Back to results
US 12,623,373 B2Granted
Targeted ceramic casting core inhomogeneity
AssigneeRtx Corporation
InventorAnthony J. Del Boccio
Life of this patent
Estimating the term…
Abstract
A method for molding a ceramic core includes introducing a slurry to a mold and vibrating the mold. The slurry has: silica-containing particles; polymer fiber; and matrix precursor. The mold has an outer tool and a liner held within the outer tool. The vibrating comprises operating a plurality of vibration transducers distributed along the mold.
Claims19
A method for molding a ceramic core, the method comprising:
- introducing a slurry to a mold;
- and
- vibrating the mold,
- wherein:
- a portion of the mold defines an airfoil-forming core;
- the slurry comprises:
- silica-containing particles;
- polymer fiber;
- and
- matrix precursor;
- the mold comprises:
- an outer tool;
- and
- a liner held within the outer tool;
- and
- the vibrating comprises:
- operating a plurality of vibration transducers distributed along the mold, the vibration transducers mounted in pockets in the outer tool at a plurality of different spanwise and streamwise locations;
- and
- vibrating, via a pneumatic vibrator, a platform supporting the mold.
16 more elements
A method for molding a ceramic core, the method comprising:
- introducing a slurry to a mold;
- and
- vibrating the mold,
- wherein:
- the slurry comprises:
- silica-containing particles;
- polymer fiber;
- and
- matrix precursor;
- the mold comprises:
- an outer tool;
- and
- a liner held within the outer tool;
- and
- the vibrating comprises:
- operating a plurality of vibration transducers distributed along the mold and partially embedded in the liner and partially embedded in the outer tool.
13 more elements
A method for casting, the method comprising:
- molding a core, the molding comprising:
- introducing a slurry to a mold;
- and
- vibrating the mold;
- and
- casting alloy over the core,
- wherein:
- the slurry comprises:
- silica-containing particles;
- polymer fiber;
- and
- matrix precursor;
- the mold comprises:
- an outer tool;
- and
- a liner held within the outer tool;
- and
- the vibrating comprises:
- operating a plurality of vibration transducers distributed along the mold and mounted in pockets in the outer tool.
16 more elements
Dependencies are inferred from the claim text.