Method of producing an internal cavity in a ceramic matrix composite and mandrel therefor
Patent
·
OSTI ID:1600188
A process for producing an internal cavity in a CMC article and mandrels used therewith. The process entails incorporating a mandrel made of a material that is substantially absorbed during thermal treatment of a preform to form the CMC article. The mandrel material is preferably reactive with one or more constituents of the CMC preform during the thermal treatment. The material is preferably silicon or a silicon alloy.
- Research Organization:
- General Electric Company, Schenectady, NY (United States)
- Sponsoring Organization:
- USDOE
- DOE Contract Number:
- FC26-05NT42643
- Assignee:
- General Electric Company (Schenectady, NY)
- Patent Number(s):
- 10,450,235
- Application Number:
- 13/780,306
- OSTI ID:
- 1600188
- Country of Publication:
- United States
- Language:
- English
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