Negative Poisson's Ratio Behavior Induced by an Elastic Instability


Bertoldi, Katia and Reis, Pedro M. and Willshaw, Stephen and Mullin, Tom (2009) Negative Poisson's Ratio Behavior Induced by an Elastic Instability. Advanced Materials, 22 (3). pp. 361-366. ISSN 0935-9648

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Abstract:Negative Poisson's ratio behavior has been uncovered in cellular solids that comprise a solid matrix with a square array of circular voids. The simplicity of the fabrication implies robust behavior, which is relevant over a range of scales. The behavior results from an elastic instability, which induces a pattern transformation and excellent quantitative agreement is found between calculation and experiment.
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Copyright:© 2009 Wiley
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