Mechanical properties of filament wound pipes: effects of winding angles

Naseva, Simona and Srebrenkoska, Vineta and Risteska, Svetlana and Stefanoska, Maja and Srebrenkoska, Sara (2015) Mechanical properties of filament wound pipes: effects of winding angles. Quality of Life, 6 (1-2). pp. 10-15. ISSN 1986-602X

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The aim of this study is to investigate the mechanical properties of continuous glass fi ber reinforced composite
tubes produced by fi lament 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 fi lament wound tubular samples.
Also, the effect of reinforcement direction on the mechanical performances of these composites has been presented.
Fiber fracture and fi ber-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 fi lament winding technology.
With help of conducted SEM analysis good merger between glass fi bers and the epoxy matrix was seen, but cracks within
plies and broken fi ber were noticed, due to the high fi ber branching.

Item Type: Article
Subjects: Engineering and Technology > Materials engineering
Divisions: Faculty of Technology
Depositing User: Vineta Srebrenkoska
Date Deposited: 03 Nov 2015 14:13
Last Modified: 03 Nov 2015 14:13

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