Please use this identifier to cite or link to this item: https://hdl.handle.net/20.500.13091/1549
Title: Impact response of nanoparticle reinforced 3D woven spacer/epoxy composites at cryogenic temperatures
Authors: Yildirim, Ferhat
Tatar, Ahmet Caner
Eskizeybek, Volkan
Avcı, Ahmet
Aydın, Mustafa
Keywords: Low-Velocity Impact
3d Woven Spacer Composite
Cryogenic Temperature
Nano Modification
Low-Velocity Impact
Walled Carbon Nanotubes
Mechanical-Properties
Fabric/Epoxy Composites
Sandwich Composites
Failure-Mechanism
Shear-Strength
Behavior
Damage
Room
Issue Date: 2021
Publisher: SAGE PUBLICATIONS LTD
Abstract: Fiber-reinforced polymer composites serving in harsh conditions must maintain their performance during their entire service. The cryogenic impact is one of the most unpredictable loading types, leading to catastrophic failures of composite structures. This study aims to examine the low-velocity impact (LVI) performance of 3D woven spacer glass-epoxy composite experimentally under cryogenic temperatures. LVI tests were conducted under various temperatures ranging from room temperature (RT) to -196 degrees C. Experimental results reveal that the 3D composites gradually absorbed higher impact energies with decreasing temperature. Besides, the effect of multi-walled carbon nanotube and SiO2 nanofiller reinforcements of the matrix on the impact performance and the damage characteristics were further assessed. Nanofiller modification enhanced the impact resistance up to 30%, especially at RT. However, the nanofiller efficiency declined with decreasing temperature. The apparent damages were visually examined by scanning electron microscopy to address the damage formation. Significant outcomes have been achieved with the nanofiller modification regarding the new usage areas of 3D woven composites.
URI: https://doi.org/10.1177/00219983211037052
https://hdl.handle.net/20.500.13091/1549
ISSN: 0021-9983
1530-793X
Appears in Collections:Mühendislik ve Doğa Bilimleri Fakültesi Koleksiyonu
Scopus İndeksli Yayınlar Koleksiyonu / Scopus Indexed Publications Collections
WoS İndeksli Yayınlar Koleksiyonu / WoS Indexed Publications Collections

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