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  4. Structuring of electrorheological fluids in polymer matrices for miniature actuators
 
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Structuring of electrorheological fluids in polymer matrices for miniature actuators

Citation Link: https://doi.org/10.15480/882.13566
Publikationstyp
Journal Article
Date Issued
2024-10-30
Sprache
English
Author(s)
Ihrens, Jana  orcid-logo
Mechatronik im Maschinenbau M-4  
Eckert, Kathrin  
Thermische Verfahrenstechnik V-8  
Smirnova, Irina  orcid-logo
Thermische Verfahrenstechnik V-8  
Kern, Thorsten Alexander  orcid-logo
Mechatronik im Maschinenbau M-4  
TORE-DOI
10.15480/882.13566
TORE-URI
https://hdl.handle.net/11420/49808
Journal
Heliyon  
Volume
10
Issue
20
Article Number
e39138
Citation
Heliyon 10 (20): e39138 (2024)
Publisher DOI
10.1016/j.heliyon.2024.e39138
Scopus ID
2-s2.0-85206200232
Publisher
Elsevier
Peer Reviewed
true
Is Supplemented By
10.15480/882.15053
Miniature actuators are utilized in various application fields, from robotics to medical devices, where compact dimensions, precise movements, and cost-effectiveness are crucial factors. Particularly for applications like braille displays, there is a critical demand for lightweight, portable, and affordable actuators to integrate into daily life for visually impaired people. However, existing actuation technologies such as electroactive polymers, electrorheological materials, and piezoelectric elements often do not meet the specific requirements of miniature actuators, especially for braille displays. Therefore, this study investigates the behavior of electrorheological fluids incorporated into polymer matrices of cellulose and proteins for miniature actuators to overcome the primary challenge of sedimentation through the structuring of the liquid. The gel formulations are tested in three distinct setups: the V-shaped, horizontal plates, and valve system. These experiments demonstrated immediate structural changes in the gel formulations, achieving reversible movement. Furthermore, the valve setup even enabled the analysis of the strength of the hardened mixtures by the resistance against applied air pressure. The results demonstrate that incorporating electrorheological fluids into polymer matrices is not only feasible but also preserves the characteristic behavior of electrorheological fluids under electrical field exposure. This behavior validates the applicability and suitability of modified electrorheological fluid mixtures in miniature actuators.
Subjects
Actuators
Braille
Electrorheological fluids
Lyogels
Miniature actuator
Oleogels
Tactile display
DDC Class
620.11: Engineering Materials
Funding(s)
SFB 1615 - SMARTe Reaktoren für die Verfahrenstechnik der Zukunft  
SFB 1615 - Teilprojekt A01: Stimuli-responsive Polymere für selbstregulierende Reaktoren: Von grundlegenden Phänomenen zum Reaktordesign  
SFB 1615 - Teilprojekt A07: Hochintegrierte Sensoren für die Inline-Erfassung des Granulationsfortschrittes in Wirbelschichtreaktoren  
Open-Access-Publikationskosten / 2022-2024 / Technische Universität Hamburg (TUHH)  
Publication version
publishedVersion
Lizenz
https://creativecommons.org/licenses/by/4.0/
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