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Environmental effects on polymeric matrix compositesCurrent epoxy resins utilized in high performance structural composites absorb moisture from high humidity environments. Such moisture absorption causes plasticization of the resin to occur with concurrent swelling and lowering of the glass transition temperature. Similar effects are observed in composites. Data are presented showing the effects of absorbed moisture on Hercules AS/3501-5 graphite/epoxy composites. Prediction of moisture content and distribution in composites, along with reduction in mechanical properties, are discussed.
Document ID
19770003351
Acquisition Source
Legacy CDMS
Document Type
Conference Paper
Authors
Whitney, J. M. (Air Force Materials Lab. Wright-Patterson AFB, OH, United States)
Husman, G. E. (Air Force Materials Lab. Wright-Patterson AFB, OH, United States)
Date Acquired
August 8, 2013
Publication Date
January 1, 1976
Publication Information
Publication: NASA. Langley Res. Center Advan. in Eng. Sci., Vol. 2
Subject Category
Composite Materials
Accession Number
77N10293
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.

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IDRelationTitle19770003323Collected WorksAdvances in engineering science, volume 2
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