Link to Index Page

Carbon nanotube and schematic of out-of-plane and in-plane bonds

This and the next image are from:

Rodney S. Ruoff (1), Dong Qian (2) and Wing Kam Liu (1)
(1) Department of Mechanical Engineering, Northwestern University, 2145 Sheridan Road, Evanston, IL 60208, USA
(2) Department of Mechanical, Industrial and Nuclear Engineering, University of Cincinnati, Cincinnati, OH 45221-0072, USA

“Mechanical properties of carbon nanotubes: theoretical predictions and experimental measurements”, Comptes Rendus Physique, Vol. 4, pp 993-1008, 2003, DOI: 10.1016/j.crhy.2003.08.001

ABSTRACT: Mechanical properties of carbon nanotubes are discussed based on recent advances in both modeling and experiment.
INTRODUCTION: Significant progress has been made in the area of nanoscale science and technology in the past decade. As one of the most interesting nanomaterials, carbon nanotubes (CNT) have received significant attention in terms of fundamental properties measurements and potential applications. This is largely due to the impressive physical properties as revealed from both theoretical and experimental studies. For example, the electrical properties of CNT may be tuned by mechanical deformation. Such properties are of great interest for applications such as sensors or smart materials. The study of these properties is multi- disciplinary and involves various branches of science and engineering. Steady progress has been made in exploring the mechanical properties and potential applications of two types of CNTs: single-walled carbon nanotubes (SWCNT) and multi-walled carbon nanotubes (MWCNT). The measured specific tensile strength of a single layer of a multi-walled carbon nanotube can be as high as 100 times that of steel, and the graphene sheet (in-plane) is as stiff as diamond at low strain. These mechanical properties motivate further study of possible applications for lightweight and high strength materials. Composite materials reinforced by either SWCNT or MWCNT have been fabricated and significant enhancement in mechanical properties has been recently reported.
(148 citations are listed at the end of the paper.)

Page 3 / 76