3D Auxetic Metamaterials with Elastically‐Stable Continuous Phase Transition
Abstract: In solid state physics, phase transitions can influence material functionality and alter their properties. In mechanical metamaterials, structural‐phase transitions can be achieved through instability or buckling of certain structural elements. However, these fast transitions in one mechanical parameter typically affect significantly the remaining parameters, hence, limiting their applications. Here, this limitation is addressed by designing a novel 3D mechanical metamaterial that is capable of undergoing a phase transition from positive to negative Poisson's ratio under compression, without significant degradation of Young's modulus (i.e. the phase transition is elastically‐stable). The metamaterial is fabricated by two‐photon lithography at the micro‐scale and its mechanical behavior is assessed experimentally. For another choice of structural parameters, it is then shown that the auxetic behavior of the considered 3D metamaterial class can be maintained over a wide range of applied compressive strain.
- Standort
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Deutsche Nationalbibliothek Frankfurt am Main
- Umfang
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Online-Ressource
- Sprache
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Englisch
- Erschienen in
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3D Auxetic Metamaterials with Elastically‐Stable Continuous Phase Transition ; day:18 ; month:10 ; year:2022 ; extent:10
Advanced science ; (18.10.2022) (gesamt 10)
- Urheber
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Wang, Lianchao
Ulliac, Gwenn
Wang, Bing
Iglesias Martínez, Julio A.
Dudek, Krzysztof K.
Laude, Vincent
Kadic, Muamer
- DOI
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10.1002/advs.202204721
- URN
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urn:nbn:de:101:1-2022101915052661566177
- Rechteinformation
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Open Access; Der Zugriff auf das Objekt ist unbeschränkt möglich.
- Letzte Aktualisierung
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15.08.2025, 07:30 MESZ
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Beteiligte
- Wang, Lianchao
- Ulliac, Gwenn
- Wang, Bing
- Iglesias Martínez, Julio A.
- Dudek, Krzysztof K.
- Laude, Vincent
- Kadic, Muamer
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