Patent ID: 11958784
Assignee: SAFRAN CERAMICS
Field: Materials, metallurgy (Chemistry)
Classification: CPC C  B  F  Y | IPC C  F

Claim 0:
1. A method for manufacturing a turbomachine blade made of ceramic matrix composite material, comprising at least a structural part and a functional part secured to the structural part, the functional part comprising three functional portions: a downstream wall, an upstream wall and a root platform of the blade and the structural part comprising a lower platform distinct from the root platform and the method comprising:
obtaining an assembly comprising a first preform of the functional part that is mounted on a second preform of the structural part or on the structural part, the first preform comprising a fibrous reinforcement of short fibres having a length between 50 μm and 5000 μm, and the second preform or the structural part comprising a woven fibrous reinforcement, and
densification of at least the first preform of the assembly by infiltration with a molten composition.