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Título

Effect of high SWNT content on the room temperature mechanical properties of fully dense 3YTZP/SWNT composites

Autor Poyato, Rosalía ; Gallardo-López, A.; Gutiérrez-Mora, F.; Morales-Rodríguez, A.; Muñoz, A. ; Domínguez-Rodríguez, Alejandro
Palabras clave Processing
Spark Plasma Sintering
Mechanical properties
Carbon nanotubes
Composites
Fecha de publicación 2014
EditorElsevier
Citación Journal of the European Ceramic Society 34: 1571- 1579 (2014)
ResumenThis paper is devoted to correlate the microstructure and room temperature mechanical properties of single-wall carbon nanotube (SWNT) reinforced 3. mol% yttria stabilized tetragonal zirconia with high SWNT content (2.5, 5 and 10. vol%). Fully dense composites were prepared by using a combination of aqueous colloidal powder processing and Spark Plasma Sintering. SWNTs were located at the ceramic grain boundaries and they were not damaged during the sintering process. The weak interfacial bonding between SWNTs and ceramic grains together with the detachment of SWNTs within thick bundles have been pointed out as responsible for the decrease of hardness and fracture toughness of the composites in comparison with the monolithic 3YTZP ceramic. © 2014 Elsevier Ltd.
URI http://hdl.handle.net/10261/102004
DOI10.1016/j.jeurceramsoc.2013.12.024
Identificadoresdoi: 10.1016/j.jeurceramsoc.2013.12.024
issn: 0955-2219
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