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Ablation Resistant Zirconium and Hafnium CeramicsHigh temperature ablation resistant ceramic composites have been made. These ceramics are composites of zirconium diboride and zirconium carbide with silicon carbide, hafnium diboride and hafnium carbide with silicon carbide and ceramic composites which contain mixed diborides and/or carbides of zirconium and hafnium. along with silicon carbide.
Document ID
19990008603
Acquisition Source
Ames Research Center
Document Type
Other - Patent
Authors
Bull, Jeffrey (NASA Ames Research Center Moffett Field, CA United States)
White, Michael J. (NASA Ames Research Center Moffett Field, CA United States)
Kaufman, Larry (NASA Ames Research Center Moffett Field, CA United States)
Date Acquired
August 19, 2013
Publication Date
May 12, 1998
Subject Category
Nonmetallic Materials
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.
Patent
US-Patent-5,750,450|NASA-Case-ARC-12087-1LE
Patent Application
US-Patent-Appl-SN-723484

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