Negative Poisson’s ratio in a transversely isotropic foam structure
- 15 June 1990
- journal article
- Published by AIP Publishing in Journal of Applied Physics
- Vol. 67 (12) , 7591-7594
- https://doi.org/10.1063/1.345826
Abstract
Recent experimental work has shown that foams having a negative Poisson’s ratio may be fabricated by inverting the usual energetically preferred tetrahedral structure to form a reentrant structure. It is shown here that a linear elasticanalysis of a two‐dimensional reentrant honeycomb provides a theoretical prediction of the negative Poisson’s ratio in the plane for a transversely isotropic material. The value of Poisson’s ratio depends upon the reticulation angle, which is related to the permanent volumetric compression ratio required to form the reentrant structure.This publication has 3 references indexed in Scilit:
- Negative Poisson's ratio polymeric and metallic foamsJournal of Materials Science, 1988
- The Linear Elastic Properties of Open-Cell FoamsJournal of Applied Mechanics, 1988
- Foam mechanics: the linear elastic response of two-dimensional spatially periodic cellular materialsMechanics of Materials, 1987