1276. New and Innovative Structures Technologies Meet the Weight Challenge
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Paper
Abstract
Aircraft technology is continually being challenged to develop new and innovative aircraft concepts with higher performance and lower cost. In the structures area, several new advances are meeting this challenge. Large and complex primary structure components designed for integral composite fabrication methods show significant improvement over conventional composite techniques. Superplastic formed and diffusion bonded (SPF/DB) titanium offers low-cost methods of fabricating efficient aircraft hardware. Fiber reinforced advanced titanium (FRAT) promises to effectively combine the high strength/stiffness and tailorability of filamentary composites with the low-cost fabrication methods of SPF/DB. Because of the large amounts of aluminum material in use on today’s aircraft and foreseen for the aircraft of the future, powder metallurgy (M) techniques for fabricating what would normally be difficult and costly machined parts will tend to find increasing application throughout airframe structures. These and other new and advanced technologies are presented showing their impact on the aircraft of the future.
