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Elastic properties of 2D auxetic honeycomb structures- a review

Montgomery-Liljeroth, Ebba; Schievano, Silvia; Burriesci, Gaetano; (2023) Elastic properties of 2D auxetic honeycomb structures- a review. Applied Materials Today , 30 , Article 101722. 10.1016/j.apmt.2022.101722. Green open access

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Abstract

The research field of auxetics, materials or structures exhibiting a negative Poisson's ratio, has received attention because of the unusually advantageous material properties that can be achieved with it, such as high indentation resistance and high shear resistance. In the past decades, the theoretical understanding of different factors that can lead to an auxetic behaviour has advanced greatly, resulting in a rapid increase in the number and type of the structures designed to exhibit this behaviour. These now exploit a number of different mechanisms, providing a large selection of properties which can be tailored for the specific needs. This review aims to describes the auxetic structures that have currently been identified and designed, describing the different approaches utilised to define their mechanical behaviour and analysing their structural properties, limitations, and potential field of application. In particular, the focus lies on the major works within the field, discussing their limitations and addressing works done to complement them.

Type: Article
Title: Elastic properties of 2D auxetic honeycomb structures- a review
Open access status: An open access version is available from UCL Discovery
DOI: 10.1016/j.apmt.2022.101722
Publisher version: https://doi.org/10.1016/j.apmt.2022.101722
Language: English
Additional information: © 2022 The Author(s). Published by Elsevier Ltd. under a Creative Commons license (https://creativecommons.org/licenses/by/4.0/).
Keywords: Auxetics, Metamaterials, Negative poisson's ratio
UCL classification: UCL
UCL > Provost and Vice Provost Offices > UCL BEAMS
UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Engineering Science
UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Engineering Science > Dept of Mechanical Engineering
URI: https://discovery-pp.ucl.ac.uk/id/eprint/10161939
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