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Multifunctional Characteristics of Carbon Nanotube (CNT) Yarn Composites

[+] Author Affiliations
Corey D. Hernandez

Swales Aerospace, Hampton, VA

Mei Zhang, Shaoli Fang, Ray H. Baughman

University of Texas at Dallas, Richardson, TX

Thomas S. Gates, Seun K. Kahng

NASA Langley Research Center, Hampton, VA

Paper No. MN2006-17028, pp. 247-251; 5 pages
doi:10.1115/MN2006-17028
From:
  • ASME 2006 Multifunctional Nanocomposites International Conference
  • Multifunctional Nanocomposites
  • Honolulu, Hawaii, USA, September 20–22, 2006
  • Conference Sponsors: Nanotechnology Institute
  • ISBN: 0-7918-4761-6 | eISBN: 0-7918-3785-8

abstract

By forming composite structures with Carbon Nanotube (CNT) yarns we achieve materials capable of measuring strain and composite structures with increased mechanical strength. The CNT yarns used are of the 2-ply and 4-ply variety with the yarns having diameters of about 15–30 μm. The strain sensing characteristics of the yarns are investigated on test beams with the yarns arranged in a bridge configuration. Additionally, the strain sensing properties are also investigated on yarns embedded on the surface of a flexible membrane. Initial mechanical strength tests also show an increase in the modulus of elasticity of the composite materials while incurring a weight penalty of less than one-percent. Also presented are initial temperature characterizations of the yarns.

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