EFFECTIVE SIMULATION APPROACH FOR STUDY OF CARBON NANOTUBE MECHANICAL PROPERTIES

1,2 SVATOŠ Vojtěch
Co-authors:
1,2 NEUŽIL Pavel 3 HRSTKA Miroslav 1,2 HUBÁLEK Jaromír
Institutions:
1 Central European Institute of Technology, Brno University of Technology, Brno, Czech Republic, EU, vojtech.svatos@ceitec.vutbr.cz
2 Brno University of Technology, Faculty of Electrical Engineering and Communication, Department of Microelectronics, Brno, Czech Republic, EU
3 Brno University of Technology, Faculty of Electrical Engineering and Communication, Institute of Solid Mechanics, Mechatronics and Biomechanics, Brno, Czech Republic, EU
Conference:
7th International Conference on Nanomaterials - Research & Application, Hotel Voronez I, Brno, Czech Republic, EU, October 14th - 16th 2015
Proceedings:
Proceedings 7th International Conference on Nanomaterials - Research & Application
Pages:
111-115
ISBN:
978-80-87294-59-8
ISSN:
2694-930X
Published:
11th January 2016
Proceedings of the conference were published in Web of Science and Scopus.
Metrics:
19 views / 5 downloads
Abstract

We present effective and simplified methodology to simulate and investigate mechanical properties of vertically aligned multiwall carbon nanotubes (MWCNTs). Unlike conventional solutions, we considered nanotube as a beam with a fixed end and a free end, allowing us to employ the mechanics of beam used as cantilever. Considering the atomic force microscopy (AFM) force-distance measurement as possibility to experimental determination of CNTs mechanical properties, we simulated the interaction of carbon nanotube structure with AFM cantilever at the applied force. We investigated the effect of inner and outer radius, different values of Young’s modulus, and various lengths of MWCNTs. The presented methodology is a significantly quick simulation approach providing validated information about MWCNTs mechanical behavior.

Keywords: Multiwall carbon nanotubes, mechanical properties, Young’s modulus, beam, AFM
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