Manufacturing Industry
Carbon nanotubes reduce vibration in structures.(MATERIALS SCIENCE/R&D)
Advanced Materials & Processes, March, 2005
Nanostructured materials that reduce vibrations in mechanical equipment and electronic devices are said to be under development at Rensselaer Polytechnic Institute, Troy, N.Y. The Rensselaer research team added carbon nanotube fillers to traditional vibration-reduction materials to enhance their energy dissipation capability.
Adding large quantities of nanoscale fillers increases the amount of surface area, and thereby increases frictional sliding that occurs at the filler-to-filler interface. The result is reduced vibrations. "The nanoscale building blocks we have developed have both micro and macro applications," says Nikhil Koratkar, assistant professor of mechanical, aerospace, and nuclear engineering at Rensselaer. "The new systems reduce and control...
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