Homogenization of periodic auxetic materials

被引：53

作者：

Dirrenberger, J. ^{[1
]}

Forest, S. ^{[1
]}

Jeulin, D. ^{[1
]}

Colin, C. ^{[1
]}

机构：

[1] MINES ParisTech, Ctr Mat, CNRS UMR 7633, F-91003 Evry, France

来源：

11TH INTERNATIONAL CONFERENCE ON THE MECHANICAL BEHAVIOR OF MATERIALS (ICM11) | 2011年 / 10卷

关键词：

Homogenization; Finite element method; Auxetics; Negative Poisson's ratio; Periodic boundary conditions; Architectured materials; Anisotropy; Elasticity; NEGATIVE POISSONS RATIO; HONEYCOMB; FOAM; MICROSTRUCTURE; POLYETHYLENE; BEHAVIOR; ELEMENT; DESIGN;

D O I：

10.1016/j.proeng.2011.04.307

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Materials presenting a negative Poisson's ratio (auxetics) have drawn attention for the past two decades, especially in the field of lightweight composite structures and cellular materials. Studies have shown that auxeticity may result in higher shear modulus, fracture toughness and acoustic damping. In this work, three auxetic periodic lattices are considered. Elastic moduli are computed and anisotropy is investigated by the use of finite element method combined with numerical homogenization technique. (C) 2011 Published by Elsevier Ltd. Selection and/or peer-review under responsibility of ICM11

引用

页码：1847 / 1852

页数：6

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