Self-organized rod undulations on pre-stretched textiles

Textile technology is a traditional approach to additive manufacturing based on one-dimensional yarn. Printing solid rods onto pre-stretched textiles creates internal stresses upon relaxation of the pre-stretch, which leads to buckling-induced out-of-plane deformation of the textile. Similar behavio...

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Vydáno v:Bioinspiration & biomimetics Ročník 17; číslo 3
Hlavní autoři: Guiducci, Lorenzo, Kycia, Agata, Sauer, Christiane, Fratzl, Peter
Médium: Journal Article
Jazyk:angličtina
Vydáno: England IOP Publishing 01.05.2022
Témata:
3D printing on pre-stretched textiles
4D textiles
differential strain
form finding
rod-membrane assemblies
self-shaping textiles
surface texturing
4D textiles
3D printing on pre-stretched textiles
self-shaping textiles
form finding
differential strain
rod-membrane assemblies
surface texturing
ISSN:1748-3182, 1748-3190, 1748-3190
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Popis
Shrnutí:Textile technology is a traditional approach to additive manufacturing based on one-dimensional yarn. Printing solid rods onto pre-stretched textiles creates internal stresses upon relaxation of the pre-stretch, which leads to buckling-induced out-of-plane deformation of the textile. Similar behaviours are well known to occur also in biological systems where differential growth leads to internal stresses that are responsible for the folding or wrinkling of leaves, for example. Our goal was to get a quantitative understanding of this wrinkling by a systematic experimental and numerical investigation of parallel rods printed onto a pre-stretched textile. We vary rod thickness and spacing to obtain wavelength and phase coherence of the wrinkles as a function of these parameters. We also derive a simple analytical description to rationalize these observations. The result is a simple analytical estimate for the phase diagram of behaviours that may be used for design purposes or to describe wrinkling phenomena in biological or bioinspired systems.
Bibliografie:BB-102940.R1
ObjectType-Article-1
SourceType-Scholarly Journals-1
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ISSN:1748-3182
1748-3190
1748-3190
DOI:10.1088/1748-3190/ac5b85