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dc.contributor.authorHémono, Nicolas-
dc.contributor.authorPierre, G.-
dc.contributor.authorMuñoz, Francisco-
dc.date.accessioned2011-02-07T11:18:23Z-
dc.date.available2011-02-07T11:18:23Z-
dc.date.issued2011-02-07-
dc.identifier.issn0955-2219-
dc.identifier.urihttp://hdl.handle.net/10261/32070-
dc.description.abstractTransparent glass-ceramics have been prepared by heat-treating oxyfluoride glasses in the Na2O–Al2O3–SiO2–LaF3 system. The nanocrystallisation of LaF3 was achieved by controlling time and temperature parameters. Glasses and glass-ceramics were characterised by dilatometry, DTA, XRD and TEM. The mean crystal size (<20 nm) and the crystal fraction increase with the temperature of heat treatment, while they reach a maximum at about 20 h at a temperature close to Tg. The crystallisation of phases containing glass modifier elements as well as F anions leads to the increase in the viscosity of the remaining glass matrix. Phase separation occurs in glass-ceramics depending on the glass composition which affects nanocrystallisation.es_ES
dc.language.isoenges_ES
dc.rightsopenAccesses_ES
dc.subjectGrain sizees_ES
dc.subjectSilicatees_ES
dc.titleProcessing of transparent glass-ceramics by nanocrystallisation of LaF3es_ES
dc.typeartículoes_ES
dc.identifier.doi10.1016/j.jeurceramsoc.2009.05.013-
dc.description.peerreviewedPeer reviewedes_ES
dc.relation.publisherversionJournal of the European Ceramic Society 29 (2009) 2915–2920es_ES
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