Effects of different joint wall lengths on in-plane compression properties of 3D braided jute/epoxy composite honeycombs

Journal article (2023)

Authors

Li Qian-Qian Donghua University
Yasmine Mosleh Bio-based Structures & Materials - CEG
R.C. Alderliesten Structural Integrity & Composites - Aerospace Engineering
Zhang Hong-Hua Donghua University
Li Wei Ministry of Education, Shanghai, Donghua University
Research Group
Bio-based Structures & Materials (CEG) (TU Delft)
Copyright: © 2023 Li Qian-Qian, Yasmine Mosleh, R.C. Alderliesten, Zhang Hong-Hua, Li Wei
DOI: https://doi.org/10.1177/07316844231167898
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Published Date

2023

Language

English

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Faculty

Civil Engineering & Geosciences

Department

Engineering Structures

Research Group

Bio-based Structures & Materials

Abstract

To comply with the trend in the development of engineering materials towards lightweight, high strength, eco-friendly, sustainable, and multi-functional, a three-dimensional braided integrated composite honeycomb is designed. The effects of geometrical parameters particularly joint wall lengths on the in-plane mechanical behavior of the honeycombs were investigated. The results show that the in-plane mechanical properties are related to the number of cell walls, and the angle between the cell wall and the loading direction. Increasing the number of cell rows to double and triple at similar areal density lead to an improvement of the maximum load up to 2.5, and 3.8 times, respectively. Similarly, the total absorbed strain energy increased up to 2.6 and 5.9 times, respectively. The displacement at the maximum load is increased by 1.6 and 2.7 times as a result of increasing the cell row number. The total absorbed strain energy increased to 1.7 and 1.3 times, respectively. The failure angle of the 3D braided composite honeycomb is about 4°–7°. This investigation presents the geometrical factors of a 3D braided composite honeycomb can be further designed and optimized, but it also provides a reference for the development and design of a new composite honeycomb.

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