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Carbon microsphere-filled Pyrrone foams.Syntactic foam formulations were prepared from mixtures of Pyrrone prepolymers and hollow carbon microspheres. Very low curing shrinkages were obtained for high volume loadings of microspheres. The resulting syntactic foams were found to be remarkably stable over a wide range in temperature. A technique was developed for the emplacement of these foam formulations in polyimide-fiberglass, titanium alloy and stainless steel honeycomb without sacrificing low curing shrinkage or thermal stability.
Document ID
19730048249
Acquisition Source
Legacy CDMS
Document Type
Conference Proceedings
Authors
Kimmel, B. G.
(Hughes Aircraft Co. Culver City, Calif., United States)
Date Acquired
August 7, 2013
Publication Date
January 1, 1973
Subject Category
Materials, Nonmetallic
Meeting Information
Meeting: National Symposium and Exhibition on New horizons in materials and processing
Location: Los Angeles, CA
Start Date: April 3, 1973
End Date: April 5, 1973
Accession Number
73A33051
Funding Number(s)
CONTRACT_GRANT: NAS1-10869
Distribution Limits
Public
Copyright
Other

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