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Optimal Composite Materials using NASA Resins or POSS Nanoparticle Modifications for Low Cost Fabrication of Large Composite Aerospace Structures, Phase I

Completed

Description

Reduced mass composite materials are crucial to the success of aerospace systems, but their adoption is inhibited because they require autoclave consolidation, a process that is prohibitively expensive for large aerospace structure. To remedy this, NASA-LaRC has been developing cost-effective high-performance thermoplastic composite processing equipment that enables out-of-autoclave tape placement. In particular, NASA is working with Accudyne Systems to install a heated in situ deposition placement head to fit on NASA-LaRC's placement machine. This SBIR is to create the optimal composite material feedstock to go hand-in-hand with the thermoplastic process equipment so as to create desirable mechanical and physical properties in a part with out-of-autoclave in-situ placement. Accudyne Systems will define the matrix resin and fabricate thermoplastic tape to create the ideal in situ processible material. The first approach will be to proveout a fully amorphous composite based upon NASA 8515. This avoids the undesirable kinetics of a semi-crystalline thermoplastic like PEEK. The second approach will be to use POSS nanoparticles in semi-crystalline PEEK to accelerate crystallinity to the short time scale of the in situ process. The best options will be commercialized to allow NASA and aerospace primes to fabricate low-cost large composite structure for air and space transport.

Details

Technology areaMaterials, Structures, Mechanical Systems, and Manufacturing > Materials > Materials for Electrical Power Generation, Energy Storage, Power Distribution, and Electrical Machines
ProgramSmall Business Innovation Research/Small Business Tech Transfer (SBIR/STTR)
Lead organizationLangley Research Center, Hampton, VA
Start date2005-01-21
End date2005-07-25

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