Data scatter in multiaxial fatigue: from the infinite to the finite fatigue life regime

A normalised SN curve can be derived from the probabilistic model and all the possible sinusoidal synchronous multiaxial load conditions can be represented and compared on the same graph giving some information about the cumulative failure probability. All the experimental results under the different loadings are gathered on this curve and it appears that all the points lie in a band from 10 to 90% cumulative failure probabilities.