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Manufacturing of ceramic matrix composite using a hybrid process combining TiSi2 active filler infiltration and preceramic impregnation and pyrolysis

Journal of the European Ceramic Society, 2014, Vol.34 (2), p.189-195 [Peer Reviewed Journal]

Distributed under a Creative Commons Attribution 4.0 International License ;ISSN: 0955-2219 ;EISSN: 1873-619X ;DOI: 10.1016/j.jeurceramsoc.2013.08.031

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  • Title:
    Manufacturing of ceramic matrix composite using a hybrid process combining TiSi2 active filler infiltration and preceramic impregnation and pyrolysis
  • Author: Maillé, Laurence ; Le Ber, Simon ; Dourges, Marie-Anne A ; Pailler, René ; Guette, Alain ; Roger, Jérôme
  • Subjects: Chemical Sciences ; Material chemistry
  • Is Part Of: Journal of the European Ceramic Society, 2014, Vol.34 (2), p.189-195
  • Description: The manufacturing of silicon carbide reinforced ceramic matrix composites by a hybrid process is explored. Fibre preforms are infiltrated with TiSi 2 powders using the slurry method. Using TiSi 2 active filler leads to reduce the porosity by the subsequent formation of nitride phases after treatment under N 2 atmosphere at low temperatures (≤ 1100°C). Taking into account the influence of the specific surface area of the powder on the nitridation rate, it is shown that it is possible to produce nitrides TiN and Si 3 N 4 at 1100°C with an interesting volume expansion inside the composite. To complete the densification of the composite, a polymer impregnation and pyrolysis (PIP) process are performed with a liquid polymeric precursor. Characterizations of the composites show that mechanical properties are improved with the presence of the TiN and Si 3 N 4 phases, and the number of PIP cycles.
  • Publisher: Elsevier
  • Language: English
  • Identifier: ISSN: 0955-2219
    EISSN: 1873-619X
    DOI: 10.1016/j.jeurceramsoc.2013.08.031
  • Source: Hyper Article en Ligne (HAL) (Open Access)
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