It is well recognized that the electrochemistry modifications
within cathodically protected fatigue crevices in
seawater has pronounced effect on crack growth rate. This
study focuses its attention on potential distribution within
simulated fatigue crevice as a function of electrolyte velocity,
fatigue frequency and cathodic protection potential.
Results of salt water electrolyte and seawater electrolyte
are compared to bring about the effect of calcareous deposits,
Finally, a mathematical model based on mass transfer
laws is developed to rationalise potential distribution
trends within fatigue crevice and are compared with the
observed behaviour.