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In-Situ Characterization of MWCNTs Reinforced Epoxy Nanocomposite Under Mechanical Load

[+] Author Affiliations
Xinnan Wang, Peng Cui, X. W. Tangpong

North Dakota State University, Fargo, ND

Paper No. MSEC2012-7397, pp. 897-906; 10 pages
doi:10.1115/MSEC2012-7397
From:
  • ASME 2012 International Manufacturing Science and Engineering Conference collocated with the 40th North American Manufacturing Research Conference and in participation with the International Conference on Tribology Materials and Processing
  • ASME 2012 International Manufacturing Science and Engineering Conference
  • Notre Dame, Indiana, USA, June 4–8, 2012
  • Conference Sponsors: Manufacturing Engineering Division
  • ISBN: 978-0-7918-5499-0
  • Copyright © 2012 by ASME

abstract

In this study, the mechanical properties of multi-walled carbon nanotubes (MWCNTs) reinforced epoxy nanocomposite were measured with the custom-built micro/nano three point bending tester mounted on an atomic force microscope (AFM). With in-situ observation of the AFM, the movement of an individual MWCNT on the sample surface was traced, captured, and quantified using the image correlation technique. The Halpin-Tsai and Hui-shia models were applied and compared with the experimental data. Results showed that the elastic modulus from the experiment is much lower than the predicted values from the two models. Detailed mechanical deformation behavior and MWCNT reinforcement mechanism were discussed.

Copyright © 2012 by ASME

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