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PROCEDE DE FABRICATION D'UN PANNEAU CERAMIQUE D'ATTENUATION ACOUSTIQUE DE FORME COURBEE
A method of fabricating a sound attenuation panel of curved shape, the method including impregnating a fiber structure defining a cellular structure with a ceramic precursor resin; polymerizing the ceramic precursor resin while holding the fiber structure on tooling presenting a curved shape corresponding to the final shape of the cellular structure; docking the cellular structure with first and second skins, each formed by a fiber structure impregnated with a ceramic precursor resin, each skin being docked to the cellular structure before or after polymerizing the resin of the skins; pyrolyzing the assembly constituted by the cellular structure and the first and second skins; and densifying the assembly by chemical vapor infiltration.
PROCEDE DE FABRICATION D'UN PANNEAU CERAMIQUE D'ATTENUATION ACOUSTIQUE DE FORME COURBEE
A method of fabricating a sound attenuation panel of curved shape, the method including impregnating a fiber structure defining a cellular structure with a ceramic precursor resin; polymerizing the ceramic precursor resin while holding the fiber structure on tooling presenting a curved shape corresponding to the final shape of the cellular structure; docking the cellular structure with first and second skins, each formed by a fiber structure impregnated with a ceramic precursor resin, each skin being docked to the cellular structure before or after polymerizing the resin of the skins; pyrolyzing the assembly constituted by the cellular structure and the first and second skins; and densifying the assembly by chemical vapor infiltration.
PROCEDE DE FABRICATION D'UN PANNEAU CERAMIQUE D'ATTENUATION ACOUSTIQUE DE FORME COURBEE
PROCESS FOR MANUFACTURING A CURVED CERAMIC SOUND-ATTENUATING PANEL
VERFAHREN ZUR HERSTELLUNG EINER KERAMISCHEN, KURVENFÖRMIGEN, SCHALLDÄMPFENDEN PLATTE
FOUQUET STÉPHANIE (Autor:in) / JIMENEZ SÉBASTIEN (Autor:in) / PHILIPPE ERIC (Autor:in) / GOULLIANE EDDY (Autor:in)
08.08.2018
Patent
Elektronische Ressource
Französisch
IPC:
B32B
LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
,
Schichtkörper, d.h. aus Ebenen oder gewölbten Schichten, z.B. mit zell- oder wabenförmiger Form, aufgebaute Erzeugnisse
/
C04B
Kalk
,
LIME
/
E04C
STRUCTURAL ELEMENTS
,
Bauelemente
/
F02C
Gasturbinenanlagen
,
GAS-TURBINE PLANTS
/
F02K
JET-PROPULSION PLANTS
,
Strahltriebwerke
/
G10K
Tonerzeugungsvorrichtungen
,
SOUND-PRODUCING DEVICES
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