2024
DOI: 10.3390/ma17133061
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Experimental Study of Auxetic Structures Made of Re-Entrant (“Bow-Tie”) Cells

Julian Plewa,
Małgorzata Płońska,
Kamil Feliksik
et al.

Abstract: This article presents a study of metamaterial structures that exhibit auxetic properties. This unusual phenomenon of simultaneous orthogonal expansion of the metamaterial in tension, and vice versa in compression, with vertical and horizontal contraction, is explored for structures made of re-entrant unit cells. The geometry of such structures is analysed in detail, and the relationships are determined by the value of the Poisson’s ratio. It is shown that the Poisson’s ratio depends not only on the geometry of… Show more

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