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The characteristics of multiple stress corrosion cracks in two different metal-environment systems have been analysed in statistical terms, particularly in relation to the increasing nucleation of cracks and the changes in average crack velocity with time. In general, the rates of nucleation and growth diminish with increasing test time for both systems, but both processes show stochastic properties...
A computerized version of a model for the growth of multiple stress corrosion cracks is presented. The model recognises the time dependence of crack nucleation, the dormancy of cracks at various intervals, the statistical distribution of growth rates and the coalescence of appropriately spaced cracks. These variables are interactive, so that larger crack nucleation rates enhance the chances of crack...