This paper reports on the investigation and optimization of the electric properties of a geometry based variable stiffness concept. The concept relies on the combination of electrostatic normal forces and friction between the layers of a multi-layer beam to develop structures, electro bonded laminates (EBL), with an actively tuneable bending stiffness. Previous studies have detailed the connection between the mechanical response of these system and the electrical properties of its polymer constitutive films. Particularly, they pointed out the need to improve both the dielectric and the insulating properties of these films in order to have an enhancement of the bending tunability range of the system. In this paper a multilayer polymer configuration is considered as a possible answer to this need and it is put forward together with the electric model and the relatively high frequency experimental evidence of the proposed solution.
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ASME 2011 Conference on Smart Materials, Adaptive Structures and Intelligent Systems
September 18–21, 2011
Scottsdale, Arizona, USA
Conference Sponsors:
- Aerospace Division
ISBN:
978-0-7918-5471-6
PROCEEDINGS PAPER
Multilayered Structures for Electro Bonded Laminates
Luigi Di Lillo
,
Luigi Di Lillo
ETH Swiss Federal Institute of Technology, Zurich, Switzerland
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Dario Albino Carnelli
,
Dario Albino Carnelli
ETH Swiss Federal Institute of Technology, Zurich, Switzerland
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Andrea Bergamini
,
Andrea Bergamini
Empa Swiss Federal Laboratories for Materials Science and Technology, Dubendorf, Switzerland
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Paolo Ermanni
Paolo Ermanni
ETH Swiss Federal Institute of Technology, Zurich, Switzerland
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Luigi Di Lillo
ETH Swiss Federal Institute of Technology, Zurich, Switzerland
Dario Albino Carnelli
ETH Swiss Federal Institute of Technology, Zurich, Switzerland
Andrea Bergamini
Empa Swiss Federal Laboratories for Materials Science and Technology, Dubendorf, Switzerland
Paolo Ermanni
ETH Swiss Federal Institute of Technology, Zurich, Switzerland
Paper No:
SMASIS2011-4985, pp. 323-331; 9 pages
Published Online:
February 7, 2012
Citation
Di Lillo, L, Carnelli, DA, Bergamini, A, & Ermanni, P. "Multilayered Structures for Electro Bonded Laminates." Proceedings of the ASME 2011 Conference on Smart Materials, Adaptive Structures and Intelligent Systems. ASME 2011 Conference on Smart Materials, Adaptive Structures and Intelligent Systems, Volume 1. Scottsdale, Arizona, USA. September 18–21, 2011. pp. 323-331. ASME. https://doi.org/10.1115/SMASIS2011-4985
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