Srebrenkoska, Vineta and Naseva, Simona and Risteska, Svetlana and Stefanoska, Maja and Srebrenkoska, Sara (2015) Effects of winding angles on mechanical properties of filament wound pipes. In: IV International Congress “Engineering, Environment and Materials in Processing Industry, 04-06 March 2015, Jahorina, Bosnia and Herzegovina.
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Abstract
The aim of this study is to investigate the mechanical properties of continuous glass fiber reinforced composite tubes produced by filament winding technique with three different winding angles. With help of split-disk tests hoop tensile properties of selected specimens were determined, where reliable results were obtained with low standard deviations. It was observed that bigger winding angle lead to higher hoop tensile properties of filament-wound tubular samples.
Also, the effect of reinforcement direction on the mechanical performances of these composites has been presented. Fiber fracture and fiber-matrix debonding is observed to be the dominant failure mechanisms by samples winded with bigger winding angles, whereas delamination in addition to these mechanisms is detected by samples with smaller winding angles. From received results it is concluded that, mechanical properties of composite specimens are depended from winding angles in filament winding technology.
With help of conducted SEM analysis good merger between glass fibers and the epoxy matrix was seen, but cracks within plies and broken fiber were noticed, due to the high fiber branching.
| Item Type: | Conference or Workshop Item (Poster) |
|---|---|
| Subjects: | Engineering and Technology > Materials engineering |
| Divisions: | Faculty of Technology |
| Depositing User: | Vineta Srebrenkoska |
| Date Deposited: | 01 Oct 2015 11:31 |
| Last Modified: | 01 Oct 2015 11:31 |
| URI: | https://eprints.ugd.edu.mk/id/eprint/13900 |
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