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US 2022/0034331 A1Published application
Composite airfoil with metal strength
AssigneeGeneral Electric Company
InventorsNitesh Jain, Sujana Chandrasekar, Ramkrishna Maripalli, Nicholas Joseph Kray, Wendy Wenling Lin
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Abstract
A laminated composite airfoil assembly includes a first lamina formed of a material including metal fibers, and at least a second lamina formed of a material including at least one of metal fibers intermixed with carbon fibers, only metal fibers, only carbon fibers, a substrate including metal fibers, a substrate including carbon fibers, and combinations thereof.
Claims20
A laminated composite airfoil assembly comprising:
- a first lamina formed of a material comprising metal fibers;
- and
- at least a second lamina formed of a material comprising at least one of metal fibers intermixed with carbon fibers, only metal fibers, only carbon fibers, a substrate comprising metal fibers, a substrate comprising carbon fibers, and combinations thereof,
- wherein the airfoil assembly comprises a plurality of laminae formed from materials including the first lamina and the second lamina, and
- wherein a subset of laminae of the plurality of laminae are formed from material comprising carbon fibers, the airfoil assembly further comprising metal threads extending into the subset of laminae of the plurality of laminae.
2 more elements
A method of forming a laminated composite airfoil assembly comprising:
- providing a first lamina formed of a material including metal fibers;
- positioning a second lamina adjacent the first lamina, the second lamina formed of a material including at least one of metal fibers intermixed with carbon fibers, only metal fibers, only carbon fibers, a substrate including metal fibers, a substrate including carbon fibers, and combinations thereof;
- and
- curing at least the first and second laminae to form the laminated composite airfoil assembly,
- wherein the airfoil assembly comprises a plurality of laminae formed from materials including the first lamina and the second lamina, and
- wherein a subset of laminae of the plurality of laminae are formed from material comprising carbon fibers, the airfoil assembly further comprising metal threads extending into the subset of the plurality of laminae.
3 more elements
An engine comprising:
- a core engine;
- and
- a fan powered by gas generated in the core engine,
- wherein the fan comprises at least one laminated composite airfoil assembly, the laminated composite airfoil assembly comprising:
- a first lamina formed of a material comprising metal fibers;
- and
- at least a second lamina formed of a material comprising at least one of metal fibers intermixed with carbon fibers, only metal fibers, only carbon fibers, a substrate comprising metal fibers, a substrate comprising carbon fibers, and combinations thereof,
- wherein the airfoil assembly comprises a plurality of laminae formed from materials including the first lamina and the second lamina, and wherein a subset of laminae of the plurality of laminae are formed from material comprising carbon fibers, the airfoil assembly further comprising metal threads extending into the subset of the plurality of laminae.
5 more elements
Dependencies are inferred from the claim text.