EXTREME COSSERAT ELASTIC CUBE STRUCTURE WITH LARGE MAGNITUDE OF NEGATIVE POISSON'S RATIO

被引：22
|
作者：
Andrade, Carlos [1 ]
Ha, Chan Soo [1 ]
Lakes, Roderic S. [2 ]
机构：
[1] Univ Wisconsin, Madison, WI 53706 USA
[2] Univ Wisconsin, Dept Engn Phys, Madison, WI USA
来源：
JOURNAL OF MECHANICS OF MATERIALS AND STRUCTURES | 2018年 / 13卷 / 01期
基金：
美国国家科学基金会;
关键词：
auxetic; negative Poisson's ratio; Cosserat; metamaterial; ROTATING RIGID UNITS; AUXETIC BEHAVIOR; SYSTEM;
D O I：
10.2140/jomms.2018.13.93
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
A structure consisting of pivoting cubes is presented. It has zero Young's modulus and zero bulk modulus. Poisson's ratio has large negative values in all directions; the structure exhibits anisotropy in Poisson's ratio. The structure is compliant in tension but rigid in torsion and bending. The Cosserat characteristic length tends to infinity.
引用
收藏
页码：93 / 101
页数：9
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