A method of defining a rib structure within an iso-grid composite component according to an exemplary aspect of the present disclosure includes, among other things, defining a first rib at least partially with a uni-tape ply bundle at a first level, the uni-tape ply bundle including uni-tape plies a
A method of defining a rib structure within an iso-grid composite component according to an exemplary aspect of the present disclosure includes, among other things, defining a first rib at least partially with a uni-tape ply bundle at a first level, the uni-tape ply bundle including uni-tape plies and a first spacer ply, and defining a second rib transverse to the first rib at least partially with a spacer at the first level, the spacer including a second, different spacer ply, the spacer transverse to the uni-tape ply bundle such that the spacer is interrupted by the uni-tape ply bundle.
대표청구항▼
1. A method of constructing a rib structure within an iso-grid composite component comprising: forming a first rib at least partially with a uni-tape ply bundle at a first level, said uni-tape ply bundle including uni-tape plies and a first spacer ply, each of said uni-tape plies including a first m
1. A method of constructing a rib structure within an iso-grid composite component comprising: forming a first rib at least partially with a uni-tape ply bundle at a first level, said uni-tape ply bundle including uni-tape plies and a first spacer ply, each of said uni-tape plies including a first material, and said first spacer ply including a second material that is different from the first material in fiber construction; andforming a second rib transverse to said first rib at least partially with a spacer at said first level, said spacer including a second, different spacer ply, said second spacer ply also including said second material, said spacer transverse to said uni-tape ply bundle such that said spacer is interrupted by said uni-tape ply bundle. 2. A method as recited in claim 1, comprising: maintaining an approximately equal height of said uni-tape ply bundle and said spacer within said first level. 3. The method as recited in claim 1, wherein said uni-tape ply bundle is a buildup of four (4) of said uni-tape plies and one (1) of said first spacer ply such that said first spacer ply separates two (2) of said uni-tape plies from two (2) other of said uni-tape plies. 4. The method as recited in claim 3, wherein said spacer is a buildup of three (3) of said second spacer plies. 5. The method as recited in claim 4, wherein said uni-tape ply bundle and said spacer are of approximately equal height. 6. The method as recited in claim 1, wherein said uni-tape ply bundle is a buildup of said uni-tape plies and said first spacer ply such that said first spacer ply separates said uni-tape plies. 7. The method as recited in claim 1, comprising: forming an interstitial ply layer adjacent said uni-tape ply bundle and said spacer, said interstitial ply layer including a third material different in fiber construction from said first material. 8. The method as recited in claim 7, comprising: forming a second spacer and a second uni-tape ply bundle adjacent said interstitial ply layer, said second spacer at least partially defining said first rib, and said second uni-tape ply bundle at least partially defining said second rib. 9. The method as recited in claim 8, wherein said second uni-tape ply bundle and said second spacer are of approximately equal height. 10. The method as recited in claim 1, wherein said fiber construction of said first material is uni-directional, and said fiber construction of said second material is fabric. 11. A method of constructing an iso-grid composite component comprising: forming a multiple of uni-tape ply bundles, each of said uni-tape ply bundles including uni-tape plies and a first spacer ply, each of said uni-tape plies including a first material and said first spacer ply including a second material that is different from the first material in fiber construction; andforming a multiple of spacers, each of said multiple of spacers including a second, different spacer ply also including said second material, each of said multiple of uni-tape ply bundles at different levels within a rib pattern such that each uni-tape ply bundle within a level of a first rib of said rib pattern is uninterrupted by at least one of said multiple of spacers which at least partially defines a second rib of said rib pattern transverse to said first rib of said rib pattern at said respective level. 12. The method as recited in claim 11, wherein each of said multiple of uni-tape ply bundles and each of said multiple of spacers is of approximately equal height within said respective level. 13. The method as recited in claim 11, comprising: forming an interstitial ply layer adjacent each level of said multiple of uni-tape ply bundles and said multiple of spacers within said respective level, said interstitial ply layer including a third material different in fiber construction from said first material. 14. The method as recited in claim 13, wherein said first rib and said second rib define a space at each of said respective levels, said space extending at least partially between said respective levels, said space being free of said multiple of uni-tape ply bundles and said multiple of spacers, said interstitial ply at least partially disposed within said space. 15. The method as recited in claim 11, wherein the step of forming said multiple of uni-tape ply bundles includes alternating said multiple of uni-tape ply bundles at different levels within said rib pattern such that each uni-tape ply bundle within a level of said second rib of said rib pattern is uninterrupted by at least one of said multiple of spacers which at least partially defines said first rib of said rib pattern at said respective level. 16. The method as recited in claim 11, wherein said iso-grid composite component is a portion of an external flap of an exhaust nozzle. 17. A method of constructing an iso-grid composite component comprising: forming a uni-tape ply bundle including uni-tape plies and a first spacer ply, each of said uni-tape plies defining a first height, said first spacer ply defining a second height different from said first height; andforming a spacer including a second spacer ply, said second spacer ply defining a third height different from said first height, said spacer transverse to said uni-tape ply bundle such that said spacer is interrupted by said uni-tape ply bundle. 18. The method as recited in claim 17, wherein each of said uni-tape plies includes a first material, said first spacer ply includes a second material that is different from said first material in fiber construction, and said second spacer ply also includes said second material. 19. The method as recited in claim 17, comprising: forming an interstitial ply layer adjacent said uni-tape ply bundle and said spacer, said interstitial ply layer including a third material different in fiber configuration from said first material. 20. The method as recited in claim 17, wherein said iso-grid composite component is a portion of an external flap of a convergent-divergent exhaust nozzle.
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