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Título: | Electroconductive alumina-TiC-Ni nanocomposites obtained by spark plasma sintering |
Autor: | Rodríguez Suárez, Teresa CSIC; Bartolomé, Jose F. CSIC ORCID; Smirnov, Anton CSIC ORCID; López-Esteban, Sonia CSIC ORCID; Díaz, Luis A. CSIC ORCID; Torrecillas, Ramón CSIC ORCID CVN; Moya, J. S. CSIC | Fecha de publicación: | 2011 | Editor: | Elsevier | Citación: | Ceramics International 37(5): 1631-1636 (2011) | Resumen: | In the present work, the processing and characterization of electroconductive Alumina-TiC-Ni nanocomposites obtained by Spark Plasma Sintering (SPS) are described. These nanocomposites are singular due to the excellent mechanical properties they present (particular regarding Vickers hardness, 25.6 ± 0.7 GPa), as well as their extremely good wear behaviour, studied under "ball-on-disk" dry sliding conditions. The wear rate obtained was 25 times (almost 1.5 orders of magnitude) smaller than the value obtained for a monolithic alumina sintered under the same conditions. Flexural strength had been improved up to 75% with respect to the monolithic alumina processed under the same conditions. As these nanocomposites can be machined by electroerosion (EDM), they can adopt any shape for devices requiring a good mechanical performance and low wear rates. © 2011 Elsevier Ltd and Techna Group S.r.l. | Descripción: | El pdf del artículo es la versión post-print. | Versión del editor: | http://dx.doi.org/10.1016/j.ceramint.2011.01.033 | URI: | http://hdl.handle.net/10261/50394 | DOI: | 10.1016/j.ceramint.2011.01.033 | Identificadores: | doi: 10.1016/j.ceramint.2011.01.033 issn: 0272-8842 |
Aparece en las colecciones: | (CINN) Artículos (ICMM) Artículos |
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