Polycatenated Architected Materials
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arXiv
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| Format: | Preprint |
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2024
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| _version_ | 1866914968828379136 |
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| author | Zhou, Wenjie Nadarajah, Sujeeka Li, Liuchi Izard, Anna G. Yan, Hujie Prachet, Aashutosh K. Patel, Payal Xia, Xiaoxing Daraio, Chiara |
| author_facet | Zhou, Wenjie Nadarajah, Sujeeka Li, Liuchi Izard, Anna G. Yan, Hujie Prachet, Aashutosh K. Patel, Payal Xia, Xiaoxing Daraio, Chiara |
| contents | Architected materials derive their properties from the geometric arrangement of their internal structural elements. Their designs rely on continuous networks of members to control the global mechanical behavior of the bulk. Here, we introduce a class of materials that consist of discrete concatenated rings or cage particles interlocked in three-dimensional networks, forming polycatenated architected materials (PAMs). We propose a general design framework that translates arbitrary crystalline networks into particles' concatenations and geometries. In response to small external loads, PAMs behave like non-Newtonian fluids, showing both shear-thinning and shear-thickening responses. At larger strains, PAMs behave like lattices and foams, with a nonlinear stress-strain relation. At microscale, we demonstrate that PAMs can change their shapes in response to applied electrostatic charges. PAM's unique properties pave the path for developing stimuli-responsive materials, energy-absorbing systems and morphing architectures. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2406_00316 |
| institution | arXiv |
| publishDate | 2024 |
| record_format | arxiv |
| spellingShingle | Polycatenated Architected Materials Zhou, Wenjie Nadarajah, Sujeeka Li, Liuchi Izard, Anna G. Yan, Hujie Prachet, Aashutosh K. Patel, Payal Xia, Xiaoxing Daraio, Chiara Soft Condensed Matter Materials Science Architected materials derive their properties from the geometric arrangement of their internal structural elements. Their designs rely on continuous networks of members to control the global mechanical behavior of the bulk. Here, we introduce a class of materials that consist of discrete concatenated rings or cage particles interlocked in three-dimensional networks, forming polycatenated architected materials (PAMs). We propose a general design framework that translates arbitrary crystalline networks into particles' concatenations and geometries. In response to small external loads, PAMs behave like non-Newtonian fluids, showing both shear-thinning and shear-thickening responses. At larger strains, PAMs behave like lattices and foams, with a nonlinear stress-strain relation. At microscale, we demonstrate that PAMs can change their shapes in response to applied electrostatic charges. PAM's unique properties pave the path for developing stimuli-responsive materials, energy-absorbing systems and morphing architectures. |
| title | Polycatenated Architected Materials |
| topic | Soft Condensed Matter Materials Science |
| url | https://arxiv.org/abs/2406.00316 |