On the deformation mechanism of re-entrant honeycomb auxetics under inclined static loads
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Javanbakht, Z
Hall, W
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Abstract
The present study focuses on the deformation mechanisms of re-entrant honeycomb auxetic structures under inclined loading. An auxetic finite element prototype is compressed by a rigid plate during a static Riks analysis. Analysing the deformation response of the structure has revealed that a new transitional deformation stage emerges that highly restricts the elastic response. This new macro stage consists of consecutive micro stages of plateau-densification (yielding-hardening) that corresponds to a highly localised deformation mode, and alters the mechanical response in the following macro stages.
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Materials Letters
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286
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© 2020 Elsevier. Licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International Licence (http://creativecommons.org/licenses/by-nc-nd/4.0/) which permits unrestricted, non-commercial use, distribution and reproduction in any medium, providing that the work is properly cited.
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Physical sciences
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Dhari, RS; Javanbakht, Z; Hall, W, On the deformation mechanism of re-entrant honeycomb auxetics under inclined static loads, Materials Letters, 2021, 286, pp. 129214