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Using a simple beam element, this study estimates the elastic stiffness of two isotropic open-cell foam architectures that approximate, respectively, the space between tightly packed fluid bubbles and that defined between densified solid particles, and finds little difference between the two microstructures above a relative density of a few per cent. (c) 2012 Acta Materialia Inc. Published by Elsevier Ltd. All rights reserved.
Mark Pauly, Florin Isvoranu, Yingying Ren, Francis Julian Panetta, Seiichi Eduardo Suzuki Erazo, Uday Kusupati
Manon Eugénie Voisin--Leprince
Mahmut Selman Sakar, Amit Yedidia Dolev, Mehdi Ali Gadiri, Junsun Hwang