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