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Fatigue-Resistant and Hysteresis-Free Composite Fibers with a Heterogeneous Hierarchical Structure

Fatigue-Resistant and Hysteresis-Free Composite Fibers with a Heterogeneous Hierarchical Structure Fatigue-resistant and hysteresis-free composite fibers hold great promise for the next generation of wearable electronic devices. In this study, a novel approach for the fabrication of composite fibers with outstanding elasticity and mechanical stability is proposed. The design incorporates a heterogeneous hierarchical structure (HHS), which mimics the structure of arteries, to achieve enhanced fatigue resistance and hysteresis-free performance. The composite fibers, Ecoflex-polyacrylamide fibers (EPFs), are created through the combination of heterogeneous elastomers and strong interfacial coupling. The results show that the EPFs exhibit exceptional fatigue resistance, being able to withstand up to 10,000 load–unload cycles at strains of 300% without any noticeable changes in their mechanical properties. The potential applications of these EPFs are demonstrated through their use as strain sensors for monitoring human motion in both air and water, as well as in energy-harvesting e-textiles.Graphical AbstractThis paper proposes a novel approach for the fabrication of composite fibers with heterogeneous hierarchical structure by mimicking the structure of arteries, to achieve enhanced fatigue resistance and hysteresis-free performance. The composite fibers are created through the combination of heterogeneous elastomers and strong interfacial coupling. The results show that the fiber exhibit exceptional fatigue resistance, being able to withstand up to 10,000 load–unload cycles at strains of 300% without any noticeable changes in their mechanical properties. Demonstrations as strain sensors for monitoring human motion in both air and water, as well as in energy-harvesting e-textiles are performed, indicating the as-made fiber with an enormous potential uses in e-skin and wearable electronic devices.[graphic not available: see fulltext] http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Advanced Fiber Materials Springer Journals

Fatigue-Resistant and Hysteresis-Free Composite Fibers with a Heterogeneous Hierarchical Structure

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References (65)

Publisher
Springer Journals
Copyright
Copyright © Donghua University, Shanghai, China 2023. Springer Nature or its licensor (e.g. a society or other partner) holds exclusive rights to this article under a publishing agreement with the author(s) or other rightsholder(s); author self-archiving of the accepted manuscript version of this article is solely governed by the terms of such publishing agreement and applicable law.
ISSN
2524-7921
eISSN
2524-793X
DOI
10.1007/s42765-023-00300-9
Publisher site
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Abstract

Fatigue-resistant and hysteresis-free composite fibers hold great promise for the next generation of wearable electronic devices. In this study, a novel approach for the fabrication of composite fibers with outstanding elasticity and mechanical stability is proposed. The design incorporates a heterogeneous hierarchical structure (HHS), which mimics the structure of arteries, to achieve enhanced fatigue resistance and hysteresis-free performance. The composite fibers, Ecoflex-polyacrylamide fibers (EPFs), are created through the combination of heterogeneous elastomers and strong interfacial coupling. The results show that the EPFs exhibit exceptional fatigue resistance, being able to withstand up to 10,000 load–unload cycles at strains of 300% without any noticeable changes in their mechanical properties. The potential applications of these EPFs are demonstrated through their use as strain sensors for monitoring human motion in both air and water, as well as in energy-harvesting e-textiles.Graphical AbstractThis paper proposes a novel approach for the fabrication of composite fibers with heterogeneous hierarchical structure by mimicking the structure of arteries, to achieve enhanced fatigue resistance and hysteresis-free performance. The composite fibers are created through the combination of heterogeneous elastomers and strong interfacial coupling. The results show that the fiber exhibit exceptional fatigue resistance, being able to withstand up to 10,000 load–unload cycles at strains of 300% without any noticeable changes in their mechanical properties. Demonstrations as strain sensors for monitoring human motion in both air and water, as well as in energy-harvesting e-textiles are performed, indicating the as-made fiber with an enormous potential uses in e-skin and wearable electronic devices.[graphic not available: see fulltext]

Journal

Advanced Fiber Materials – Springer Journals

Published: Oct 1, 2023

Keywords: Heterogeneous hierarchical structure; Composite fibers; Fatigue resistance; Hysteresis free; Wearable electronic devices

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