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High performance functional composites by in-situ orientation of carbon nanofillers

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2019

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Singer, Gerald
Sinn, Gerhard
Rennhofer, Harald
Schuller, Reinhard
Grünewald, Tilman A.
Windberger, Ursula
Lichtenegger, Helga C.

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https://doi.org/10.1016/j.compstruct.2019.02.020
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Composite Structures. Elsevier. 2019, 215, pp. 178-184. ISSN 0263-8223. eISSN 1879-1085. Available under: doi: 10.1016/j.compstruct.2019.02.020

Zusammenfassung

A simple route for the in-situ orientation of carbon nanofillers applied during the curing process of a carbon fiber reinforced polymer (CRFP) in a hot press, is demonstrated. Neat MWCNT, amine-functionalized MWCNT (MWCNT-NH2) and CNF were dispersed in an epoxy resin using a three-roll-mill (TRM) to ensure good dispersion. The process leads to a hierarchically structured functional composite where MWCNT/CNF are aligned in the z-direction (out-of-plane) of the carbon fiber plies, giving rise to improved mechanical and electrical performance. Our results demonstrate that aligned carbon nanofillers yield significantly more pronounced improvements than non-oriented fillers. An applicable processing route towards advanced functional composite materials with major practical importance is presented in this study.

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ISO 690SINGER, Gerald, Gerhard SINN, Harald RENNHOFER, Reinhard SCHULLER, Tilman A. GRÜNEWALD, Miriam M. UNTERLASS, Ursula WINDBERGER, Helga C. LICHTENEGGER, 2019. High performance functional composites by in-situ orientation of carbon nanofillers. In: Composite Structures. Elsevier. 2019, 215, pp. 178-184. ISSN 0263-8223. eISSN 1879-1085. Available under: doi: 10.1016/j.compstruct.2019.02.020
BibTex
@article{Singer2019perfo-54854,
  year={2019},
  doi={10.1016/j.compstruct.2019.02.020},
  title={High performance functional composites by in-situ orientation of carbon nanofillers},
  volume={215},
  issn={0263-8223},
  journal={Composite Structures},
  pages={178--184},
  author={Singer, Gerald and Sinn, Gerhard and Rennhofer, Harald and Schuller, Reinhard and Grünewald, Tilman A. and Unterlass, Miriam M. and Windberger, Ursula and Lichtenegger, Helga C.}
}
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