NASA NTRS · 19770003351
Environmental effects on polymeric matrix composites
Abstract
Current 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.
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Whitney, J. M., Husman, G. E.. 1976-01-01. Environmental effects on polymeric matrix composites. https://ntrs.nasa.gov/citations/19770003351
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