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Effect of fiber misalignment and environmental temperature on the compressive behavior of fiber composites
Citation Link: https://doi.org/10.15480/882.7923
Publikationstyp
Journal Article
Date Issued
2023-06-27
Sprache
English
Author(s)
TORE-DOI
Journal
Volume
15
Issue
13
Article Number
2833
Citation
Polymers 15 (13): 2833 (2023)
Publisher DOI
Scopus ID
Publisher
Multidisciplinary Digital Publishing Institute
Peer Reviewed
true
This experimental study investigated how defects, in particular fiber misalignment, affect the mechanical behavior of glass fiber composites (GFRP) under compressive loading. GFRP cross-plies with three different types of fiber misalignment, namely a fold, a wave, and an in-plane undulation, were fabricated using the resin transfer molding process. The compressive tests were performed at four different temperatures, in order to investigate the role of a change in the matrix properties on the strength of the composite. The experiments showed that the defects, especially at lower temperatures, had a significant impact on the mechanical properties of the composite, exceeding the proportion of the defects inside the composite. With increasing temperature, the damage mechanism changed from fiber-dominated to matrix-dominated and, in doing so, decreased the significance of fiber misalignment for the mechanical behavior.
Subjects
thermoset
glass fibers
GFRP
mechanical testing
defects
DDC Class
540: Chemistry
Publication version
publishedVersion
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Name
polymers-15-02833.pdf
Type
Main Article
Size
38.03 MB
Format
Adobe PDF