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Modeling strategy for dynamic-modal mechanophore in double-network hydrogel composites with self-growing and tailorable mechanical strength

Haibao Lu, Ziyu Xing, Mokarram Hossain Orcid Logo, Yong-Qing Fu

Composites Part B: Engineering, Start page: 107528

Swansea University Author: Mokarram Hossain Orcid Logo

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DOI (Published version): 10.1016/j.compositesb.2019.107528

Abstract

Smart materials with self-growing and tailorable mechanical strength have wide-range potential applications in self-healing, self-repairing, self-assembly, artificial muscle, soft robots and intelligent devices. However, their working mechanisms and principles are not fully understood yet and mathem...

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Published in: Composites Part B: Engineering
ISSN: 1359-8368
Published: 2019
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URI: https://cronfa.swan.ac.uk/Record/cronfa52415
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first_indexed 2019-10-13T14:21:52Z
last_indexed 2020-07-21T13:14:04Z
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spelling 2020-07-21T12:44:55.5083853 v2 52415 2019-10-13 Modeling strategy for dynamic-modal mechanophore in double-network hydrogel composites with self-growing and tailorable mechanical strength 140f4aa5c5ec18ec173c8542a7fddafd 0000-0002-4616-1104 Mokarram Hossain Mokarram Hossain true false 2019-10-13 GENG Smart materials with self-growing and tailorable mechanical strength have wide-range potential applications in self-healing, self-repairing, self-assembly, artificial muscle, soft robots and intelligent devices. However, their working mechanisms and principles are not fully understood yet and mathematically and physical modeling is a huge challenge, as traditionally synthesized materials cannot self-grow and reconstruct themselves once formed or deformed. In this study, a phenomenological constitutive model was developed to investigate the working mechanisms of self-growing and tailorable mechanical strength in double-network (DN) hydrogel composites, induced by mechanochemical transduction of dynamic-modal mechanophore. An extended Maxwell model was firstly employed to characterize the mechanical unzipping of hydrogel composites, and then mechanochemically induced destruction and reconstruction processes of brittle network in the hydrogel composite were formulated. The enhanced mechanical strength of brittle network has been identified as the key driving force to generate self-growing and tailorable mechanical strength in the hydrogel composite. Finally, a stress-strain constitutive relationship was developed for the dynamic-modal mechanophorein the hydrogel composite. Simulation results obtained from the proposed model were compared with the experimental data, and a good agreement has been achieved. This study provides an effective strategy for modelling and exploring the working mechanism in the mechanoresponsive DN hydrogel composites with self-growing and tailorable mechanical strength. Journal Article Composites Part B: Engineering 107528 1359-8368 Mechanochemical; Modelling; Hydrogel composite; Self-growing 15 12 2019 2019-12-15 10.1016/j.compositesb.2019.107528 https://www.sciencedirect.com/science/article/abs/pii/S1359836819322358 COLLEGE NANME General Engineering COLLEGE CODE GENG Swansea University 2020-07-21T12:44:55.5083853 2019-10-13T12:53:02.0347667 Haibao Lu 1 Ziyu Xing 2 Mokarram Hossain 0000-0002-4616-1104 3 Yong-Qing Fu 4 52415__15570__709101af78644c1d833b5964d8bc07b3.pdf lu2019(3).pdf 2019-10-14T09:02:03.5400000 Output 3319299 application/pdf Accepted Manuscript true 2020-10-10T00:00:00.0000000 false eng
title Modeling strategy for dynamic-modal mechanophore in double-network hydrogel composites with self-growing and tailorable mechanical strength
spellingShingle Modeling strategy for dynamic-modal mechanophore in double-network hydrogel composites with self-growing and tailorable mechanical strength
Mokarram Hossain
title_short Modeling strategy for dynamic-modal mechanophore in double-network hydrogel composites with self-growing and tailorable mechanical strength
title_full Modeling strategy for dynamic-modal mechanophore in double-network hydrogel composites with self-growing and tailorable mechanical strength
title_fullStr Modeling strategy for dynamic-modal mechanophore in double-network hydrogel composites with self-growing and tailorable mechanical strength
title_full_unstemmed Modeling strategy for dynamic-modal mechanophore in double-network hydrogel composites with self-growing and tailorable mechanical strength
title_sort Modeling strategy for dynamic-modal mechanophore in double-network hydrogel composites with self-growing and tailorable mechanical strength
author_id_str_mv 140f4aa5c5ec18ec173c8542a7fddafd
author_id_fullname_str_mv 140f4aa5c5ec18ec173c8542a7fddafd_***_Mokarram Hossain
author Mokarram Hossain
author2 Haibao Lu
Ziyu Xing
Mokarram Hossain
Yong-Qing Fu
format Journal article
container_title Composites Part B: Engineering
container_start_page 107528
publishDate 2019
institution Swansea University
issn 1359-8368
doi_str_mv 10.1016/j.compositesb.2019.107528
url https://www.sciencedirect.com/science/article/abs/pii/S1359836819322358
document_store_str 1
active_str 0
description Smart materials with self-growing and tailorable mechanical strength have wide-range potential applications in self-healing, self-repairing, self-assembly, artificial muscle, soft robots and intelligent devices. However, their working mechanisms and principles are not fully understood yet and mathematically and physical modeling is a huge challenge, as traditionally synthesized materials cannot self-grow and reconstruct themselves once formed or deformed. In this study, a phenomenological constitutive model was developed to investigate the working mechanisms of self-growing and tailorable mechanical strength in double-network (DN) hydrogel composites, induced by mechanochemical transduction of dynamic-modal mechanophore. An extended Maxwell model was firstly employed to characterize the mechanical unzipping of hydrogel composites, and then mechanochemically induced destruction and reconstruction processes of brittle network in the hydrogel composite were formulated. The enhanced mechanical strength of brittle network has been identified as the key driving force to generate self-growing and tailorable mechanical strength in the hydrogel composite. Finally, a stress-strain constitutive relationship was developed for the dynamic-modal mechanophorein the hydrogel composite. Simulation results obtained from the proposed model were compared with the experimental data, and a good agreement has been achieved. This study provides an effective strategy for modelling and exploring the working mechanism in the mechanoresponsive DN hydrogel composites with self-growing and tailorable mechanical strength.
published_date 2019-12-15T04:04:46Z
_version_ 1763753366475767808
score 11.037056

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