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The effects of fluids in the aircraft environment on a polyetherimideFluid absorption studies have been made for a polyetherimide thermoplastic film and a unidirectional composite of the thermoplastic with graphite fibers immersed in water. JP4 jet fuel, ethylene glycol, and hydraulic fluid. The changes in the weight, thickness, and tensile properties were measured for the film. The changes in the flexural properties of the composite were measured for specimens whose fiber orientation was transverse to their length. Only the hydraulic fluid, which caused an erosion or dissolving of the resin at the specimen surface, affected the film's properties. Both the water and the hydraulic fluid affected the flexural properties of the composite, due to capillary absorption along the fiber-resin interface.
Document ID
19890025388
Acquisition Source
Legacy CDMS
Document Type
Reprint (Version printed in journal)
External Source(s)
Authors
Long, Edward R., Jr.
(NASA Langley Research Center Cleveland, OH, United States)
Collins, William D.
(Old Dominion University Norfolk, VA, United States)
Date Acquired
August 13, 2013
Publication Date
June 1, 1988
Publication Information
Publication: Polymer Engineering and Science
Volume: 28
Issue: 12 J
ISSN: 0032-3888
Subject Category
Nonmetallic Materials
Accession Number
89A12759
Funding Number(s)
CONTRACT_GRANT: NCC1-90
Distribution Limits
Public
Copyright
Other

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