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Iranian researchers at Kashan University calculated the physical and mechanical properties of multi-walled carbon and nitride-Bohr nanotubes in a move to help improve the design of arms for nano-robots.
Various stability types of two-walled or multi-walled carbon nanotubes in an elastic environment are among the important issues that must be taken into consideration in the rotary movement of the arms around the joint or around a fixed point, located in the body of the robot.
"What distinguishes this study from all other researches carried out recently is the presentation of Pasternak model that considers the effect of shear forces applied by the elastic environment to the two-walled carbon nanotubes," Dr Ali Qorbanpour Arani, a lecturer at University of Kashan, told the Iran Nanotechnology Initiative Council.
The member of Nanoscience and Nanotechnology Research Center of University of Kashan added, "In this study, the physical and mechanical properties of the multi-walled carbon and nitride-Bohr nanotubes were determined. The properties can be used in the design of nano-robots' arms. In addition, they can be used as intelligent nanotubes due to their piezoelectric properties by using electrical field on them, and they can control the rotation and movement or the kinetic of the movement in the arms and neck of the nano-robot."
"Taking into account the fact that nanotubes are usually studied in an elastic environment, in order to calculate the forces applied to nanotubes, which include vertical and shear forces, we used Winkler model (for studying the vertical forces) and Pasternak model (for the vertical and shear forces) to obtain more precise results," Qorbanpour Arani concluded.
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