BESNARD, C.; ALLEMAND, Alexandre; DAVID, P.; MAILLE, Laurence

doi:10.1016/j.jeurceramsoc.2020.02.021

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BESNARD, C.
Laboratoire des Composites Thermostructuraux [LCTS]

ALLEMAND, Alexandre
Laboratoire des Composites Thermostructuraux [LCTS]

DAVID, P.
CEA Le Ripault [CEA Le Ripault]

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Journal of the European Ceramic Society. 2020-08-01, vol. 40, n° 9, p. 3494-3497

Resumen en inglés

An original oxide/oxide ceramic-matrix composite containing mullite-based fibers and a barium aluminosilicate matrix has been synthesized by the film boiling chemical vapour infiltration process. Alkoxides were used as liquid precursors for aluminum, silicon and barium oxides. The structure and microstructure of the oxide matrix were characterized by Scanning Electron Microscopy, Energy Dispersive Spectroscopy and X-ray diffraction. Apart from small residual mullite and amorphous phase amounts, the oxide matrix is composed of the hexacelsian phase, conferring to the material interesting perspectives for high-temperature electromagnetic and structural applications.< Leer menos

Palabras clave en inglés

film-boiling process

hexacelsian barium aluminosilicate (BAS)

ceramic matrix composite (CMC)

oxide/oxide composite