Carbon nanotubes strength

First, we note the improvement of the mechanical characteristics of implantable devices that incorporate carbon nanotubes. Even if it is quite difficult to identify which one of stmctural, material chemistry, mechanical strength or other features prevails in a fibrous implantable device s success, it is assumed that carbon nanotubes strength may have a positive impact on soft tissues matrix. 

Many research opportunities exist for the controlled manipulation of structures of nm dimensions. Advances made in the characterization and manipulation of carbon nanotubes should therefore have a substantial general impact on the science and technology of nanostructures. The exceptionally high modulus and strength of thin multi-wall carbon nanotubes can be used in the manipulation of carbon nanotubes and other nanostructures [212, 213]. 

Harris has this to say on the breadth of appeal of nanotubes Carbon nanotubes have captured the imagination of physicists, chemists and materials scientists alike. Physicists have been attracted to their extraordinary electronic properties, chemists to their potential as nanotest-tubes and materials scientists to their amazing stiffness, strength and resilience . 

The yield strengths of defect-free SWNTs may be higher than that measured for Bacon s scroll structures, and measurements on defect-free carbon nanotubes may allow the prediction of the yield strength of a single, defect-free graphene sheet. Also, the yield strengths of MWNTs are subject to the same limitations discussed above with respect to tube slippage. All the discussion here relates to ideal nanotubes real carbon nanotubes may contain faults of various types that will influence their properties and require experimental measurements of their mechanical constants. 

Application of carbon nanotubes for high strength composite materials... 

It is widely perceived that carbon nanotubes will allow construction of composites with extraordinary strength weight ratios, due to the inherent strength of the nanotubes. Several rules of thumb have been developed in the study of fiber/matrix composites. Close inspection of these shows that carbon nanotubes satisfy several criteria, but that others remain untested (and therefore unsatisfied to date). High-strength com-... 

The tensile strength of carbon nanotubes has been determined to be over 50 times that of high-carbon steel (Yu et al., 2000). The strength of the bond structure in carbon nanotubes... 

Yu, M.-F. et al. (2000) Strength and breaking mechanism of multiwalled carbon nanotubes under tensile load. Science 287, 637-640. 

After Iijima pointed out the extraordinary strength of carbon nanotubes [204], and after their Young s modulus were measured [205], scientists and engineers have been interested in the mechanical properties of CNTs and other carbon nanomaterials. In this section, we will review the effect of defects and doping on the mechanical properties of carbon nanomaterials. 

Vilatela, Elliott A, Windle AH. A model for the strength of yarn-like carbon nanotube fibers. Acs Nano. 2011 Mar 5(3) 1921-Z. 

Liu Y-N, Li M, Gu Y, ZhangX, Zhao J, Li Q, et al. The interfacial strength and fracture characteristics of ethanol and polymer modified carbon nanotube fibers in their epoxy composites. Carbon. 2013 Feb 52(0) 550-8. 

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