Nanotube film based on single-wall carbon nanotubes for strain sensing
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TextSeries: ; Nanotechnology, 15, p.379-382, 2004Contained works: - Dharap, P
- Li, Z
- Nagarajaiah, S
- Barrera, E.V
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strains. In this study, the strain sensing characteristic of carbon nanotubes is used to develop a carbon nanotube film sensor that can be used for strain sensing on the macro scale. The carbon nanotube film is isotropic due to randomly oriented bundles of single-wall carbon nanotubes (SWCNTs). Using experimental results it is shown that there is a nearly linear change in voltage across the film when it is subjected to tensile and compressive stresses. The change in voltage is measured by a movable four-point probe in contact with the film. Multidirectional and multiple location strains can be measured by the isotropic carbon nanotube film.
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