Conference proceeding
Investigation of the environmental durability of glass fiber thermosetting composites at the constituent level: a new approach
Thirteenth Technical Conference of the American Society for Composites; Baltimore, MD; USA; 21-23 Sept. 1998
21 Sep 1998
Abstract
Glass fiber reinforced polymer composites are increasingly being used for infrastructure and marine applications. Successful long-term application depends on the environmental durability of these materials. Exposure to water and the alkaline environment of concrete could be primary causes of composite property degradation, but the mechanisms responsible for degradation are not clearly understood. An approach was investigated which isolates fibers from the resin after a composite has been conditioned environmentally. Extraction of fibers from the matrix was achieved by the burnout technique, which subjects the composites to temperatures high enough to combust the resin phase. S-2 glass/VE composites were exposed to environmental conditions of varying severity. Composites were tested in flexure, and fibers extracted from the composite were tested under tension to assess the effects of environmental conditioning. It was found that the burnout technique adversely affects fiber properties to the point that the effects of environmental exposure are not clearly distinguishable from those of the burnout. Hence a new technique for extraction was proposed that should eliminate this problem.
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Details
- Title
- Investigation of the environmental durability of glass fiber thermosetting composites at the constituent level: a new approach
- Creators
- A PaesanoG Palmese
- Publication Details
- Thirteenth Technical Conference of the American Society for Composites; Baltimore, MD; USA; 21-23 Sept. 1998
- Conference
- Thirteenth Technical Conference of the American Society for Composites, 13th (Baltimore, Maryland, United States, 21 Sep 1998 - 23 Sep 1998)
- Resource Type
- Conference proceeding
- Language
- English
- Academic Unit
- Chemical and Biological Engineering
- Identifiers
- 991019201215904721