Influence of imperfections on effective properties of cellular solids

被引：20

作者：

Grenestedt, JL ^{[1
]}

机构：

[1] Royal Inst Technol, Dept Aeronaut, Div Lightweight Struct, S-10044 Stockholm, Sweden

来源：

POROUS AND CELLULAR MATERIALS FOR STRUCTURE APPLICATIONS | 1998年 / 521卷

关键词：

D O I：

10.1557/PROC-521-3

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

The mechanical properties of cellular solids, or solid foams, is affected by "imperfections" such as wavy distortions of cell walls, variations in cell wall thickness, non-uniform cell shape, etc. The present paper is focused mainly on elastic stiffnesses of closed cell cellular solids. A "perfect" model is first discussed and shown to predict the behavior of PVC foams well. However, this model over-estimates the stiffnesses of aluminum foams. The relatively poor properties of the aluminum foam are believed to be caused by imperfections in the cells. The main body of the paper focuses on modeling different kinds of imperfections, and analyzing their impact on foam properties.

引用

页码：3 / 13

页数：5