Microstructure and mechanical properties of 5.8 GHz microwave-sintered ZrO2/Al2O3 ceramics

Aim of the present study is to sinter zirconia nanocomposite powders doped with ceria and toughened with alumina (10Ce-TZP/Al2O3) by non-conventional means, i.e. microwave sintering technology. The sintering effects of various microwave applicators and frequency generators were evaluated using an op...

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Detalhes bibliográficos
Autores: Gil-Flores, Lorena, Salvador, M. D., Peñaranda Foix, Felipe Laureano, Fernández, Adolfo, Suárez, Marta, Rosa, Roberto, Veronesi, Paolo, Leonelli, Cristina, Borrell, Amparo
Formato: artículo
Estado:Versión aceptada para publicación
Fecha de publicación:2019
País:España
Recursos:Consejo Superior de Investigaciones Científicas (CSIC)
Repositorio:DIGITAL.CSIC. Repositorio Institucional del CSIC
OAI Identifier:oai:digital.csic.es:10261/201802
Acesso em linha:http://hdl.handle.net/10261/201802
Access Level:acceso abierto
Palavra-chave:Zirconia-alumina
Ceria
Microwave sintering
Bioceramics
Mechanical properties
Microstructure
Descrição
Resumo:Aim of the present study is to sinter zirconia nanocomposite powders doped with ceria and toughened with alumina (10Ce-TZP/Al2O3) by non-conventional means, i.e. microwave sintering technology. The sintering effects of various microwave applicators and frequency generators were evaluated using an optimised experimental set-up. The microwave-sintered samples were compared with the composites sintered by the conventional method. The mechanical properties of the ceramic composites were evaluated by their hardness, fracture toughness and Young's modulus. Likewise, their density and microstructure were analysed.