In this study, the natural frequencies and mode shapes of carbon nanotube (CNT) reinforced polymer composite microcantilever beams are investigated by means of a micromechanical model and the three-dimensional finite element analysis. Microcantilever beams are made of Poly vinyl chloride (PVC) and reinforced with multi-wall carbon nanotubes (MWCNTs). MWCNTs can be distributed along the length/width/thickness of the nanocomposite beam. To validate the accuracy and effectiveness of the model, a direct comparison of results is made with an analytical solution for a test case. Next, various material types of the nanocomposite microcantilever beam are introduced and the effect of different distribution patterns and the weight-percents (wt%) of MWCNTs on the first six natural frequencies and mode shapes is found.
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ASME 2010 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference
August 15–18, 2010
Montreal, Quebec, Canada
Conference Sponsors:
- Design Engineering Division and Computers in Engineering Division
ISBN:
978-0-7918-4409-0
PROCEEDINGS PAPER
The Effect of Carbon Nanotubes on the Natural Frequencies of Microcantilever Beams
Hossein Rokni D. T.,
Hossein Rokni D. T.
University of British Columbia-Okanagan, Kelowna, BC, Canada
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Abbas S. Milani,
Abbas S. Milani
University of British Columbia-Okanagan, Kelowna, BC, Canada
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Rudolf J. Seethaler,
Rudolf J. Seethaler
University of British Columbia-Okanagan, Kelowna, BC, Canada
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Jonathan Holzman
Jonathan Holzman
University of British Columbia-Okanagan, Kelowna, BC, Canada
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Hossein Rokni D. T.
University of British Columbia-Okanagan, Kelowna, BC, Canada
Abbas S. Milani
University of British Columbia-Okanagan, Kelowna, BC, Canada
Rudolf J. Seethaler
University of British Columbia-Okanagan, Kelowna, BC, Canada
Jonathan Holzman
University of British Columbia-Okanagan, Kelowna, BC, Canada
Paper No:
DETC2010-28494, pp. 29-34; 6 pages
Published Online:
March 8, 2011
Citation
Rokni D. T., H, Milani, AS, Seethaler, RJ, & Holzman, J. "The Effect of Carbon Nanotubes on the Natural Frequencies of Microcantilever Beams." Proceedings of the ASME 2010 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference. Volume 1: 36th Design Automation Conference, Parts A and B. Montreal, Quebec, Canada. August 15–18, 2010. pp. 29-34. ASME. https://doi.org/10.1115/DETC2010-28494
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