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

AuthorsPoyato, Rosalía ; Gallardo-López, A.; Gutiérrez-Mora, F.; Morales-Rodríguez, A.; Muñoz, A. ; Domínguez-Rodríguez, Alejandro
Spark Plasma Sintering
Mechanical properties
Carbon nanotubes
Issue Date2014
CitationJournal of the European Ceramic Society 34: 1571- 1579 (2014)
AbstractThis 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.
Identifiersdoi: 10.1016/j.jeurceramsoc.2013.12.024
issn: 0955-2219
Appears in Collections:(ICMS) Artículos
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