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Materiale Plastice
https://doi.org/10.37358/Mat.Plast.1964

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ISSN 0025-5289
ISSN 2668-8220 (online)
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Materiale Plastice, Volume 52, Issue 1, pp. (2015)




Horatiu TEODORESCU-DRAGHICESCU, Sorin VLASE, Mariana Domnica STANCIU, Ioan CURTU, Mircea MIHALCICA Advanced Pultruded Glass Fibers-Reinforced Isophtalic Polyester Resin


Abstract:
Within this paper an experimental analysis of an advanced composite U-beam pultruded profile based on isophtalic polyester resin reinforced with unidirectional glass fibres and overlay veil has been carried out to determine its most important mechanical properties. Tensile tests have been accomplished on specimens cut from the pultruded profile along and transverse to the fibers direction. Over thirty mechanical properties including Young’s moduli, stiffness, load-extension as well as stress-strain distributions determined at maximum load, maximum extension and at break have been determined on a Lloyd Instruments LS-100KPlus materials testing machine. Typical failure mechanisms such as fibres pull-out and delaminations have been noticed. The tests show that this kind of unidirectional glass fibers-reinforced isophtalic polyester resin with overlay veil obtained in the putrusion process is suitable for a large range of applications from the automotive and aerospace industry and put into evidence its strong anisotropy. Keywords: Pultrusion, Isophtalic polyester resin, Mechanical anisotropy, Tensile tests, Stiffness



Issue: 2015 Volume 52, Number 1
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