Auxetic structures with regularly configured rigid sliding units

In this paper, we introduce methods of constructing structures with rigid sliding units that exhibit auxetic behavior, namely, have negative Poisson's ratio. First, we illustrate how we can construct 2‐dimensional (2D) auxetic structures with bow‐tie shaped rigid sliding hexagonal units. Next,...

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Bibliographic Details
Published in:physica status solidi (b) 2017-06, Vol.254 (6), p.n/a
Main Authors: Kim, Junhyun, Shin, Dongheok, Lee, Sungchan, Lee, Jaegyu, Kwon, Seongwoon, Yoon, Seulhee, Yoo, Do‐Sik, Kim, Kyoungsik
Format: Article
Language:English
Subjects:
auxetics
deformation
hourglass units
negative Poisson's ratio
sliding units
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Summary:In this paper, we introduce methods of constructing structures with rigid sliding units that exhibit auxetic behavior, namely, have negative Poisson's ratio. First, we illustrate how we can construct 2‐dimensional (2D) auxetic structures with bow‐tie shaped rigid sliding hexagonal units. Next, we show that we can construct 3‐dimensional (3D) auxetic structures by arranging hourglass shaped rigid sliding units in regular triangular configuration or in regular square configuration. Also, we show, through theoretical and numerical analysis, that these structures indeed exhibit auxetic behaviors.
ISSN:0370-1972
1521-3951
DOI:10.1002/pssb.201600335