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Artificial Tendrils Mimicking Plant Movements by Mismatching Modulus and Strain in Core and Shell

Muhammad Farhan, Frederike Klimm, Marc Thielen Orcid Logo, Andraž Rešetič Orcid Logo, Anil Bastola, Marc Behl, Thomas Speck Orcid Logo, Andreas Lendlein Orcid Logo

Advanced Materials, Volume: 35, Issue: 22

Swansea University Author: Anil Bastola

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DOI (Published version): 10.1002/adma.202211902

Abstract

Motile organs have evolved in climbing plants enabling them to find a support and, after secure attachment, to reach for sunlight without investing in a self-supporting stem. Searching movements, the twining of stems, and the coiling of tendrils are involved in successful plant attachment. Such coil...

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Published in: Advanced Materials
ISSN: 0935-9648 1521-4095
Published: Wiley 2023
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URI: https://cronfa.swan.ac.uk/Record/cronfa65770
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spelling v2 65770 2024-03-05 Artificial Tendrils Mimicking Plant Movements by Mismatching Modulus and Strain in Core and Shell 6775d40c935b36b92058eb10d6454f1a Anil Bastola Anil Bastola true false 2024-03-05 MECH Motile organs have evolved in climbing plants enabling them to find a support and, after secure attachment, to reach for sunlight without investing in a self-supporting stem. Searching movements, the twining of stems, and the coiling of tendrils are involved in successful plant attachment. Such coiling movements have great potential in robotic applications, especially if they are reversible. Here, the underlying mechanism of tendril movement based on contractile fibers is reported, as illustrated by a function–morphological analysis of tendrils in several liana species and the encoding of such a principle in a core–shell multimaterial fiber (MMF) system. MMFs are composed of a shape-memory core fiber (SMCF) and an elastic shell. The shape-memory effect of the core fibers enables the implementation of strain mismatch in the MMF by physical means and provides thermally controlled reversible motion. The produced MMFs show coiling and/or uncoiling behavior, with a high reversible actuation magnitude of ≈400%, which is almost 20 times higher compared with similar stimuli for sensitive soft actuators. The movements in these MMFs rely on the crystallization/melting behavior of oriented macromolecules of SMCF. Journal Article Advanced Materials 35 22 Wiley 0935-9648 1521-4095 actuators; elastic modulus; multimaterial fibers; pre-straining; tendrils 1 6 2023 2023-06-01 10.1002/adma.202211902 COLLEGE NANME Mechanical Engineering COLLEGE CODE MECH Swansea University Other Open access funding enabled and organized by Projekt DEAL. Helmholtz Association European Union's Horizon 2020. Grant Number: No. 824074 Deutsche Forschungsgemeinschaft. Grant Number: EXC-2193/1-390951807 2024-04-25T17:08:34.3705764 2024-03-05T22:15:25.0616666 Faculty of Science and Engineering School of Aerospace, Civil, Electrical, General and Mechanical Engineering - Mechanical Engineering Muhammad Farhan 1 Frederike Klimm 2 Marc Thielen 0000-0002-7773-6724 3 Andraž Rešetič 0000-0003-2851-4401 4 Anil Bastola 5 Marc Behl 6 Thomas Speck 0000-0002-2245-2636 7 Andreas Lendlein 0000-0003-4126-4670 8 65770__30155__2a541ede45104f8bae343c2d185fa6ae.pdf 65770.VoR.pdf 2024-04-25T17:05:24.4979392 Output 8629717 application/pdf Version of Record true © 2023 The Authors. This is an open access article under the terms of the Creative Commons Attribution-NonCommercial License. true eng http://creativecommons.org/licenses/by-nc/4.0/
title Artificial Tendrils Mimicking Plant Movements by Mismatching Modulus and Strain in Core and Shell
spellingShingle Artificial Tendrils Mimicking Plant Movements by Mismatching Modulus and Strain in Core and Shell
Anil Bastola
title_short Artificial Tendrils Mimicking Plant Movements by Mismatching Modulus and Strain in Core and Shell
title_full Artificial Tendrils Mimicking Plant Movements by Mismatching Modulus and Strain in Core and Shell
title_fullStr Artificial Tendrils Mimicking Plant Movements by Mismatching Modulus and Strain in Core and Shell
title_full_unstemmed Artificial Tendrils Mimicking Plant Movements by Mismatching Modulus and Strain in Core and Shell
title_sort Artificial Tendrils Mimicking Plant Movements by Mismatching Modulus and Strain in Core and Shell
author_id_str_mv 6775d40c935b36b92058eb10d6454f1a
author_id_fullname_str_mv 6775d40c935b36b92058eb10d6454f1a_***_Anil Bastola
author Anil Bastola
author2 Muhammad Farhan
Frederike Klimm
Marc Thielen
Andraž Rešetič
Anil Bastola
Marc Behl
Thomas Speck
Andreas Lendlein
format Journal article
container_title Advanced Materials
container_volume 35
container_issue 22
publishDate 2023
institution Swansea University
issn 0935-9648
1521-4095
doi_str_mv 10.1002/adma.202211902
publisher Wiley
college_str Faculty of Science and Engineering
hierarchytype
hierarchy_top_id facultyofscienceandengineering
hierarchy_top_title Faculty of Science and Engineering
hierarchy_parent_id facultyofscienceandengineering
hierarchy_parent_title Faculty of Science and Engineering
department_str School of Aerospace, Civil, Electrical, General and Mechanical Engineering - Mechanical Engineering{{{_:::_}}}Faculty of Science and Engineering{{{_:::_}}}School of Aerospace, Civil, Electrical, General and Mechanical Engineering - Mechanical Engineering
document_store_str 1
active_str 0
description Motile organs have evolved in climbing plants enabling them to find a support and, after secure attachment, to reach for sunlight without investing in a self-supporting stem. Searching movements, the twining of stems, and the coiling of tendrils are involved in successful plant attachment. Such coiling movements have great potential in robotic applications, especially if they are reversible. Here, the underlying mechanism of tendril movement based on contractile fibers is reported, as illustrated by a function–morphological analysis of tendrils in several liana species and the encoding of such a principle in a core–shell multimaterial fiber (MMF) system. MMFs are composed of a shape-memory core fiber (SMCF) and an elastic shell. The shape-memory effect of the core fibers enables the implementation of strain mismatch in the MMF by physical means and provides thermally controlled reversible motion. The produced MMFs show coiling and/or uncoiling behavior, with a high reversible actuation magnitude of ≈400%, which is almost 20 times higher compared with similar stimuli for sensitive soft actuators. The movements in these MMFs rely on the crystallization/melting behavior of oriented macromolecules of SMCF.
published_date 2023-06-01T17:08:33Z
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score 11.014067

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