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

Zhu, Hanxing

2011. Size-dependent elastic properties of micro- and nano-open-celled foams. Presented at: International Conference on Computational & Experimental Engineering and Sciences (ICCES'11), Nanjing, China, 18-21 April 2011.

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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:	Conference or Workshop Item (Paper)
Date Type:	Completion
Status:	Unpublished
Schools:	Schools > Engineering
Subjects:	T Technology > TK Electrical engineering. Electronics Nuclear engineering
Uncontrolled Keywords:	Size effect, Open cell foams, Elastic properties, Surface elasticity, Initial Stress
Related URLs:	Organisation
Last Modified:	21 Oct 2022 10:38
URI:	https://orca.cardiff.ac.uk/id/eprint/40889

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