Stress Effects on Moisture Transport in an Epoxy Resin and Its Composite.
Abstract
This paper presents the results of a experimental investigation of stress effects on the sorption of water vapor in an epoxy resin and its composite. Such effects were noted by several researchers in both polymers and composites, although these earlier investigations did not present a comprehensive study of the phenomenon. This paper summarizes results which were obtained recently. It is shown that in both epoxy and graphite/epoxy composites, external stresses affect the diffusion process. In the case of the resin, stresses appear to raise the affect the diffusion process. In the case of the resin, stresses appear to raise the moisture saturation levels while in composites stresses appear to affect the entire sorption process, accentuating the a-symmetries between absorption and desorption behavior. In both materials the moisture transport process departs both quantitatively and qualitatively from the predictions of classical, Fickean diffusion.
Document Details
- Document Type
- Technical Report
- Publication Date
- Jun 01, 1986
- Accession Number
- ADA169306
Entities
People
- M. Henson
- Y. Weitsman
Organizations
- Texas A&M University