Production of nanoTiC–graphite composites using Ti-doped self-sintering carbon mesophase powder

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Title: Production of nanoTiC–graphite composites using Ti-doped self-sintering carbon mesophase powder
Authors: Ramos Fernández, José Manuel | Martinez-Escandell, Manuel | Rodríguez Reinoso, Francisco
Research Group/s: Materiales Avanzados
Center, Department or Service: Universidad de Alicante. Departamento de Química Inorgánica | Universidad de Alicante. Instituto Universitario de Materiales
Keywords: Pyrolysis | Graphite | Heat treatment | Thermal analysis | Thermal properties
Knowledge Area: Química Inorgánica
Issue Date: Mar-2013
Publisher: Elsevier
Citation: Journal of the European Ceramic Society. 2013, 33(3): 583-591. doi:10.1016/j.jeurceramsoc.2012.09.019
Abstract: This work reports the synthesis of nanoTiC–graphite composites using mesophase pitch containing titanium as TiC or TiO2 nanoparticles. NanoTiC–graphite composites have been prepared using Ti-doped self-sintering mesophase powders as starting materials without using any binders or a metal carbide-carbon mixing stage. The effect of manufacture variables on the graphite compacts properties was studied. Graphites were characterised using XRD and Raman spectroscopy, SEM and TEM, as well as by their mechanical, electrical and thermal properties. The presence of TiC promotes graphitisation producing materials with larger crystal sizes. The kind of titanium source and mesophase content of the starting pitch affects to the final properties. Mesophase pitch with higher amount of mesophase content produces graphites with higher degree of graphitisation. The incorporation of TiC nanoparticles to the graphites composites improved thermal conductivity more than four times, and mechanical properties are not significantly modified by the presence of TiC.
Sponsor: Financial support from the UE, Project NMP3-CT-2004-500253 (EXTREMAT), is acknowledged.
ISSN: 0955-2219 (Print) | 1873-619X (Online)
DOI: 10.1016/j.jeurceramsoc.2012.09.019
Language: eng
Type: info:eu-repo/semantics/article
Peer Review: si
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Appears in Collections:INV - LMA - Artículos de Revistas

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