{"project":{"acronym":"","projectId":17883,"title":"Seam Joining Techniques for Three-Dimensional Woven Carbon Naterial of at Least 1\" Thickness.","primaryTaxonomyNodes":[{"taxonomyNodeId":10862,"taxonomyRootId":8816,"parentNodeId":10855,"level":3,"code":"TX12.1.7","title":"Special Materials","definition":"This area covers materials with specialized functions.","exampleTechnologies":"Adhesive materials concepts, nanofiltering and fluid barrier materials, porous/non-porous materials, optically transparent window materials, materials with negative refractive index, aerogels, metamaterials, topological materials, functionally graded materials, metallic glasses, nanocrystalline metals, materials with controllable CTE, multifunctional laminates, shape memory alloys, high entropy alloys, multi-functional materials","hasChildren":false,"hasInteriorContent":true}],"startTrl":2,"currentTrl":3,"endTrl":3,"benefits":"The completion of the project will result in a method for joining and repairing mid-to-high density ablative TPS materials of at least 1\" thickness. This project will provide new ways of adequately designing large and/or complex shapes for heat shields to protect the spacecraft, enabling operation under harsher conditions with a reduction in both weight and cost. The next generation of crew reentry vehicles being designed by NASA will require more advanced Thermal Protection System (TPS) designs than the conservative approaches currently used. While new TPS materials are under development, a key difficulty is the ability to create the joining seam TPS material which is not reduce the thermal-mechanical performance compared TPS woven material. This project helps address that difficulty.
As our society becomes more dependent upon satellites for worldwide communications, weather prediction, global positioning, and countless other applications, the need to be able to add, service, replace, and remove satellites grows, and with it the need for more efficient commercial re-entry vehicles capable of performing these tasks. This project helps enable these vehicles as well as the more exotic exploration vehicles.","description":"Heat shield technology is a critical component for both re-entry and hypersonic vehicles. The traditional manufacturing approach for designing heat shields consists of joining TPS tiles together with an adhesive that fills any gaps between them. This approach has significant challenges, including the reduction in thermal-mechanical performance as compared to that of acreage woven material. Nhung's Notions proposes to address this problem by modifying existing equipment to mechanically join these materials prior to infusion. In Phase I, we will determine the material and pattern parameters required to use with equipment to prepare the joins while minimizing damage to the pristine woven material while maintaining consistent thickness between pre- and post- joined material keeping pattern consistency throughout the process.","startYear":2014,"startMonth":6,"endYear":2014,"endMonth":12,"statusDescription":"Completed","principalInvestigators":[{"contactId":507006,"canUserEdit":false,"firstName":"Pham","lastName":"Tuyetnhung","fullName":"Pham Tuyetnhung","fullNameInverted":"Tuyetnhung, Pham","primaryEmail":"nhung@nhungsnotions.com","publicEmail":true,"nacontact":false}],"programDirectors":[{"contactId":206378,"canUserEdit":false,"firstName":"Jason","lastName":"Kessler","fullName":"Jason L Kessler","fullNameInverted":"Kessler, Jason L","middleInitial":"L","primaryEmail":"jason.l.kessler@nasa.gov","publicEmail":true,"nacontact":false}],"programExecutives":[{"contactId":215154,"canUserEdit":false,"firstName":"Jennifer","lastName":"Gustetic","fullName":"Jennifer L Gustetic","fullNameInverted":"Gustetic, Jennifer L","middleInitial":"L","primaryEmail":"jennifer.l.gustetic@nasa.gov","publicEmail":true,"nacontact":false}],"programManagers":[{"contactId":62051,"canUserEdit":false,"firstName":"Carlos","lastName":"Torrez","fullName":"Carlos Torrez","fullNameInverted":"Torrez, Carlos","primaryEmail":"carlos.torrez@nasa.gov","publicEmail":true,"nacontact":false}],"projectManagers":[{"contactId":461333,"canUserEdit":false,"firstName":"Theresa","lastName":"Stanley","fullName":"Theresa M Stanley","fullNameInverted":"Stanley, Theresa M","middleInitial":"M","primaryEmail":"theresa.m.stanley@nasa.gov","publicEmail":true,"nacontact":false},{"contactId":3164621,"canUserEdit":false,"firstName":"Keith","lastName":"Peterson","fullName":"Keith Peterson","fullNameInverted":"Peterson, Keith","primaryEmail":"Keith.h.peterson@nasa.gov","publicEmail":true,"nacontact":false}],"website":"","libraryItems":[{"caption":"Seam joining techniques for three-dimensional woven carbon material of at least 1\" thickness. 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The NASA SBIR and STTR programs fund the research, development, and demonstration of innovative technologies that fulfill NASA needs as described in the annual Solicitations and have significant potential for successful commercialization. If you are a small business concern (SBC) with 500 or fewer employees or a non-profit RI such as a university or a research laboratory with ties to an SBC, then NASA encourages you to learn more about the SBIR and STTR programs as a potential source of seed funding for the development of your innovations.
The SBIR and STTR programs have 3 phases:
The SBIR and STTR Phase I contracts last for 6 months with a maximum funding of $125,000, and Phase II contracts last for 24 months with a maximum funding of $750,000 - $1.5 million.
Opportunity for Continued Technology Development Post-Phase II:
The NASA SBIR/STTR Program currently has in place two initiatives for supporting its small business partners past the basic Phase I and Phase II elements of the program that emphasize opportunities for commercialization. Specifically, the NASA SBIR/STTR Program has the Phase II Enhancement (Phase II-E) and Phase II eXpanded (Phase II-X) contract options.
Please review the links below to obtain more information on the SBIR/STTR programs.
Provides an overview of the SBIR and STTR programs as implemented by NASA
Provides access to the annual SBIR/STTR Solicitations containing detailed information on the program eligibility requirements, proposal instructions and research topics and subtopics
Schedule and links for the SBIR/STTR solicitations and selection announcements
Federal and non-Federal sources of assistance for small business
Search our complete archive of awarded project abstracts to learn about what NASA has funded
Still have questions? Visit the program FAQs
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