Simon Binder,1 Adrian Ehrenhoferhttps://orcid.org/0000-0002-2370-8381,2 Tanvir Ahmad,1 Christopher F. Reiche,1 Florian Solzbacher,1 Thomas Wallmersperger2
1The Univ. of Utah (United States) 2TU Dresden (Germany)
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Space-resolved stimulation of active hydrogel layers can be achieved for example by using a micro-heater array. In the current work, we present the interaction of (i) such a rigid array of heating elements that can be selectively activated and (ii) an active thermo-responsive hydrogel layer that responds to the local stimulus change. Due to the respective local actuation, (iii) the surface form of a passive top-layer can be manipulated. We present continuum-based simulative predictions based on the Temperature Expansion Model and compare them to experimental outcomes for the system.
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Simon Binder, Adrian Ehrenhofer, Tanvir Ahmad, Christopher F. Reiche, Florian Solzbacher, Thomas Wallmersperger, "Localized actuation of temperature responsive hydrogel-layers with a PCB-based micro-heater array," Proc. SPIE 12042, Electroactive Polymer Actuators and Devices (EAPAD) XXIV, 120420S (20 April 2022); https://doi.org/10.1117/12.2612335