Fabrication and Properties of Macroscopic Carbon Nanotube Assemblies Transforming from Aligned Nanotubes

Figure 5

Mechanical properties of CNT fibers. (a) Tensile stress-strain curve of pure CNT fibers with a gauge length of 5 mm; (b) distribution of tensile strength versus diameter of CNT fibers; (c) the variation of electrical conductivity during stretching; (d) SEM image on fracture surface of CNT fiber.