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  • Chem Sci Trans., 2015, 4(2),  pp 361-364  

    DOI:10.7598/cst2015.989

    Research Article

    Kinetics of Anodic Film Growth on Zr-4 in Ammonium Tartrate

  • RAJASHEKERREDDY ERAGARI, VIJAY KUMAR KUMBHAM and A. PANASA REDDY
  • Department Of Chemistry, University College of Engineering, Osmania University, Hyderabad-500007, Telangana, India
  • Abstract

    The kinetics of anodic film growth on Zr-4 in 0.05 M ammonium tartrate has been studied at different current densities at room temperature under galvano static condition. The kinetic parameters like rate of film formation(dV/dt), ionic current density(Ii),current efficiency(η) and field of formation(F) were calculated. Using Cabrera-Mott theory the kinetic parameters such as half-jump distance(a), height of the energy barrier(W) were deduced. It is also established an exponential relation between ionic current density(ii) and field of formation(F).

    Keywords

    Anodization, Zircaloy-4, current efficiency(η), Cabrera-Mott theory

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