Method for manufacturing an integral rotationally symmetrical metal part including a reinforcement consisting of ceramic fibers
AssigneeSnecma
InventorsBruno Jacques, Gerard Dambrine, Thierry Godon
Life of this patent
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Abstract
A method for manufacturing an integral rotationally symmetrical part, which includes producing a blank of the part around a cylindrical mandrel, the blank including at least one fibrous structure made of composite ceramic fibers coated with metal, followed by a diffusion-welding treatment of the blank by hot isostatic pressing, and optionally machining the thus-treated blank to obtain the part. The blank includes at least a first metal-wire layer between the mandrel and the composite fibrous structure, and at least a second metal-wire layer arranged around the composite fibrous structure to cover the composite fibrous structure.
Claims11
1-10. (canceled)
method for manufacturing a single-piece part of revolution, comprising:
- production of a preform of the part around a cylindrical mandrel, the preform comprising at least one fibrous structure formed by metal-coated ceramic composite fibers;
- followed by diffusion welding treatment of the preform by hot isostatic compaction, and machining of the duly treated preform to obtain the part;
- the preform comprises at least one first layer of metal wire between the mandrel and the composite fibrous structure and at least one second layer of metal wire around the composite fibrous structure so as to embed the composite fibrous structure, the mandrel comprising two tapered parts that can be separated from one another.
Dependencies are inferred from the claim text.