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Plane Waves of Dilatation in Auxetic Bulk Solids
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Plane Waves of Dilatation in Auxetic Bulk Solids

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Abstract:

This paper addresses the problem of the speed of plane waves of dilatation, in which the impacted end is sustained so as to maintain constant strain behind the wave front, through auxetic solids considering density correction; the importance of this work can be inferred from the lack of knowledge on this type of material. Results for the dimensionless wave speed reveal that the Poisson’s ratio magnitude and the strain play primary and secondary roles, respectively. In addition, there is better control of wave speed in the auxetic region than in the conventional region due to a more gradual change of the wave speed in the former. Hence the use of auxetic materials facilitates better passive control of wave propagation in bulk solids.

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Periodical:

Materials Science Forum (Volume 866)

Pages:

206-210

DOI:

https://doi.org/10.4028/www.scientific.net/MSF.866.206

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Online since:

August 2016

Authors:

Teik Cheng Lim*

Keywords:

Auxetic Materials, Plane Waves of Dilatation, Wave Speed

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© 2016 Trans Tech Publications Ltd. All Rights Reserved

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