中文版 | English
Title

Bistable Joints Enable the Morphing of Hydrogel Sheets with Multistable Configurations

Author
Corresponding AuthorWu, Zi Liang
Publication Years
2023-03-01
DOI
Source Title
ISSN
0935-9648
EISSN
1521-4095
Abstract
Joints, as a flexing element to connect different parts, are widespread in natural systems. Various joints exist in the body and play crucial roles to execute gestures and gaits. These scenarios have inspired the design of mechanical joints with passive, hard materials, which usually need an external power supply to drive the transformations. The incorporation of soft and active joints provides a modular strategy to devise soft actuators and robots. However, transformations of responsive joints under external stimuli are usually in uni-mode with a pre-determined direction. Here, hydrogel joints capable of folding and twisting transformation in bi-mode are reported, which enable the composite hydrogel to form multiple configurations under constant conditions. These joints have an in-plane gradient structure and comprise stiff, passive gel as the frame and soft, active gel as the actuating unit. Under external stimuli, the response mismatch between different gels leads to out-of-plane folding or twisting deformation with the feature of bistability. These joints can be modularly integrated with other gels to afford complex deformations and multistable configurations. This approach favors selective control of hydrogel's architectures and versatile design of hydrogel devices, as demonstrated by proof-of-concept examples. It shall also merit the development of metamaterials, soft actuators, and robots, etc.
Keywords
URL[Source Record]
Indexed By
Language
English
Important Publications
NI Journal Papers
SUSTech Authorship
Others
Funding Project
National Natural Science Foundation of China["51973189","52173012"] ; Natural Science Foundation of Zhejiang Province of China[LR19E030002] ; Shanxi-Zheda Institute of Advanced Materials and Chemical Engineering[2022SZ-FR004]
WOS Research Area
Chemistry ; Science & Technology - Other Topics ; Materials Science ; Physics
WOS Subject
Chemistry, Multidisciplinary ; Chemistry, Physical ; Nanoscience & Nanotechnology ; Materials Science, Multidisciplinary ; Physics, Applied ; Physics, Condensed Matter
WOS Accession No
WOS:000941951600001
Publisher
ESI Research Field
MATERIALS SCIENCE
Data Source
Web of Science
Citation statistics
Cited Times [WOS]:3
Document TypeJournal Article
Identifierhttp://kc.sustech.edu.cn/handle/2SGJ60CL/501475
DepartmentDepartment of Mechanics and Aerospace Engineering
Affiliation
1.Zhejiang Univ, Dept Polymer Sci & Engn, Minist Educ, Key Lab Macromol Synth & Functionalizat, Hangzhou 310027, Peoples R China
2.Southern Univ Sci & Technol, Dept Mech & Aerosp Engn, Shenzhen 518055, Peoples R China
Recommended Citation
GB/T 7714
Li, Chen Yu,Jiao, Dejin,Hao, Xing Peng,et al. Bistable Joints Enable the Morphing of Hydrogel Sheets with Multistable Configurations[J]. ADVANCED MATERIALS,2023.
APA
Li, Chen Yu,Jiao, Dejin,Hao, Xing Peng,Hong, Wei,Zheng, Qiang,&Wu, Zi Liang.(2023).Bistable Joints Enable the Morphing of Hydrogel Sheets with Multistable Configurations.ADVANCED MATERIALS.
MLA
Li, Chen Yu,et al."Bistable Joints Enable the Morphing of Hydrogel Sheets with Multistable Configurations".ADVANCED MATERIALS (2023).
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