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Pushing and Pulling on Ropes: Hierarchical Woven Materials

Moestopo, Widianto P. and Mateos, Arturo J. and Fuller, Ritchie M. and Greer, Julia R. and Portela, Carlos M. (2020) Pushing and Pulling on Ropes: Hierarchical Woven Materials. Advanced Science, 7 (20). Art. No. 2001271. ISSN 2198-3844. PMCID PMC7578876. doi:10.1002/advs.202001271.

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Hierarchy in natural and synthetic materials has been shown to grant these architected materials properties unattainable independently by their constituent materials. While exceptional mechanical properties such as extreme resilience and high deformability have been realized in many human‐made three‐dimensional (3D) architected materials using beam‐and‐junction‐based architectures, stress concentrations and constraints induced by the junctions limit their mechanical performance. A new hierarchical architecture in which fibers are interwoven to construct effective beams is presented. In situ tension and compression experiments of additively manufactured woven and monolithic lattices with 30 µm unit cells demonstrate the superior ability of woven architectures to achieve high tensile and compressive strains (>50%)—without failure events—via smooth reconfiguration of woven microfibers in the effective beams and junctions. Cyclic compression experiments reveal that woven lattices accrue less damage compared to lattices with monolithic beams. Numerical studies of woven beams with varying geometric parameters present new design spaces to develop architected materials with tailored compliance that is unachievable by similarly configured monolithic‐beam architectures. Woven hierarchical design offers a pathway to make traditionally stiff and brittle materials more deformable and introduces a new building block for 3D architected materials with complex nonlinear mechanics.

Item Type:Article
Related URLs:
URLURL TypeDescription CentralArticle
Moestopo, Widianto P.0000-0002-7617-4280
Mateos, Arturo J.0000-0002-9306-3531
Greer, Julia R.0000-0002-9675-1508
Portela, Carlos M.0000-0002-2649-4235
Additional Information:© 2020 The Authors. Published by Wiley‐VCH GmbH. This is an open access article under the terms of the Creative Commons Attribution License, which permits use, distribution and reproduction in any medium, provided the original work is properly cited. Issue Online: 22 October 2020; Version of Record online: 24 August 2020; Manuscript revised: 15 July 2020; Manuscript received: 06 April 2020. The authors gratefully acknowledge the financial support from National Science Foundation through W.P.M.’s Graduate Research Fellowship. J.R.G. acknowledges support from the Vannevar Bush Faculty Fellowship, and C.M.P. acknowledges support from the Office of Naval Research Award N00014‐16‐1‐2431. The authors declare no conflict of interest. Author Contributions: W.P.M. fabricated the samples, conducted the experiments, and compiled the experimental data. W.P.M., A.J.M., J.R.G., and C.M.P. conceived and designed the experiments. R.M.F. conceived the original idea of woven lattices. C.M.P. performed the finite element simulations. W.P.M., J.R.G., and C.M.P. analyzed the data and discussed the findings. W.P.M. and C.M.P. wrote the paper.
Funding AgencyGrant Number
NSF Graduate Research FellowshipUNSPECIFIED
Vannevar Bush Faculty FellowshipUNSPECIFIED
Office of Naval Research (ONR)N00014‐16‐1‐2431
Subject Keywords:architected materials; extensible materials; resilient materials; tensile responses; woven lattices
Issue or Number:20
PubMed Central ID:PMC7578876
Record Number:CaltechAUTHORS:20200825-095728096
Persistent URL:
Official Citation:Moestopo, W. P., Mateos, A. J., Fuller, R. M., Greer, J. R., Portela, C. M., Pushing and Pulling on Ropes: Hierarchical Woven Materials. Adv. Sci. 2020, 7, 2001271.
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:105098
Deposited By: Tony Diaz
Deposited On:25 Aug 2020 17:11
Last Modified:16 Nov 2021 18:39

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