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Stretch-Oriented Polyimide FilmsTwo thermoplastic polyimides - one amorphous, the other crystallizable -- were subjected to isothermal stretching just above their glass transition temperatures. Room-temperature strengths in the stretch direction were greatly improved and, moduli increased up to 3.6-fold. Optimum stretching conditions were determined.
Document ID
20000033576
Acquisition Source
Langley Research Center
Document Type
Technical Memorandum (TM)
Authors
Hinkley, Jeffrey A. (NASA Langley Research Center Hampton, VA United States)
Klinedinst, D. (Norfolk State Univ. VA United States)
Feuz, L. (Eidgenoessische Technische Hochschule Zurich, Switzerland)
Date Acquired
September 7, 2013
Publication Date
April 1, 2000
Subject Category
Nonmetallic Materials
Report/Patent Number
NASA/TM-2000-210094
NAS 1.15:210094
L-17953
Report Number: NASA/TM-2000-210094
Report Number: NAS 1.15:210094
Report Number: L-17953
Funding Number(s)
PROJECT: RTOP 274-00-99-07
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.

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