Composite article having reinforcing fibers oriented to suppress or delay ply splitting
First Claim
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1. A composite article comprising a plurality of reinforcing fibers embedded in a matrix, the fibers having a fiber orientation of ±
- α
with respect to an axis of loading, where α
=2 to 8 degrees for suppression or delay of ply splitting.
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Abstract
A composite article comprises a plurality of reinforcing fibers embedded in a matrix. The fibers have a fiber orientation of ±α with respect to an axis of loading, where α=2 to 8 degrees to suppress or delay ply splitting.
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Citations
20 Claims
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1. A composite article comprising a plurality of reinforcing fibers embedded in a matrix, the fibers having a fiber orientation of ±
- α
with respect to an axis of loading, where α
=2 to 8 degrees for suppression or delay of ply splitting. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11)
- α
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12. A method of manufacturing a composite article comprising laying up plies of reinforcing fibers on a tool, wherein the fibers in at least some of the plies have an orientation of ±
- α
with respect to a uni-axial load bearing direction of the article, where α
=2 to 8 degrees. - View Dependent Claims (13, 14, 15, 16, 17)
- α
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18. A method of manufacturing a composite article, comprising creating a laminate of reinforcing fibers embedded in a matrix, the fibers having an orientation of ±
- α
with respect to a uni-axial load bearing direction of the article; and
machining at least some of the fibers, the fiber orientation suppressing or delaying ply splitting in the composite article when the article is loaded in tension or compression. - View Dependent Claims (19, 20)
- α
Specification