Architected Design and Fabrication of Soft Mechanical Metamaterials
This study proposes a systematic design approach to 3D print soft mechanical metamaterials by tuning material flow behavior and using optimal toolpaths and print parameters. Planar printing tool paths, utilized in layer‐by‐layer printing such as fused deposition modeling (FDM) and prevalently used in most slicing algorithms, severely limit the realization of complex topologies required in metamaterials. Utilizing parametric design principles, the proposed approach employs discrete and continuous 3D freeform tool paths for supported and unsupported direct ink writing (DIW) of elastomeric structures. The resulting textured, soft topologies significantly enhance the performance of various mechanisms in soft robotics and impact energy‐absorbing wearable devices. Various bioinspired structures such as cilia, webs, leaf‐like structures, and lattices are explored using extrusion‐based silicone 3D printing, achieving features with high aspect ratios (L/D ≤ 12) without support. These complex structures are challenging to 3D print using conventional planar toolpaths. To demonstrate the enhanced functionalities enabled by these new topologies, cilia arrays added to suction cups increased the pull‐off forces by 18%. Additionally, 3D‐printed elastomeric lattice slabs used as energy‐absorbing structures reduced the maximum impact peak forces by 85%. Further functionalities, including magnetic, thermochromic, and signal transmission properties, are also showcased using functional soft mechanical metamaterials.
- Location
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Deutsche Nationalbibliothek Frankfurt am Main
- Extent
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Online-Ressource
- Language
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Englisch
- Bibliographic citation
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Architected Design and Fabrication of Soft Mechanical Metamaterials ; day:28 ; month:10 ; year:2024 ; extent:13
Advanced intelligent systems ; (28.10.2024) (gesamt 13)
- Creator
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Stalin, Thileepan
Plamootil Mathai, Aby Raj
Thanigaivel, Naresh Kumar
Kanhere, Elgar
Dontu, Saikrishna
Hiramandala, Gumawang
Chooi, Aaron
Castillo Ugalde, Arturo
Valdivia Y Alvarado, Pablo
- DOI
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10.1002/aisy.202400514
- URN
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urn:nbn:de:101:1-2410291309442.279282392287
- Rights
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Open Access; Der Zugriff auf das Objekt ist unbeschränkt möglich.
- Last update
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15.08.2025, 7:29 AM CEST
Data provider
Deutsche Nationalbibliothek. If you have any questions about the object, please contact the data provider.
Associated
- Stalin, Thileepan
- Plamootil Mathai, Aby Raj
- Thanigaivel, Naresh Kumar
- Kanhere, Elgar
- Dontu, Saikrishna
- Hiramandala, Gumawang
- Chooi, Aaron
- Castillo Ugalde, Arturo
- Valdivia Y Alvarado, Pablo
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