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Consolidation and densification methods for fibrous monolith processing

United States Patent

May 25, 2004
View the Complete Patent at the US Patent & Trademark Office
Methods for consolidation and densification of fibrous monolith composite structures are provided. Consolidation and densification of two- and three-dimensional fibrous monolith components having complex geometries can be achieved by pressureless sintering. The fibrous monolith composites are formed from filaments having at least a first material composition generally surrounded by a second material composition. The composites are sintered in an inert gas or nitrogen gas at a pressure of no more than about 30 psi to provide consolidated and densified fibrous monolith composites.
Sutaria; Manish P. (Philadelphia, PA), Rigali; Mark J. (Tucson, AZ), Cipriani; Ronald A. (Tucson, AZ), Artz; Gregory J. (Tucson, AZ), Mulligan; Anthony C. (Tucson, AZ)
Advanced Ceramics Research, Inc. (Tucson, AZ)
10/ 005,241
December 4, 2001
This invention was made with U.S. Government support under grant Number DE-FC02-96CH10861 awarded by the Department of Energy, under grant Number NAS8-00081 awarded by the National Aeronautics and Space Administration, and under grant number DASG60-01-P-0050 awarded by the U.S. Army Space and Missile Defense. Accordingly, the Government may have certain rights in the invention described herein.