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Título: | Zirconia-multiwall carbon nanotubes dense nano-composites with an unusual balance between crack and ageing resistance |
Autor: | Garmendia, N.; Grandjean, Sylvie; Chevalier, Jérôme; Díaz, Luis A. CSIC ORCID; Torrecillas, Ramón CSIC ORCID CVN; Obieta, I. | Fecha de publicación: | 2011 | Editor: | Elsevier | Citación: | Journal of the European Ceramic Society 31: 1009-1014 (2011) | Resumen: | Yttria stabilized zirconia (Y-TZP) ceramics are used in a wide variety of applications, such as orthopaedic and dental implants. Y-TZP offers indeed a unique combination of biocompatibility and mechanical properties (high crack resistance for a ceramic). However, the major drawback of Y-TZP is their lack of stability: zirconia is prone to ageing, especially under humid atmosphere. Increasing the ageing resistance of Y-TZP led so far to a decrease of toughness and crack resistance. Here we show that the addition of a small volume fraction of multiwall carbon nanotubes (MWCNT) in a polycrystalline nano-structured Y-TZP sintered under specific conditions (Spark Plasma Sintering) leads to a material exhibiting a balance between ageing and crack resistance never reached before. © 2011 Elsevier Ltd. | URI: | http://hdl.handle.net/10261/50446 | DOI: | 10.1016/j.jeurceramsoc.2010.12.029 | Identificadores: | doi: 10.1016/j.jeurceramsoc.2010.12.029 issn: 0955-2219 |
Aparece en las colecciones: | (CINN) Artículos |
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