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Materials 2013, 6(3), 726-737; doi:10.3390/ma6030726

Behavior of Elastoplastic Auxetic Microstructural Arrays

1,*  and 2
1 Department of Civil Engineering, Faculty of Engineering, Ariel University Center, Ariel 44837, Israel 2 Faculty of Engineering, Tel Aviv University, Ramat Aviv 69978, Israel
* Author to whom correspondence should be addressed.
Received: 6 December 2012 / Revised: 29 January 2013 / Accepted: 15 February 2013 / Published: 28 February 2013
(This article belongs to the Special Issue Auxetic Materials)
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A continuum-based micromechanical model is employed for the prediction of the elasto-plastic behavior of periodic microstructural arrays that can generate negative values of Poisson’s ratios. The combined effects of the negative Poisson’s ratio generated by the array microstructure and the elastoplastic behavior of the constituents are studied. A design methodology for the determination of the constituents’ properties of two-phase arrays that generate required values of negative Poisson’s ratio is considered.
Keywords: negative Poisson ratio; homogenization; microstructural architectures; composite negative Poisson ratio; homogenization; microstructural architectures; composite
This is an open access article distributed under the Creative Commons Attribution License (CC BY 3.0).

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Gilat, R.; Aboudi, J. Behavior of Elastoplastic Auxetic Microstructural Arrays. Materials 2013, 6, 726-737.

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