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COMPARISON OF CNT-PAPERS AND CNT-ARRAYS REGARDING THEIR ACTIVE BEHAVIOR

Geier, Sebastian and Mahrholz, Thorsten and Wierach, Peter and Sinapius, Michael (2015) COMPARISON OF CNT-PAPERS AND CNT-ARRAYS REGARDING THEIR ACTIVE BEHAVIOR. In: Proceedings of the ASME 2015 Conference on Smart Materials, Adaptive Structures and Intelligent Systems. ASME 2015 Conference on Smart Materials, Adaptive Structures and Intelligent Systems, SMASIS 2015, 21.-23. September 2015, Colorado Springs, Colorado, USA.

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Abstract

This paper focuses on the actuation mechanisms of CNTpapers and CNT-arrays. CNT-papers represent architectures of CNTs which are connected by van der Waals forces or structural entanglement. In contrast CNT-arrays are vertically aligned CNTs. Single CNTs are favored for investigation of the active behavior of the hexagonal carbon structure formed by covalent Cbonds. CNT-arrays feature contiuous tubes of 3 mm length which allows the test the tubes themselves. Thus they are clamped at each end they represent samples for testing covalent bonds. Both sample types are tested within an actuated tensile test set-up under different conditions to identify the specific influence. Furthermore different electrolytes are used to investigate the influence of the ion-radius on the CNT-paper. CNT-papers are tested in water-based electrolytes CNT-arrays are tested in an ionic liquid. It was found that the performance of CNT-papers strongly depends on the conditions which indicates ion-diffusion as actuation mechanism. However, CNT-arrays are almost unaffected by the conditions, considering their active response and sample composition quantum mechanical reasons seem to be the most appropriate explanation for the array actuation.

Item URL in elib:https://elib.dlr.de/97764/
Document Type:Conference or Workshop Item (Speech)
Title:COMPARISON OF CNT-PAPERS AND CNT-ARRAYS REGARDING THEIR ACTIVE BEHAVIOR
Authors:
AuthorsInstitution or Email of AuthorsAuthor's ORCID iD
Geier, SebastianSebastian.Geier (at) dlr.deUNSPECIFIED
Mahrholz, ThorstenThorsten.Mahrholz (at) dlr.deUNSPECIFIED
Wierach, PeterPeter.Wierach (at) dlr.deUNSPECIFIED
Sinapius, MichaelMichael.Sinapius (at) dlr.deUNSPECIFIED
Date:September 2015
Journal or Publication Title:Proceedings of the ASME 2015 Conference on Smart Materials, Adaptive Structures and Intelligent Systems
Refereed publication:Yes
Open Access:No
Gold Open Access:No
In SCOPUS:No
In ISI Web of Science:No
Editors:
EditorsEmailEditor's ORCID iD
Smith, RalphNorth Carolina State UniversityUNSPECIFIED
Michael, PhilenVirginia TechUNSPECIFIED
Status:Accepted
Keywords:Nanoaktuator, Materialcharakterisierung
Event Title:ASME 2015 Conference on Smart Materials, Adaptive Structures and Intelligent Systems, SMASIS 2015
Event Location:Colorado Springs, Colorado, USA
Event Type:international Conference
Event Dates:21.-23. September 2015
Organizer:ASME
HGF - Research field:Aeronautics, Space and Transport
HGF - Program:Aeronautics
HGF - Program Themes:fixed-wing aircraft
DLR - Research area:Aeronautics
DLR - Program:L AR - Aircraft Research
DLR - Research theme (Project):L - Structures and Materials (old)
Location: Braunschweig
Institutes and Institutions:Institute of Composite Structures and Adaptive Systems > Multifunctional Materials
Deposited By: Geier, Sebastian
Deposited On:07 Sep 2015 09:07
Last Modified:14 Jan 2016 09:28

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