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Status of reusable surface insulation thermal protection system technology programsThe development of three low-density rigidized insulation materials for the shuttle TPS application is reported. These materials consist of one high purity silica system and two systems based on mullite, an aluminum silicate. Both systems consist of fibers joined together with appropriate binders to obtain a rigidized insulation composite. Both material systems require the application of a glassy coating to provide a wear resistant, high emittance surface and to prevent the absorption of water by the fiber matrix. The technology program has addressed the development of water impervious coatings, methods of assembling the materials in design concepts while minimizing the thermal stress in the insulation, achieving compatibility between the RSI material and the structural system, and test evaluations to demonstrate the feasibility of the surface insulation concept.
Document ID
19720023230
Acquisition Source
Legacy CDMS
Document Type
Conference Paper
Authors
Greenshields, D. H.
(NASA Lyndon B. Johnson Space Center Houston, TX, United States)
Meyer, A. J.
(NASA Lyndon B. Johnson Space Center Houston, TX, United States)
Tillian, D. J.
(NASA Lyndon B. Johnson Space Center Houston, TX, United States)
Date Acquired
August 6, 2013
Publication Date
July 1, 1972
Publication Information
Publication: NASA Space Shuttle Technol. Conf.
Subject Category
Space Vehicles
Accession Number
72N30880
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.
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