AVS 56th International Symposium & Exhibition
    Advanced Surface Engineering Tuesday Sessions
       Session SE-TuM

Paper SE-TuM10
Anti-Wear and Anti-Bacteria Behaviors of Rejuvenated TaN-Cu Nanocomposite Thin Films

Tuesday, November 10, 2009, 11:00 am, Room C4

Session: Hard and Nanocomposite Coatings
Presenter: J.H. Hsieh, Ming Chi University of Technology, Taiwan
Authors: J.H. Hsieh, Ming Chi University of Technology, Taiwan
P.C. Liu, Ming Chi University of Technology, Taiwan
C. Li, Nanyang Technological University, Singapore
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TaN–Cu nanocomposite films were deposited by reactive co-sputtering on Si and tool steel substrates. The films were then annealed using RTA (Rapid Thermal Annealing) at 400 °C for 2, 4, 8 minutes respectively to induce the nucleation and growth of Cu particles in TaN matrix and on film surface. Cu nano-particles emerged on the surface of TaN-Cu thin films were then removed after the samples were tested for their anti-wear and anti-bacterial behaviors. The samples were then re-annealed (rejuvenated), and re-tested for their anti-wear and anti-bacterial behaviors. The results reveal that the rejuvenated samples could have similar anti-wear and anti-bacterial behaviors so long as the annealing conditions were well adjusted. However, the hardness of the samples would decrease to a certain extent.