Design and properties of 3D-printed chiral auxetic metamaterials by reconfigurable connections

被引：57
|
作者：
Huang, Hsin-Haou [1 ]
Wong, Bao-Leng [1 ]
Chou, Yen-Chang [1 ]
机构：
[1] Natl Taiwan Univ, Dept Engn Sci & Ocean Engn, Taipei 106, Taiwan
来源：
PHYSICA STATUS SOLIDI B-BASIC SOLID STATE PHYSICS | 2016年 / 253卷 / 08期
关键词：
3D printing; auxetics; chiral lattice; negative Poisson's ratio; NEGATIVE POISSONS RATIO; MECHANICAL METAMATERIALS; PORE SHAPE; FOAMS; OPTIMIZATION; TEXTILES; SOFT;
D O I：
10.1002/pssb.201600027
中图分类号：
O469 [凝聚态物理学];
学科分类号：
070205 ;
摘要：
This article describes the rules and procedures for designing a three-dimensional (3D) antitetrachiral structure that achieves a negative Poisson's ratio. Numerical analysis and experimental validation showed good agreement between the deformations and Poisson's ratios. Moreover, the proposed auxetic structure displayed anisotropic behavior in x-and y-directional compression as well as isotropic behavior in z-directional compression. The parametric study and design examples presented in this article demonstrate the relationships among the Poisson's ratio, effective Young's modulus, porosity, and geometry of the proposed structure, and provide insights into the potential applications for future auxetic designs. (C) 2016 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim
引用
收藏
页码：1557 / 1564
页数：8
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