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Artículo

Differences in microstructure and mechanical properties between Y-TZP and AL2O3-doped Y-TZP/bioglass ceramics

Soubelet, Clara GabrielaIcon ; Albano, Maria PatriciaIcon
Fecha de publicación: 11/2021
Editorial: Wiley Blackwell Publishing, Inc
Revista: International Journal Of Applied Ceramic Technology
ISSN: 1546-542X
Idioma: Inglés
Tipo de recurso: Artículo publicado
Clasificación temática:
Cerámicos

Resumen

Y-TZP (YZ) and Al2O3-doped Y-TZP (AYZ) bioceramics with addition of different contents of a refractory bioglass were fabricated. The influence of the glass addition and sintering temperature on the densification behavior, microstructure, and mechanical properties of YZ and AYZ was studied. The developed ceramics contained small amounts of ZrSiO4 and Ca2P2O7 phases within the ZrO2 matrix. The incorporation of glass to YZ promoted the ZrO2 phase partitioning and enhanced the ZrO2 grain growth at all the sintering temperatures, whereas the glass addition in AYZ prevented the Y2O3 redistribution between ZrO2 grains and limited the ZrO2 grain growth at 1300–1400°C. The hardness of the samples with glass was not significantly altered by using either YZ or AYZ. A slight increase in the fracture toughness with increasing glass content was found for YZ, while the fractured toughness of AYZ decreased by the glass addition. The more pronounced ZrO2 phase partitioning of YZ with glass decreased the flexural strength, whereas AYZ maintained almost unaltered its flexural strength at a high level by the glass incorporation.
Palabras clave: BIOCERAMICS , MECHANICAL PROPERTIES , MICROSTRUCTURE , Y-TZP AND AL2O3-DOPED Y-TZP WITH BIOGLASS ADDITION , ZRO2 PHASE PARTITIONING
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info:eu-repo/semantics/restrictedAccess Excepto donde se diga explícitamente, este item se publica bajo la siguiente descripción: Creative Commons Attribution-NonCommercial-ShareAlike 2.5 Unported (CC BY-NC-SA 2.5)
Identificadores
URI: http://hdl.handle.net/11336/180970
DOI: http://dx.doi.org/10.1111/ijac.13864
URL: https://ceramics.onlinelibrary.wiley.com/doi/10.1111/ijac.13864
Colecciones
Articulos(CETMIC)
Articulos de CENTRO TECNOL.DE REC.MINERALES Y CERAMICA (I)
Citación
Soubelet, Clara Gabriela; Albano, Maria Patricia; Differences in microstructure and mechanical properties between Y-TZP and AL2O3-doped Y-TZP/bioglass ceramics; Wiley Blackwell Publishing, Inc; International Journal Of Applied Ceramic Technology; 18; 6; 11-2021; 2237-2249
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