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Low velocity impact behaviour of sandwich composite structures with e-glass/epoxy facesheets and PVC foam

Low velocity impact behaviour of sandwich composite structures with e-glass/epoxy facesheets and PVC foam

Balaban, Ayse Cagla, Tee, Kong Fah ORCID: 0000-0003-3202-873X and Toygar, Meltem Evren (2019) Low velocity impact behaviour of sandwich composite structures with e-glass/epoxy facesheets and PVC foam. In: Procedia Structural Integrity. Elsevier, pp. 577-585. ISSN 2452-3216 (doi:https://doi.org/10.1016/j.prostr.2019.08.202)

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Abstract

This study presents the impact behaviour of marine sandwich composite beam structures that manufactured by vacuum-assisted resin infusion process (VARIM). The sandwich composite consists of different thicknesses of upper and lower E-glass fibre-reinforced polymer as facesheets and PVC foam as core material. Low velocity impact tests have been conducted to understand the impact response of the sandwich composite by using a drop-weight impact machine with a hemispherical impactor. Square samples with 100 mm X 100 mm side dimensions were subjected to impact machine at five energy levels of 20J, 40J, 60J, 80J and 100J. The impact loadings have been applied to thicker facesheet of the sandwich composite to obtain impact parameters experimentally. Damage type on thicker facesheets and internal parts of PVC foam have been characterized through the contact force - time, contact force - displacement and contact force - energy curves after the tests. Impact failures that occurred on the upper facesheets, core and lower facesheets of the specimens were observed.

Item Type: Conference Proceedings
Title of Proceedings: Procedia Structural Integrity
Uncontrolled Keywords: sandwich composite material, low velocity impact testing, impact energy
Subjects: T Technology > TA Engineering (General). Civil engineering (General)
Faculty / Department / Research Group: Faculty of Engineering & Science
Faculty of Engineering & Science > School of Engineering (ENN)
Last Modified: 19 Sep 2020 00:20
Selected for GREAT 2016: None
Selected for GREAT 2017: None
Selected for GREAT 2018: None
Selected for GREAT 2019: None
Selected for REF2021: None
URI: http://gala.gre.ac.uk/id/eprint/26564

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