Size-dependent elastic properties of micro- and nano-open-celled foams

Zhu, Hanxing ORCID: https://orcid.org/0000-0002-3209-6831 2011. Size-dependent elastic properties of micro- and nano-open-celled foams. Structural Longevity 5 (1) , pp. 17-24. 10.3970/sl.2011.005.017

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Abstract

Simple analytical results for the size-dependent elastic properties of micro- and nano-sized regular open-celled foams are presented in this paper. The results indicate that at micrometer scale, strain gradient has a dominant effect and at nanometer scale, surface elasticity dominates the effect on the honeycomb elastic properties. In addition, very small micro- or nano- open-celled foams could have a negative Poisson ratio, the elastic properties of nano-sized open-cell foams can be controlled to vary over a range up to around 66% by the application of an electric potential.

Item Type:	Article
Date Type:	Publication
Status:	Published
Schools:	Engineering
Subjects:	T Technology > TA Engineering (General). Civil engineering (General)
Uncontrolled Keywords:	Size effect, Open cell foams, Elastic properties, Surface elasticity, Initial Stress
Publisher:	Tech Science Press
ISSN:	1944-611X
Last Modified:	21 Oct 2022 10:02
URI:	https://orca.cardiff.ac.uk/id/eprint/38795

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