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Low Density Resin Impregnated Ceramic Article Having an Average Density of 0.15 to 0.40 G/CCA low-density resin impregnated ceramic article advantageously employed as a structural ceramic ablator comprising a fired preform of ceramic fibers. The fibers of the ceramic preform are coated with an organic resin film. The organic resin can be a thermoplastic resin or a cured thermosetting resin. In one embodiment, the resin is uniformly distributed within the ceramic article. In a second embodiment, the resin is distributed so as to provide a density gradient along at least one direction of the ceramic article. The resin impregnated ceramic article is prepared by providing a fired preform of ceramic fibers; immersing the preform of ceramic fibers in a solution of a solvent and an organic resin infiltrant; and removing the solvent to form a resin film on the ceramic fibers.
Document ID
19960038469
Acquisition Source
Ames Research Center
Document Type
Other - Patent
Authors
Tran, Huy K. (NASA Ames Research Center Moffett Field, CA United States)
Henline, William D. (NASA Ames Research Center Moffett Field, CA United States)
Hsu, Ming-ta S. (NASA Ames Research Center Moffett Field, CA United States)
Rasky, Daniel J. (NASA Ames Research Center Moffett Field, CA United States)
Riccitiello, Salvatore R. (NASA Ames Research Center Moffett Field, CA United States)
Date Acquired
August 17, 2013
Publication Date
July 16, 1996
Subject Category
Nonmetallic Materials
Accession Number
96N30935
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.
Patent
NASA-Case-ARC-12011-1-SB|US-Patent-5,536,562
Patent Application
US-Patent-Appl-SN-212640

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