Crystallisation of non-stoichiometric cordierite glasses

Autores
Azín, N.J.; Camerucci, Maria Andrea; Cavalieri, Ana Lia
Año de publicación
2005
Idioma
inglés
Tipo de recurso
artículo
Estado
versión publicada
Descripción
The crystallisation of a cordierite non-stoichiometric glass (25 wt.% Al2O3, 63 wt.% SiO2 and 12 wt.% MgO) located in the cordierite crystallisation field in the Al2O3·SiO2·MgO system was studied. Glass fragments were obtained by quenching the melt in cold water. Two granulometric fractions, fine (51.8 wt.% < 37 μm) and coarse (D50 = 239 μm), were prepared by crushing, dry milling and/or sieving. A great tendency to devitrify and a high glass transition temperature (Tg = 830 °C) were determined. Temperatures between 940 and 1300 °C and times up to 24 h were selected in order to crystallise the glass. The crystallisation was followed by differential thermal analysis (DTA), X-ray diffraction (XRD) and scanning electron microscopy (SEM). Three exothermic peaks between 970 and 1180 °C assigned to μ- and α-cordierite crystallisations with different overlapping degrees depending on both the glass particle size and the heating rate were registered by DTA. No difference was established with respect to the crystallisation mechanism of stoichiometric cordierite glass. However, it was possible to differ the temperature of crystallisation of α-cordierite from both surface and bulk mechanisms. Three non-isothermal methods were used to estimate the activation energy to μ-cordierite crystallisation from both glass granulometric fractions.
Fil: Azín, N.J.. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Mar del Plata. Instituto de Investigaciones en Ciencia y Tecnología de Materiales. Universidad Nacional de Mar del Plata. Facultad de Ingeniería. Instituto de Investigaciones en Ciencia y Tecnología de Materiales; Argentina
Fil: Camerucci, Maria Andrea. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Mar del Plata. Instituto de Investigaciones en Ciencia y Tecnología de Materiales. Universidad Nacional de Mar del Plata. Facultad de Ingeniería. Instituto de Investigaciones en Ciencia y Tecnología de Materiales; Argentina
Fil: Cavalieri, Ana Lia. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Mar del Plata. Instituto de Investigaciones en Ciencia y Tecnología de Materiales. Universidad Nacional de Mar del Plata. Facultad de Ingeniería. Instituto de Investigaciones en Ciencia y Tecnología de Materiales; Argentina
Materia
CRYSTALLISATION
D. CORDIERITE
D. GLASS
Nivel de accesibilidad
acceso abierto
Condiciones de uso
https://creativecommons.org/licenses/by-nc-sa/2.5/ar/
Repositorio
CONICET Digital (CONICET)
Institución
Consejo Nacional de Investigaciones Científicas y Técnicas
OAI Identificador
oai:ri.conicet.gov.ar:11336/94380
Acceder
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network_acronym_str CONICETDig
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network_name_str CONICET Digital (CONICET)
spelling Crystallisation of non-stoichiometric cordierite glassesAzín, N.J.Camerucci, Maria AndreaCavalieri, Ana LiaCRYSTALLISATIOND. CORDIERITED. GLASShttps://purl.org/becyt/ford/2.5https://purl.org/becyt/ford/2The crystallisation of a cordierite non-stoichiometric glass (25 wt.% Al2O3, 63 wt.% SiO2 and 12 wt.% MgO) located in the cordierite crystallisation field in the Al2O3·SiO2·MgO system was studied. Glass fragments were obtained by quenching the melt in cold water. Two granulometric fractions, fine (51.8 wt.% < 37 μm) and coarse (D50 = 239 μm), were prepared by crushing, dry milling and/or sieving. A great tendency to devitrify and a high glass transition temperature (Tg = 830 °C) were determined. Temperatures between 940 and 1300 °C and times up to 24 h were selected in order to crystallise the glass. The crystallisation was followed by differential thermal analysis (DTA), X-ray diffraction (XRD) and scanning electron microscopy (SEM). Three exothermic peaks between 970 and 1180 °C assigned to μ- and α-cordierite crystallisations with different overlapping degrees depending on both the glass particle size and the heating rate were registered by DTA. No difference was established with respect to the crystallisation mechanism of stoichiometric cordierite glass. However, it was possible to differ the temperature of crystallisation of α-cordierite from both surface and bulk mechanisms. Three non-isothermal methods were used to estimate the activation energy to μ-cordierite crystallisation from both glass granulometric fractions.Fil: Azín, N.J.. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Mar del Plata. Instituto de Investigaciones en Ciencia y Tecnología de Materiales. Universidad Nacional de Mar del Plata. Facultad de Ingeniería. Instituto de Investigaciones en Ciencia y Tecnología de Materiales; ArgentinaFil: Camerucci, Maria Andrea. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Mar del Plata. Instituto de Investigaciones en Ciencia y Tecnología de Materiales. Universidad Nacional de Mar del Plata. Facultad de Ingeniería. Instituto de Investigaciones en Ciencia y Tecnología de Materiales; ArgentinaFil: Cavalieri, Ana Lia. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Mar del Plata. Instituto de Investigaciones en Ciencia y Tecnología de Materiales. Universidad Nacional de Mar del Plata. Facultad de Ingeniería. Instituto de Investigaciones en Ciencia y Tecnología de Materiales; ArgentinaElsevier2005-12info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersionhttp://purl.org/coar/resource_type/c_6501info:ar-repo/semantics/articuloapplication/pdfapplication/pdfapplication/pdfhttp://hdl.handle.net/11336/94380Azín, N.J.; Camerucci, Maria Andrea; Cavalieri, Ana Lia; Crystallisation of non-stoichiometric cordierite glasses; Elsevier; Ceramics International; 31; 1; 12-2005; 189-1950272-8842CONICET DigitalCONICETenginfo:eu-repo/semantics/altIdentifier/url/https://www.sciencedirect.com/science/article/pii/S0272884204003207info:eu-repo/semantics/altIdentifier/doi/10.1016/j.ceramint.2004.04.002info:eu-repo/semantics/openAccesshttps://creativecommons.org/licenses/by-nc-sa/2.5/ar/reponame:CONICET Digital (CONICET)instname:Consejo Nacional de Investigaciones Científicas y Técnicas2025-10-15T14:24:45Zoai:ri.conicet.gov.ar:11336/94380instacron:CONICETInstitucionalhttp://ri.conicet.gov.ar/Organismo científico-tecnológicoNo correspondehttp://ri.conicet.gov.ar/oai/requestdasensio@conicet.gov.ar; lcarlino@conicet.gov.arArgentinaNo correspondeNo correspondeNo correspondeopendoar:34982025-10-15 14:24:46.246CONICET Digital (CONICET) - Consejo Nacional de Investigaciones Científicas y Técnicasfalse
dc.title.none.fl_str_mv Crystallisation of non-stoichiometric cordierite glasses
title Crystallisation of non-stoichiometric cordierite glasses
spellingShingle Crystallisation of non-stoichiometric cordierite glasses
Azín, N.J.
CRYSTALLISATION
D. CORDIERITE
D. GLASS
title_short Crystallisation of non-stoichiometric cordierite glasses
title_full Crystallisation of non-stoichiometric cordierite glasses
title_fullStr Crystallisation of non-stoichiometric cordierite glasses
title_full_unstemmed Crystallisation of non-stoichiometric cordierite glasses
title_sort Crystallisation of non-stoichiometric cordierite glasses
dc.creator.none.fl_str_mv Azín, N.J.
Camerucci, Maria Andrea
Cavalieri, Ana Lia
author Azín, N.J.
author_facet Azín, N.J.
Camerucci, Maria Andrea
Cavalieri, Ana Lia
author_role author
author2 Camerucci, Maria Andrea
Cavalieri, Ana Lia
author2_role author
author
dc.subject.none.fl_str_mv CRYSTALLISATION
D. CORDIERITE
D. GLASS
topic CRYSTALLISATION
D. CORDIERITE
D. GLASS
purl_subject.fl_str_mv https://purl.org/becyt/ford/2.5
https://purl.org/becyt/ford/2
dc.description.none.fl_txt_mv The crystallisation of a cordierite non-stoichiometric glass (25 wt.% Al2O3, 63 wt.% SiO2 and 12 wt.% MgO) located in the cordierite crystallisation field in the Al2O3·SiO2·MgO system was studied. Glass fragments were obtained by quenching the melt in cold water. Two granulometric fractions, fine (51.8 wt.% < 37 μm) and coarse (D50 = 239 μm), were prepared by crushing, dry milling and/or sieving. A great tendency to devitrify and a high glass transition temperature (Tg = 830 °C) were determined. Temperatures between 940 and 1300 °C and times up to 24 h were selected in order to crystallise the glass. The crystallisation was followed by differential thermal analysis (DTA), X-ray diffraction (XRD) and scanning electron microscopy (SEM). Three exothermic peaks between 970 and 1180 °C assigned to μ- and α-cordierite crystallisations with different overlapping degrees depending on both the glass particle size and the heating rate were registered by DTA. No difference was established with respect to the crystallisation mechanism of stoichiometric cordierite glass. However, it was possible to differ the temperature of crystallisation of α-cordierite from both surface and bulk mechanisms. Three non-isothermal methods were used to estimate the activation energy to μ-cordierite crystallisation from both glass granulometric fractions.
Fil: Azín, N.J.. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Mar del Plata. Instituto de Investigaciones en Ciencia y Tecnología de Materiales. Universidad Nacional de Mar del Plata. Facultad de Ingeniería. Instituto de Investigaciones en Ciencia y Tecnología de Materiales; Argentina
Fil: Camerucci, Maria Andrea. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Mar del Plata. Instituto de Investigaciones en Ciencia y Tecnología de Materiales. Universidad Nacional de Mar del Plata. Facultad de Ingeniería. Instituto de Investigaciones en Ciencia y Tecnología de Materiales; Argentina
Fil: Cavalieri, Ana Lia. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Mar del Plata. Instituto de Investigaciones en Ciencia y Tecnología de Materiales. Universidad Nacional de Mar del Plata. Facultad de Ingeniería. Instituto de Investigaciones en Ciencia y Tecnología de Materiales; Argentina
description The crystallisation of a cordierite non-stoichiometric glass (25 wt.% Al2O3, 63 wt.% SiO2 and 12 wt.% MgO) located in the cordierite crystallisation field in the Al2O3·SiO2·MgO system was studied. Glass fragments were obtained by quenching the melt in cold water. Two granulometric fractions, fine (51.8 wt.% < 37 μm) and coarse (D50 = 239 μm), were prepared by crushing, dry milling and/or sieving. A great tendency to devitrify and a high glass transition temperature (Tg = 830 °C) were determined. Temperatures between 940 and 1300 °C and times up to 24 h were selected in order to crystallise the glass. The crystallisation was followed by differential thermal analysis (DTA), X-ray diffraction (XRD) and scanning electron microscopy (SEM). Three exothermic peaks between 970 and 1180 °C assigned to μ- and α-cordierite crystallisations with different overlapping degrees depending on both the glass particle size and the heating rate were registered by DTA. No difference was established with respect to the crystallisation mechanism of stoichiometric cordierite glass. However, it was possible to differ the temperature of crystallisation of α-cordierite from both surface and bulk mechanisms. Three non-isothermal methods were used to estimate the activation energy to μ-cordierite crystallisation from both glass granulometric fractions.
publishDate 2005
dc.date.none.fl_str_mv 2005-12
dc.type.none.fl_str_mv info:eu-repo/semantics/article
info:eu-repo/semantics/publishedVersion
http://purl.org/coar/resource_type/c_6501
info:ar-repo/semantics/articulo
format article
status_str publishedVersion
dc.identifier.none.fl_str_mv http://hdl.handle.net/11336/94380
Azín, N.J.; Camerucci, Maria Andrea; Cavalieri, Ana Lia; Crystallisation of non-stoichiometric cordierite glasses; Elsevier; Ceramics International; 31; 1; 12-2005; 189-195
0272-8842
CONICET Digital
CONICET
url http://hdl.handle.net/11336/94380
identifier_str_mv Azín, N.J.; Camerucci, Maria Andrea; Cavalieri, Ana Lia; Crystallisation of non-stoichiometric cordierite glasses; Elsevier; Ceramics International; 31; 1; 12-2005; 189-195
0272-8842
CONICET Digital
CONICET
dc.language.none.fl_str_mv eng
language eng
dc.relation.none.fl_str_mv info:eu-repo/semantics/altIdentifier/url/https://www.sciencedirect.com/science/article/pii/S0272884204003207
info:eu-repo/semantics/altIdentifier/doi/10.1016/j.ceramint.2004.04.002
dc.rights.none.fl_str_mv info:eu-repo/semantics/openAccess
https://creativecommons.org/licenses/by-nc-sa/2.5/ar/
eu_rights_str_mv openAccess
rights_invalid_str_mv https://creativecommons.org/licenses/by-nc-sa/2.5/ar/
dc.format.none.fl_str_mv application/pdf
application/pdf
application/pdf
dc.publisher.none.fl_str_mv Elsevier
publisher.none.fl_str_mv Elsevier
dc.source.none.fl_str_mv reponame:CONICET Digital (CONICET)
instname:Consejo Nacional de Investigaciones Científicas y Técnicas
reponame_str CONICET Digital (CONICET)
collection CONICET Digital (CONICET)
instname_str Consejo Nacional de Investigaciones Científicas y Técnicas
repository.name.fl_str_mv CONICET Digital (CONICET) - Consejo Nacional de Investigaciones Científicas y Técnicas
repository.mail.fl_str_mv dasensio@conicet.gov.ar; lcarlino@conicet.gov.ar
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score 13.22299

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