A system may include a structure having a leading edge and a fiber-reinforced composite cover. The fiber-reinforced composite cover may include a protective portion and a retaining portion, wherein the retaining portion extends about the structure to self-retain the protective portion along the lead
A system may include a structure having a leading edge and a fiber-reinforced composite cover. The fiber-reinforced composite cover may include a protective portion and a retaining portion, wherein the retaining portion extends about the structure to self-retain the protective portion along the leading edge, and the protective portion is different from the retaining portion.
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1. A system, comprising: a structure having a leading edge; wherein the structure comprises an airfoil, a rotary blade, a stationary vane of a rotary machine, or a combination thereof; anda fiber-reinforced composite cover comprising a protective portion and a retaining portion, wherein the retainin
1. A system, comprising: a structure having a leading edge; wherein the structure comprises an airfoil, a rotary blade, a stationary vane of a rotary machine, or a combination thereof; anda fiber-reinforced composite cover comprising a protective portion and a retaining portion, wherein the retaining portion extends about the structure to self-retain the protective portion along the leading edge, the protective portion is different from the retaining portion, the protective portion comprises an outermost layer of the fiber-reinforced composite cover, and first edges of the protective portion are coupled to second edges of the retaining portion without overlap of the first and second edges. 2. The system of claim 1, wherein the protective portion comprises a first fiber-reinforced composite. 3. The system of claim 2, wherein the retaining portion comprises a second fiber-reinforced composite. 4. The system of claim 3, wherein the first and second fiber-reinforced composites comprise different materials than one another. 5. The system of claim 3, wherein the first fiber-reinforced composite has a thickness greater than the second fiber-reinforced composite. 6. The system of claim 3, wherein the first fiber-reinforced composite has a fiber volume greater than the second fiber-reinforced composite. 7. The system of claim 3, wherein the first fiber-reinforced composite, or the second fiber-reinforced composite, or both, comprise para-aramid fibers disposed in a matrix material. 8. The system of claim 1, wherein the fiber-reinforced composite cover comprises a sleeve defined by the protective portion and the retaining portion. 9. The system of claim 1, wherein the retaining portion comprises a plurality of loops coupled to the protective portion. 10. The system of claim 1, comprising a turbine engine, an aircraft, or a combination thereof, having the structure and the fiber-reinforced composite cover. 11. A system, comprising: a fiber-reinforced composite cover comprising a protective portion and a retaining portion, wherein the fiber-reinforced composite cover comprises at least one loop, the retaining portion is configured to self-retain the fiber-reinforced composite cover about a structure, with the protective portion comprising an outermost layer of the fiber-reinforced composite cover, the protective portion is different from the retaining portion, the protective portion comprises a first fiber-reinforced composite, and first edges of the protective portion are coupled to second edges of the retaining portion without overlap of the first and second edges. 12. The system of claim 11, wherein the first fiber-reinforced composite comprises a plurality of fibers disposed in a matrix material, and the plurality of fibers comprises metal fibers, ceramic fibers, polymer fibers, or a combination thereof. 13. The system of claim 11, wherein the retaining portion comprises a second fiber-reinforced composite, wherein the first and second fiber-reinforced composites comprise different materials, different thicknesses, different hardnesses, or different fiber volumes, relative to one another. 14. The system of claim 11, wherein the fiber-reinforced composite cover comprises a sleeve defined by the protective portion and the retaining portion. 15. The system of claim 11, wherein the retaining portion comprises a plurality of loops configured to self-retain the fiber-reinforced composite cover about the structure. 16. The system of claim 11, comprising the structure, wherein the structure comprises an airfoil, a rotary blade, a stationary vane of a rotary machine, or a combination thereof. 17. A system, comprising: a turbine engine comprising a rotary blade having an edge; anda fiber-reinforced composite cover comprising a protective portion and a retaining portion defining at least one loop, wherein the at least one loop extends about the rotary blade to self-retain and self-conform the protective portion along the edge, the protective portion comprises a first fiber-reinforced composite, the protective portion and the retaining portion comprise different materials, different thickness, different hardnesses, or different densities, relative to one another, and the protective portion comprises an outermost layer of the fiber-reinforced composite cover. 18. The system of claim 17, wherein the retaining portion comprises a second fiber-reinforced composite, wherein the first and second fiber-reinforced composites comprise different materials, different thicknesses, different hardnesses, or different fiber volumes, relative to one another. 19. The system of claim 17, comprising a plurality of fiber-reinforced composite covers disposed about the rotary blade to define multiple layers along the edge. 20. The system of claim 17, wherein the retaining portion has a greater elasticity than the protective portion.
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Thorneburg James L. (P.O. Box 5440 Statesville NC 28677), Athletic socks with integrally knit arch cushion.
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