Cheol Park, National Institute of Aerospace


Carbon Nanotube Polymer Nanocomposites for Multifunctional and Structural Aerospace Applications

Abstract:  Multifunctional structural materials can provide a novel design space for future aerospace structures. Recent studies of carbon nanotube-polymer nanocomposites indicate that these materials have the potential to provide the combination of structural integrity and sensing or actuation capability. The modulus and toughness of the polymer matrix were improved significantly with incorporation of the nanotubes. Very small loadings of single wall carbon nanotubes, approximately 0.05 to 0.1wt%, in a polyimide matrix result in an electroactive sensor material in response to strain, stress, pressure, and temperature. These materials also exhibit significant strains in response to applied electric fields. This presentation will highlight how to tailor the physical properties of the multifunctional nanocomposites by controlling nanotube surface treatment, concentration, and degree of alignment, and discuss their potential for multifunctional structural applications.

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