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Composites comprising carbon nanotubes on fiber

  • US 8,585,934 B2
  • Filed: 02/17/2010
  • Issued: 11/19/2013
  • Est. Priority Date: 02/17/2009
  • Status: Active Grant
First Claim
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1. A tailored composite comprising:

  • a matrix material; and

    a first plurality of carbon nanotube (CNT)-infused fibers dispersed in a first location of the matrix material and a second plurality of carbon nanotube-infused fibers dispersed in a second location of the matrix material;

    wherein the CNT-infused fibers comprise carbon nanotubes that are grown in situ on an exterior surface of a fiber material and extend therefrom;

    wherein the amount of carbon nanotubes in the tailored composite is in a range between about 0.1 percent by weight to about 60 percent by weight of the tailored composite; and

    wherein the first plurality of carbon nanotube-infused fibers and the second plurality of carbon nanotube-infused fibers differ in any combination of CNT length, CNT density, or CNT alignment with respect to the fiber material to provide a differential enhancement in at least one property selected from the group consisting of mechanical, thermal, and electrical properties in each location of the tailored composite.

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