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Better cars, aircraft and space structures evolving in lab of DHS Scholar

 (Nov. 21, 2006)

    A whole new breed of metal composites that could lead to better-performing and more durable automobiles, aircraft, and structures used in space is being developed at Oklahoma University by DHS Scholar Jason Watkins. His research involves carbon nanotubes, one of the strongest materials known, and specifically, single-walled nanotubes – ultra-thin nanotubes of a diameter of close to 1 nanometer, yet with remarkable material properties.
     “Nanotubes have many desirable properties including high tensile strength, low density, and ballistic thermal and electrical conduction,” says Jason. “The challenging part is developing a way to fully utilize these properties.”
     Combining carbon nanotubes with commonly used metals can improve the performance of gas engines, fossil fuel combustors that burn coal, oil or natural gas, and aircraft and space structures. Jason’s research is focused on realizing practical conditions for the fabrication of aluminum/nanotube composites – an area in which there has been little research.
     “Aluminum was chosen as a starting point because of its extensive use in industry today,” explains Jason. “Its low melting point also allows for combining with nanotubes at relatively low temperatures (approximately 1200° F). Hopefully, the methods used for aluminum will be easily adapted for other common materials such as copper and steel.”

     Jason will graduate from the University of Oklahoma in May 2007 with an M.S. in Mechanical Engineering. He will work for the Benham Companies in Oklahoma City where he is already a part-time employee.