Abstract Submitted to the ; NANOTUBE'05 Conference:

Carbon nanotubes (CNTs), descovered by Iiijima, in 1991 a new era in nanoscience. These nanomaterials play important and actual role in different applications - technique, desing of devices in electronics, nanocomputers, aircraft, transistors etc. Many researchers from all the world devoted their studies on these nanomaterials , not only because their extraordinary physical, mechanical, chemical, electrical etc. properies, but also of their atomistic scale (nano) sizes.It is intersting as well, to point out the fact that the chirality nanostructure of (CNTs), contribute too of their so good applications. The aim of the paper, presented could be formulated as follows: to generalize, to analyze and to discuss recent publications on theoretical approaches and experiments of carbon nanotubes. Classical structural mechanics theories, and novel approaches as classical molecular dynamics, extended bond potentials have been presented as well. Experimental studies by tunneling electron microscopy (TEM), and scanning tunneling microscopy (STS) have been discussed. Some concluding remarks with main results for example: the paper could be used as background for development of novel modified models, based on the classical mechanics for describing of mechanical behavior of (CNTs), comparison between theory and experiments have been given too.

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