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Elsevier, Composites Part B: Engineering, (89), p. 67-76, 2016

DOI: 10.1016/j.compositesb.2015.11.032

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In-plane mechanics of a novel zero Poisson’s ratio honeycomb core

Journal article published in 2015 by Jian Huang, Xiaobo Gong, Qiuhua Zhang, Fabrizio Scarpa ORCID, Yanju Liu, Jinsong Leng
This paper is available in a repository.
This paper is available in a repository.

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Abstract

This work presents a novel zero in-plane Poisson’s ratio honeycomb design for large out-of-plane deformations and morphing. The novel honeycomb topology is composed by two parts that provide separate in-plane and out-of-plane deformations contributions. The hexagonal component generates the out-of-plane load-bearing compression and in-plane compliance, while a thin plate part that connects the hexagonal section delivers the out-of-plane flexibility. The paper illustrates the in-plane mechanical properties through a combination of theoretical analysis, FE homogenization and experimental tests. Parametric analyses are also carried out to determine the dependence of the in-plane stiffness versus the geometric parameters that define the zero-ν honeycomb.