J. Brandon McClimon Receives 2016 Society of Tribologists and Lubrication Engineers Scholarship
J. Brandon McClimon, doctoral student in the department of Materials Science and Engineering, is the recipient of the 2016 Philadelphia section of the Society of Tribologists and Lubrication Engineers Scholarship for his work on silicon-doped amorphous carbon coatings. These coatings provide very low friction and wear in extreme temperatures and oxidizing environments, even in the absence of a liquid lubricant.
His research is focused on unraveling the mechanisms by which these advantageous properties are achieved so that new materials with further improved properties can be predictively designed. By combining friction and wear measurements with spectroscopy techniques sensitive to the chemistry and structure of the near-surface region, fundamental mechanisms can be identified.
Such measurements demonstrate that in the case of the silicon-doped films, silicon plays an important role by promoting diamond-like bonding of the carbon, which is stable against high temperatures and oxidation. This allows these films to retain better properties in harsh environments than undoped films which contain a smaller fraction of diamond-like carbon.
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