Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/64593
Title: Compression behavior and energy absorption of carbon fiber reinforced composite sandwich panels made of three-dimensional honeycomb grid cores
Authors: Xiong, J
Vaziri, A
Ghosh, R
Hu, H 
Ma, L
Wu, LZ
Keywords: Carbon fiber sandwich
Three dimensional grid
Interlocking
Multifunctional
Issue Date: 2016
Publisher: Elsevier
Source: Extreme mechanics letters, 2016, v. 7, p. 114-120 How to cite?
Journal: Extreme mechanics letters 
Abstract: Carbon fiber reinforced three dimensional egg and pyramidal honeycomb grids cores with interconnected void spaces were fabricated using an interlocking method. The out-of-plane compression properties, failure modes, and energy absorption capacity of all-composite sandwich panels made of the new 3D grid cores were investigated. The analytical models for predicting the compressive stiffness and strength of both egg and pyramidal honeycomb grids cores were derived. The results showed that the fabricated sandwich panels have higher specific energy absorbing abilities compared to lightweight square honeycombs of same density (10–100 Kg/m3). The new core design promises novel applications for lightweight multifunctional structures due to increased flow in the inner spaces of the core construction, embedding of electrical lines, enhanced heat transfer, fuel storage and higher energy absorption compared to traditional cores.
URI: http://hdl.handle.net/10397/64593
ISSN: 2352-4316
DOI: 10.1016/j.eml.2016.02.012
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