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Applied Physics Letters / Volume 74 / Issue 21 / STRUCTURAL, MECHANICAL, THERMODYNAMIC, AND OPTICAL PROPERTIES OF CONDENSED MATTER

Appl. Phys. Lett. 74, 3152 (1999); http://dx.doi.org/10.1063/1.124094 (3 pages)

Tensile tests of ropes of very long aligned multiwall carbon nanotubes

Z. W. Pan, S. S. Xie, L. Lu, B. H. Chang, L. F. Sun, W. Y. Zhou, G. Wang, and D. L. Zhang

Institute of Physics, Chinese Academy of Sciences, P.O. Box 603, Beijing 100080, China

(Received 1 December 1998; accepted 30 March 1999)

We have directly measured the Young’s modulus and tensile strength of multiwall carbon nanotubes by pulling very long (∼2 mm) aligned nanotube ropes with a specially designed stress-strain puller. This puller can apply an axial force to the rope and simultaneously measure the corresponding rope elongation and the change in rope resistance. The average Young’s modulus and tensile strength obtained were 0.45±0.23 TPa and 1.72±0.64 GPa, respectively, which are lower than those calculated and measured previously. The factors that affect the mechanical strengths of nanotubes are discussed. © 1999 American Institute of Physics.

© 1999 American Institute of Physics

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KEYWORDS and PACS

Keywords

carbon nanotubes, Young's modulus, tensile strength, elongation

PACS

ARTICLE DATA

Digital Object Identifier
http://dx.doi.org/10.1063/1.124094

PUBLICATION DATA

ISSN

0003-6951 (print)  
1077-3118 (online)

Publisher

$abstract.society.value is a Member of CrossRef American Institute of Physics

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    References

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