公开(公告)号：US20220177374A1

公开(公告)日：2022-06-09

申请号：US17601270

申请日：2020-03-30

Applicant: SAFRAN CERAMICS ,  GENERAL ELECTRIC

Inventor： Eric BOUILLON ,  Michael VERRILLI ,  Eric PHILIPPE ,  Gildas GARNIER

IPC: C04B35/565 ,  C04B35/80 ,  C04B35/628

Abstract: A method of fabricating a CMC part, includes coating a plurality of tows with an interphase by transporting the tows through a treatment chamber in which a gas phase is injected, the tows being tensioned during their transport and the interphase being formed by vapor deposition from the injected gas phase; forming a fiber preform by performing three-dimensional weaving using the tows coated with the interphase; and forming a consolidated fiber preform by treating the fiber preform by chemical vapor infiltration to form a consolidation phase on the interphase, the consolidation phase comprising silicon carbide and having a Young's modulus greater than or equal to 350 GPa.

公开(公告)号：US20210292245A1

公开(公告)日：2021-09-23

申请号：US17265359

申请日：2019-07-23

Applicant: SAFRAN CERAMICS

Inventor： Eric BOUILLON ,  Eric PHILIPPE ,  Gildas GARNIER ,  Maxime François Roger CARLIN ,  Michael VERRILLI

IPC: C04B35/80 ,  F01D5/28 ,  C04B35/628

Abstract: A process for manufacturing a part made of composite material with a matrix at least predominantly made of ceramic includes producing a fibrous structure by three-dimensional or multilayer weaving; shaping the fibrous structure to form a fibrous preform core; depositing an interphase on the fibers of the preform core; consolidating the preform core by partial densification of the core including the formation of a matrix phase by chemical vapor infiltration or by a liquid process; depositing a powder of ceramic particles in the porosity of the preform core; draping one or more layers of pre-impregnated non-woven fibers over all or part of the outer surface of the preform core; heat treatment of the preform core and of the pre-impregnated layer(s) to form a hybrid fibrous preform; further densifying by infiltration of the hybrid fibrous preform with an infiltration composition containing at least silicon to obtain a ceramic matrix composite part.