Moisture Sorption and Diffusion in Hercules 3501-6 Epoxy Resin.

Abstract

The objective of this work was to obtain the moisture sorption equilibria of Hercules 3501-6 epoxy resin and its concentration dependent moisture diffusion coefficient. These data are necessary for predicting changes in aircraft strucctural composites properties where this resin is used as a matrix material. The data were obtained by sorption measurements with a Cahn electrobalance. It was found that the diffusion coefficient is strongly concentration-dependent at low moisture concentration, however, it is fairly flat at moisture concentrations corresponding to equilibrium concentration between 30 to 80 percent relative humidity. (Author)

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Document Details

Document Type
Technical Report
Publication Date
Mar 30, 1979
Accession Number
ADA076008

Entities

People

  • Joseph M. Augl

Organizations

  • Naval Ordnance Laboratory

Tags

Communities of Interest

  • Air Platforms
  • Space
  • Weapons Technologies

DTIC Thesaurus Topics

  • Aircrafts
  • Carbon Fibers
  • Composite Materials
  • Diffusion Coefficient
  • Epoxy Resins
  • Equations
  • Fiber Reinforced Composites
  • Graphitic Materials
  • Materials
  • Materials Laboratories
  • Materials Science
  • Measurement
  • Mechanical Properties
  • Molecules
  • Pressure Measurement
  • Resins
  • Vapor Pressure

Readers

  • Electrochemical Engineering/ Fuel Cell Technologies
  • Materials Science and Engineering.
  • Structural Health Monitoring of Composite Structures.