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

OSIM Nr. R102356
ISSN Print 0025-5289
ISSN Online 2668-8220
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Materiale Plastice (Mater. Plast.), Year 2021, Volume 58, Issue 1, 131-141

https://doi.org/10.37358/MP.21.1.5453

Mihaela Raluca Condruz, Ionut Sebastian Vintila, Tiberius Florian Frigioescu, Alexandru Paraschiv, Andrei Mandoc, Andreia Cucuruz, Ionel Mindru

Influence of Shelf Life on Mechanical Properties of Glass Fibre Reinforced Composites


Abstract:
The present paper was focused on studying the influence of shelf life of an epoxy matrix on the mechanical properties of glass fibre reinforced composites. For the study, two types of the same epoxy system were used, one during its shelf life and one out of its shelf life. The reinforcement used consisted in E-glass fibre fabric. Mechanical investigations were realized in order to compare the materials in terms of loss of mechanical strength and elastic properties. Therefore, three mechanical tests were performed: tensile tests, in-plane shear and open-hole tensile tests. The results showed that the shelf life affects the mechanical properties of the polymeric composite. A decrease of 24% in tensile strength was recorded along with a 28% decrease of the in-plane shear strength and 55% of open-hole tensile strength for the composite manufactured with the out of shelf life epoxy system compared with the other composite. An overall reduction of mechanical strength and elastic properties of the composite material was observed, primarily due to polymeric matrix degradation, which after long periods it could be prone to brittleness and susceptible to delamination and fracture. The thermogravimetric analysis showed that thermal induced changes are happening at a higher speed in the out of shelf life composite, a lower mass loss being registered for new epoxy composite.


Keywords:
epoxy; GFRP; shelf life; open-hole; in-plane shear

Issue: 2021 Volume 58, Issue 1
Pages: 131-141
Publication date: 2021/4/5
https://doi.org/10.37358/MP.21.1.5453
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Creative Commons License
This article is published under the Creative Commons Attribution 4.0 International License
Citation Styles
Cite this article as:
CONDRUZ, M.R., VINTILA, I.S., FRIGIOESCU, T.F., PARASCHIV, A., MANDOC, A., CUCURUZ, A., MINDRU, I., Influence of Shelf Life on Mechanical Properties of Glass Fibre Reinforced Composites, Mater. Plast., 58(1), 2021, 131-141.

Vancouver
Condruz MR, Vintila IS, Frigioescu TF, Paraschiv A, Mandoc A, Cucuruz A, Mindru I. Influence of Shelf Life on Mechanical Properties of Glass Fibre Reinforced Composites. Mater. Plast.[internet]. 2021 Jan;58(1):131-141. Available from: https://doi.org/10.37358/MP.21.1.5453


APA 6th edition
Condruz, M.R., Vintila, I.S., Frigioescu, T.F., Paraschiv, A., Mandoc, A., Cucuruz, A. & Mindru, I. (2021). Influence of Shelf Life on Mechanical Properties of Glass Fibre Reinforced Composites. Materiale Plastice, 58(1), 131-141. https://doi.org/10.37358/MP.21.1.5453


Harvard
Condruz, M.R., Vintila, I.S., Frigioescu, T.F., Paraschiv, A., Mandoc, A., Cucuruz, A., Mindru, I. (2021). 'Influence of Shelf Life on Mechanical Properties of Glass Fibre Reinforced Composites', Materiale Plastice, 58(1), pp. 131-141. https://doi.org/10.37358/MP.21.1.5453


IEEE
M.R. Condruz, I.S. Vintila, T.F. Frigioescu, A. Paraschiv, A. Mandoc, A. Cucuruz, I. Mindru, "Influence of Shelf Life on Mechanical Properties of Glass Fibre Reinforced Composites". Materiale Plastice, vol. 58, no. 1, pp. 131-141, 2021. [online]. https://doi.org/10.37358/MP.21.1.5453


Text
Mihaela Raluca Condruz, Ionut Sebastian Vintila, Tiberius Florian Frigioescu, Alexandru Paraschiv, Andrei Mandoc, Andreia Cucuruz, Ionel Mindru,
Influence of Shelf Life on Mechanical Properties of Glass Fibre Reinforced Composites,
Materiale Plastice,
Volume 58, Issue 1,
2021,
Pages 131-141,
ISSN 2668-8220,
https://doi.org/10.37358/MP.21.1.5453.
(https://revmaterialeplastice.ro/Articlegs.asp?ID=5453)
Keywords: epoxy; GFRP; shelf life; open-hole; in-plane shear


RIS
TY - JOUR
T1 - Influence of Shelf Life on Mechanical Properties of Glass Fibre Reinforced Composites
A1 - Condruz, Mihaela Raluca
A2 - Vintila, Ionut Sebastian
A3 - Frigioescu, Tiberius Florian
A4 - Paraschiv, Alexandru
A5 - Mandoc, Andrei
A6 - Cucuruz, Andreia
A7 - Mindru, Ionel
JF - Materiale Plastice
JO - Mater. Plast.
PB - Materiale Plastice SRL
SN - 2668-8220
Y1 - 2021
VL - 58
IS - 1
SP - 131
EP - 141
UR - https://doi.org/10.37358/MP.21.1.5453
KW - epoxy
KW - GFRP
KW - shelf life
KW - open-hole
KW - in-plane shear
ER -


BibTex
@article{MatPlast2021P131,
author = {Condruz Mihaela Raluca and Vintila Ionut Sebastian and Frigioescu Tiberius Florian and Paraschiv Alexandru and Mandoc Andrei and Cucuruz Andreia and Mindru Ionel},
title = {Influence of Shelf Life on Mechanical Properties of Glass Fibre Reinforced Composites},
journal = {Materiale Plastice},
volume = {58},
number = {1},
pages = {131-141},
year = {2021},
issn = {2668-8220},
doi = {https://doi.org/10.37358/MP.21.1.5453},
url = {https://revmaterialeplastice.ro/Articlegs.asp?ID=5453}
}
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