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The effect of moisture on the dynamic thermomechanical properties of a graphite/epoxy compositeA study has been made of the effect of moisture absorption on the dynamic thermomechanical properties of a graphite/epoxy composite recently considered for building primary aircraft structures. Torsional braid analysis (TBA) and thermomechanical analysis (TMA) techniques were used to measure changes in the glass transition temperature (Tg) and the initial softening temperature (heat distortion temperature, HDT) of T-300/5209 graphite/epoxy composites exposed to room temperature water soak.
Document ID
19780032984
Acquisition Source
Legacy CDMS
Document Type
Conference Proceedings
Authors
Sykes, G. F. (NASA Langley Research Center Hampton, VA, United States)
Burks, H. D. (NASA Langley Research Center Hampton, VA, United States)
Nelson, J. B. (NASA Langley Research Center Hampton, Va., United States)
Date Acquired
August 9, 2013
Publication Date
January 1, 1977
Subject Category
Composite Materials
Meeting Information
Meeting: National Symposium and Exhibition
Location: San Diego, CA
Start Date: April 26, 1977
End Date: April 28, 1977
Accession Number
78A16893
Distribution Limits
Public
Copyright
Other

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