The design of disordered three-dimensional auxetic networks
ORAL
Abstract
Auxetic materials are characterized by a negative Poisson’s ratio. They have attracted a lot of attention from both the scientific and engineering communities because of a variety of potential applications, such as impact mitigation, indentation resistance and biocompatibility. The design of auxetic materials is usually realized in lattice-based periodic structures in an Edisonian way. Disordered networks have the potential for the design of tunable isotropic auxetic metamaterials. However, the design of disordered three-dimensional auxetic networks has been challenging due to lack of a universal design principle. Here we propose computational strategies for the systematic design of disordered three-dimensional auxetic networks. Our designs are validated by experimental measurement of 3D-printed networks. This work builds a powerful computational framework to manipulate the auxetic properties.
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Presenters
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Meng Shen
University of Chicago
Authors
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Meng Shen
University of Chicago
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Marcos Reyes-Martinez
National Institute of Standards and Technology, MSED, NIST
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Edwin P Chan
National Institute of Standards and Technology, MSED, NIST
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Christopher Soles
National Institute of Standards and Technology, MSED, NIST
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Nidhi Pashine
University of Chicago
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Sidney Robert Nagel
University of Chicago, Physics, University of Chicago
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Heinrich M. Jaeger
University of Chicago
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Juan De Pablo
University of Chicago, Pritzker School of Molecular Engineering, University of Chicago, Institute for Molecular Engineering, University of Chicago. Argonne National Laboratory, Pritzker School of Molecular Engineerin, The University of Chicago, Molecular Engineering, University of Chicago