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Technologies and Capabilities

Area(s) of Significant Benefit Safety Performance Sustainability Operations Infrastructure . High temperature, low-density, durable multilayer TPS for acreage or leading edge applications. Technologies and Capabilities

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Technologies and Capabilities

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  1. Area(s) of Significant Benefit Safety Performance Sustainability Operations Infrastructure High temperature, low-density, durable multilayer TPS for acreage or leading edge applications • Technologies and Capabilities • Based on TUFI technology a reusable rigid TPS substrates with added surface treatment for good impact resistance, to minimize tile repairs or replacements would be developed. • We will incorporate materials being developed for the leading edge of X-37 (improved TUFI and substrates) as they become available in 2005. • Low density tile materials reduce the TPS mass and eliminate the need for reinforced carbon carbon (RCC). • Various material combinations will be optimized based on the magnitude and duration of temperature to be withstood. • Description • Improved temperature capability of TPS beyond that of TUFI-coated AETB substrate, could be multilayer, or functionally gradient, low density TPS materials that vary from a high-temperature, impact-resistant outer layer to an insulating inner layer. • The outer material, reusable at 3000°F or higher, can be a rigid ceramic foam, new high-temperature fibers, or oxidation-protected porous carbonaceous material. An improved TUFI-like surface treatment will be used for impact resistance. The inner layer will be a low conductivity tile. Benefits and Impacts Obsolescence Reduction Risk Reduction Safety Improvement Cost Reduction Process Improvement Other Operations Improvement Performance Enhancement • POC, Cost, Schedule and Maturity • TRL 5 to 6, Multilayer Acreage TPS, by 2007 • TRL 5 to 6, Multilayer Leading Edge TPS, by 2008 • POC: Dr. Frank S. Milos, NASA ARC (650) 604-5636 • Higher temperature insulating TPS enables a greater range of vehicle designs and mission scenarios. • These reusable materials may be useful as substrates for new ablators for interplanetary missions. • Reduction in Category 1 Failure Rate of 1.0%

  2. High temperature, low-density, durable multilayer TPS for acreage or leading edge applications • Total Project Costs: $ 24.0 M • Feasibility: $ 11 M • Formulation: $ 6 M • Implementation: $ 7 M • Project Submitted By: Frank S. Milos, NASA Ames (650) 604-5636

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