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Alumina-Ceria-TZP nanocomposites obtained in an alcohol medium by two differente processing routes

AuthorsGoyos, Lidia ; Díaz, Luis A. ; Torrecillas, Ramón
Issue Date2012
AbstractAlumina-CeTZP nanocomposites have been obtained both, by applying a colloidal processing route in an alcohol medium, using alumina and alumina doped CeTZP nanopowders, and also by conventional powder mixtures of alumina and CeTZP with two different ceria contents (10 and 12 mol%). In all cases it has been possible to obtain fully dense nanocomposites after sintering under an air atmosphere. These nanocomposites, obtained using conventional processing techniques showed different sensibility to zirconia transformation, however, in all cases the mechanical properties were found to be very similar, showing flexural strength values in the range of 600–700 MPa and fracture toughness values of around 7-8 MPa m−1/2. This paper compares the properties of these composites to those of conventional Y-TZP ceramics and discusses their suitability for different biomedical applications.
DescriptionTrabajo presentado al 15th European Conference on Composite Materials celebrado en Venecia (Italia) del 24 al 28 de junio de 2012.
Appears in Collections:(CINN) Comunicaciones congresos
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