
dc.subject.classification Materials Science, Ceramics en
dc.subject.other CALCIUM SILICATE-GLASSES en
dc.subject.other IN-VITRO BIOACTIVITY en
dc.subject.other POWDERS en
dc.subject.other PHASES en
dc.title Sol-gel preparation of 2CaO center dot SiO2 en
heal.type journalArticle en
heal.language English en
heal.publicationDate 2007 en
heal.abstract Di-calcium silicate or belite (beta-Ca2SiO4) is One of the major compounds in Portland cement clinker. Conventionally, belite is produced by long lasting sintering of limestone and quartz at temperatures exceeding 1400 degrees C. The subject of this paper is the sol-gel synthesis of belite. Both aqueous and non-aqueous sol-gel routes were applied. The preparation of the precursor mixture and the formation of the ceramic product were monitored using TG/DTG, XRD, FT-IR and SEM. The combination of these techniques led to the recording of all the transformations occurring during the processing of the precursors and the formation of the final products. As it was concluded, both routes can be successfully applied for the preparation of di-calcium silicate. The final products consist of very fine spherical crystallites in the range 1-3 mu m. Their formation requires a 3-h sintering at 1000 degrees C. 1n both cases, beta-2CaO center dot SiO2 is obtained without the use of any chemical stabilizers. (c) 2006 Elsevier Ltd. All rights reserved. en
heal.publisher ELSEVIER SCI LTD en
heal.journalName JOURNAL OF THE EUROPEAN CERAMIC SOCIETY en
dc.identifier.isi ISI:000243265100212 en
dc.identifier.volume 27 en
dc.identifier.issue 2-3 en
dc.identifier.spage 1707 en
dc.identifier.epage 1710 en


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