Localized actuation of temperature responsive hydrogel-layers with a PCB-based micro-heater array

Simon Binder; Adrian Ehrenhofer; Tanvir Ahmad; Christopher F. Reiche; Florian Solzbacher; Thomas Wallmersperger

doi:10.1117/12.2612335

20 April 2022 Localized actuation of temperature responsive hydrogel-layers with a PCB-based micro-heater array

Simon Binder, Adrian Ehrenhofer, Tanvir Ahmad, Christopher F. Reiche, Florian Solzbacher, Thomas Wallmersperger

Proceedings Volume 12042, Electroactive Polymer Actuators and Devices (EAPAD) XXIV; 120420S (2022) https://doi.org/10.1117/12.2612335
Event: SPIE Smart Structures + Nondestructive Evaluation, 2022, Long Beach, California, United States

Abstract

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.

Conference Presentation

Citation Download Citation

Simon Binder, Adrian Ehrenhofer, Tanvir Ahmad, Christopher F. Reiche, Florian Solzbacher, and 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

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