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Annealing Reduces Free Volumes In ThermoplasticsInvestigation conducted to determine free volumes and water-absorption characteristics of two types of thermoplastic polymide as functions of annealing histories. Reductions reach asymptotic values after several annealing cycles. High-temperature thermoplastics excellent candidates for use in aerospace applications. Graphite-fiber composites containing thermoplastic matrices have wide applicability.
Document ID
19880000417
Acquisition Source
Legacy CDMS
Document Type
Other - NASA Tech Brief
Authors
Singh, Jag J. (NASA Langley Research Center, Hampton, Va.)
St. Clair, Terry L. (NASA Langley Research Center, Hampton, Va.)
Date Acquired
August 13, 2013
Publication Date
September 1, 1988
Publication Information
Publication: NASA Tech Briefs
Volume: 12
Issue: 8
ISSN: 0145-319X
Subject Category
Materials
Report/Patent Number
LAR-13664
Report Number: LAR-13664
ISSN: 0145-319X
Accession Number
88B10417
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.

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