On the auxetic behaviour of metamaterials with re-entrant cell structures

被引：10
|
作者：
Spagnoli, Andrea [1 ]
Brighenti, Roberto [1 ]
Lanfranchi, Matteo [1 ]
Soncini, Francesco [1 ]
机构：
[1] Univ Parma, Dept Civil Environm Engn & Architecture, Parco Area Sci 181-A, I-43124 Parma, PR, Italy
来源：
XXIII ITALIAN GROUP OF FRACTURE MEETING, IGFXXIII | 2015年 / 109卷
关键词：
Metamaterials; Auxetic; Smart structures; Re-entrant cell structures; NEGATIVE POISSONS RATIO; FOAMS;
D O I：
10.1016/j.proeng.2015.06.252
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
In the present paper a two dimensional plate, made by structural straight elements and showing an auxetic behaviour, is considered. Theoretical, experimental and numerical analyses for the characterisation of its mechanical properties are presented and compared. The main geometrical parameters of an elementary cell affecting the deformation behaviour are highlighted, with emphasis to the negative values of the Poisson's ratio. (C) 2015 The Authors. Published by Elsevier Ltd. This is an open access article under the CC BY-NC-ND license (http://creativecommons.org/licenses/by-nc-nd/4.0/).
引用
收藏
页码：410 / 417
页数：8
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