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Título

Fabrication of C/SiC composites by combining liquid infiltration process and spark plasma sintering technique

AutorCenteno Pérez, Alba CSIC; Rocha, Victoria G. CSIC ORCID ; Borrell, Amparo; Blanco Rodríguez, Clara CSIC ORCID ; Fernández, Adolfo CSIC ORCID
Palabras claveSintering
C/SiC composites
Microstructure
Liquid infiltration process
Fecha de publicaciónabr-2012
EditorElsevier
CitaciónCeramics International 38(3): 2171-2175 (2012)
ResumenCarbon fibre-reinforced silicon carbide composites (C-SiC) were fabricated combining, for the first time, a liquid infiltration process (LI) of a mesophase pitch doped with silicon carbide nanoparticles followed by reactive liquid silicon infiltration using Spark Plasma Sintering (SPS) technique. A graphitization step was applied in order to improve the effectiveness of the processing. Up to three different morphologies of SiC particles were identified with a noticeable influence on the preliminary oxidation tests carried out. The presence of SiC nanoparticles added to the carbon matrix affects the morphology of the SiC obtained by in situ reaction of silicon and carbon during the LI process by SPS and it leads to an improvement of the material oxidation resistance. The results show that SPS is a promising method to develop C-SiC composites in a short time and with a high efficiency in the liquid silicon infiltration process.
Descripción5 páginas, 4 figuras, 1 tabla.-- El pdf del artículo es la versión post-print.
Versión del editorhttp://dx.doi.org/10.1016/j.ceramint.2011.10.060
URIhttp://hdl.handle.net/10261/48243
DOI10.1016/j.ceramint.2011.10.060
ISSN0272-8842
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