A new approach to fatigue analysis in composites based on residual strength degradation

Abstract Composite materials applied to transportation are usually subjected to cyclic loads that extend for periods of time longer than the ones traditionally studied. Therefore, it seems necessary to define a prediction model which would extend its range beyond the traditional 10 6 cycles of the S – N curves. This paper develops a prediction model based on the residual strength degradation of composites when subjected to cyclic loads.