Effect of TiO₂ in Fine Zircon Sintering and Properties
- Autores
- Gauna, Matías Roberto; Martínez, Juan Manuel; Conconi, María Susana; Suárez, Gustavo; Rendtorff Birrer, Nicolás Maximiliano
- Año de publicación
- 2021
- Idioma
- inglés
- Tipo de recurso
- artículo
- Estado
- versión publicada
- Descripción
- The effect of the TiO₂ addition in the ceramic processing of dense zircon materials from zircon fine powders was established. The addition of TiO₂ (5-10 wt%) permitted to obtain dense ceramics at lower temperatures (100-150 oC below), with comparable mechanical behavior. The thermochemical processes were described after a multi-technique experimental approach, which included a sintering analysis, powder X-Ray diffraction analysis (XRD), scanning electronic microscopy (SEM) and Vickers hardness of the polished dense obtained ceramics. After 1400 oC heating programs, the added TiO₂ acts as a sintering aid with no important chemical reactions, and presented improved mechanical behavior in comparison with pure zircon ceramics. On the other side, in samples fired at 1500 oC, TiO₂ partially (≈50 %) reacts with zircon, forming ZrTiO4, while the formed SiO₂ goes to the grain boundaries. Samples with 5 wt% TiO₂ present better mechanical behavior than the ones with 10 wt%. The performed mechanical characterization indicates the merits of the material processed by this inexpensive processing route. Developed density, hardness (≈10 GPa) and fracture toughness (≈2 MPa.m-1/2) are comparable with the best figures reported.
Facultad de Ciencias Exactas
Centro de Tecnología de Recursos Minerales y Cerámica
Facultad de Ingeniería - Materia
-
Ciencias Exactas
Química
Ingeniería
Zircon
TiO2
Processing
Sintering
Properties - Nivel de accesibilidad
- acceso abierto
- Condiciones de uso
- http://creativecommons.org/licenses/by/4.0/
- Repositorio
- Institución
- Universidad Nacional de La Plata
- OAI Identificador
- oai:sedici.unlp.edu.ar:10915/128599
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Effect of TiO₂ in Fine Zircon Sintering and PropertiesGauna, Matías RobertoMartínez, Juan ManuelConconi, María SusanaSuárez, GustavoRendtorff Birrer, Nicolás MaximilianoCiencias ExactasQuímicaIngenieríaZirconTiO2ProcessingSinteringPropertiesThe effect of the TiO₂ addition in the ceramic processing of dense zircon materials from zircon fine powders was established. The addition of TiO₂ (5-10 wt%) permitted to obtain dense ceramics at lower temperatures (100-150 oC below), with comparable mechanical behavior. The thermochemical processes were described after a multi-technique experimental approach, which included a sintering analysis, powder X-Ray diffraction analysis (XRD), scanning electronic microscopy (SEM) and Vickers hardness of the polished dense obtained ceramics. After 1400 oC heating programs, the added TiO₂ acts as a sintering aid with no important chemical reactions, and presented improved mechanical behavior in comparison with pure zircon ceramics. On the other side, in samples fired at 1500 oC, TiO₂ partially (≈50 %) reacts with zircon, forming ZrTiO4, while the formed SiO₂ goes to the grain boundaries. Samples with 5 wt% TiO₂ present better mechanical behavior than the ones with 10 wt%. The performed mechanical characterization indicates the merits of the material processed by this inexpensive processing route. Developed density, hardness (≈10 GPa) and fracture toughness (≈2 MPa.m<sup>-1/2</sup>) are comparable with the best figures reported.Facultad de Ciencias ExactasCentro de Tecnología de Recursos Minerales y CerámicaFacultad de Ingeniería2021info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersionArticulohttp://purl.org/coar/resource_type/c_6501info:ar-repo/semantics/articuloapplication/pdf267-283http://sedici.unlp.edu.ar/handle/10915/128599enginfo:eu-repo/semantics/altIdentifier/issn/0350-820Xinfo:eu-repo/semantics/altIdentifier/issn/1820-7413info:eu-repo/semantics/altIdentifier/doi/10.2298/sos2102267ginfo:eu-repo/semantics/openAccesshttp://creativecommons.org/licenses/by/4.0/Creative Commons Attribution 4.0 International (CC BY 4.0)reponame:SEDICI (UNLP)instname:Universidad Nacional de La Platainstacron:UNLP2025-09-29T11:31:03Zoai:sedici.unlp.edu.ar:10915/128599Institucionalhttp://sedici.unlp.edu.ar/Universidad públicaNo correspondehttp://sedici.unlp.edu.ar/oai/snrdalira@sedici.unlp.edu.arArgentinaNo correspondeNo correspondeNo correspondeopendoar:13292025-09-29 11:31:03.965SEDICI (UNLP) - Universidad Nacional de La Platafalse |
dc.title.none.fl_str_mv |
Effect of TiO₂ in Fine Zircon Sintering and Properties |
title |
Effect of TiO₂ in Fine Zircon Sintering and Properties |
spellingShingle |
Effect of TiO₂ in Fine Zircon Sintering and Properties Gauna, Matías Roberto Ciencias Exactas Química Ingeniería Zircon TiO2 Processing Sintering Properties |
title_short |
Effect of TiO₂ in Fine Zircon Sintering and Properties |
title_full |
Effect of TiO₂ in Fine Zircon Sintering and Properties |
title_fullStr |
Effect of TiO₂ in Fine Zircon Sintering and Properties |
title_full_unstemmed |
Effect of TiO₂ in Fine Zircon Sintering and Properties |
title_sort |
Effect of TiO₂ in Fine Zircon Sintering and Properties |
dc.creator.none.fl_str_mv |
Gauna, Matías Roberto Martínez, Juan Manuel Conconi, María Susana Suárez, Gustavo Rendtorff Birrer, Nicolás Maximiliano |
author |
Gauna, Matías Roberto |
author_facet |
Gauna, Matías Roberto Martínez, Juan Manuel Conconi, María Susana Suárez, Gustavo Rendtorff Birrer, Nicolás Maximiliano |
author_role |
author |
author2 |
Martínez, Juan Manuel Conconi, María Susana Suárez, Gustavo Rendtorff Birrer, Nicolás Maximiliano |
author2_role |
author author author author |
dc.subject.none.fl_str_mv |
Ciencias Exactas Química Ingeniería Zircon TiO2 Processing Sintering Properties |
topic |
Ciencias Exactas Química Ingeniería Zircon TiO2 Processing Sintering Properties |
dc.description.none.fl_txt_mv |
The effect of the TiO₂ addition in the ceramic processing of dense zircon materials from zircon fine powders was established. The addition of TiO₂ (5-10 wt%) permitted to obtain dense ceramics at lower temperatures (100-150 oC below), with comparable mechanical behavior. The thermochemical processes were described after a multi-technique experimental approach, which included a sintering analysis, powder X-Ray diffraction analysis (XRD), scanning electronic microscopy (SEM) and Vickers hardness of the polished dense obtained ceramics. After 1400 oC heating programs, the added TiO₂ acts as a sintering aid with no important chemical reactions, and presented improved mechanical behavior in comparison with pure zircon ceramics. On the other side, in samples fired at 1500 oC, TiO₂ partially (≈50 %) reacts with zircon, forming ZrTiO4, while the formed SiO₂ goes to the grain boundaries. Samples with 5 wt% TiO₂ present better mechanical behavior than the ones with 10 wt%. The performed mechanical characterization indicates the merits of the material processed by this inexpensive processing route. Developed density, hardness (≈10 GPa) and fracture toughness (≈2 MPa.m<sup>-1/2</sup>) are comparable with the best figures reported. Facultad de Ciencias Exactas Centro de Tecnología de Recursos Minerales y Cerámica Facultad de Ingeniería |
description |
The effect of the TiO₂ addition in the ceramic processing of dense zircon materials from zircon fine powders was established. The addition of TiO₂ (5-10 wt%) permitted to obtain dense ceramics at lower temperatures (100-150 oC below), with comparable mechanical behavior. The thermochemical processes were described after a multi-technique experimental approach, which included a sintering analysis, powder X-Ray diffraction analysis (XRD), scanning electronic microscopy (SEM) and Vickers hardness of the polished dense obtained ceramics. After 1400 oC heating programs, the added TiO₂ acts as a sintering aid with no important chemical reactions, and presented improved mechanical behavior in comparison with pure zircon ceramics. On the other side, in samples fired at 1500 oC, TiO₂ partially (≈50 %) reacts with zircon, forming ZrTiO4, while the formed SiO₂ goes to the grain boundaries. Samples with 5 wt% TiO₂ present better mechanical behavior than the ones with 10 wt%. The performed mechanical characterization indicates the merits of the material processed by this inexpensive processing route. Developed density, hardness (≈10 GPa) and fracture toughness (≈2 MPa.m<sup>-1/2</sup>) are comparable with the best figures reported. |
publishDate |
2021 |
dc.date.none.fl_str_mv |
2021 |
dc.type.none.fl_str_mv |
info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion Articulo 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://sedici.unlp.edu.ar/handle/10915/128599 |
url |
http://sedici.unlp.edu.ar/handle/10915/128599 |
dc.language.none.fl_str_mv |
eng |
language |
eng |
dc.relation.none.fl_str_mv |
info:eu-repo/semantics/altIdentifier/issn/0350-820X info:eu-repo/semantics/altIdentifier/issn/1820-7413 info:eu-repo/semantics/altIdentifier/doi/10.2298/sos2102267g |
dc.rights.none.fl_str_mv |
info:eu-repo/semantics/openAccess http://creativecommons.org/licenses/by/4.0/ Creative Commons Attribution 4.0 International (CC BY 4.0) |
eu_rights_str_mv |
openAccess |
rights_invalid_str_mv |
http://creativecommons.org/licenses/by/4.0/ Creative Commons Attribution 4.0 International (CC BY 4.0) |
dc.format.none.fl_str_mv |
application/pdf 267-283 |
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