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Hierarchical Cellular Materials

Published online by Cambridge University Press:  21 February 2011

L. J. Gibson  and
M. F. Ashby
L. J. Gibson
Affiliation:
Department of Civil Engineering, Massachusetts Institute of Technology, Cambridge, MA 02139
M. F. Ashby
Affiliation:
Cambridge University Engineering Department, Cambridge, England
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Abstract

Cellular materials are made up of an interconnecting network of strut- or plate-like members. Natural cellular materials include wood, cancellous bone, cork, palm and leaves. Engineering cellular materials are either in the form of honeycombs, with two-dimensional, prismatic cells, or foams with three-dimensional, polyhedral cells. Natural cellular materials usually have multiple phases at multiple scales while engineering cellular materials use a single phase at a single scale.

In this paper, the efficiencies of various natural cellular materials are estimated by analyzing their behavior at various microstructural scales. The results of the analysis suggest microstructural design of hierarchically structured engineering cellular materials.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 255: Symposium Z – Hierarchically Structured Materials , 1991 , 343
Copyright
Copyright © Materials Research Society 1992

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References

1. Gibson, L. J. and Ashby, M. F., Cellular Solids: Structure and Properties, (Pergamon Press, New York, 1988).Google Scholar
2. Charles, J. A. and Crane, F. A. A., Selection and Use of Engineering Materials, (Butterworths, 1989).Google Scholar
3. Ashby, M. F. Acta Metallurgica 31, 1273 (1989).Google Scholar
4. Cave, I. D., Wood Science and Technology 2, 268 (1968).Google Scholar