Cumulative Damage of Load Spectra with Stress Amplitude Below the Fatigue Limit

3 Cumulative Damage of Load Spectra with Stress Amplitude Below the Fatigue Limit 

It has been shown in Sect. 1.6 that stress amplitudes below the fatigue limit can also lead to fatigue failure if the damage they would not be able to propagate to a 

Lemaitre and Plumtree [20] using a formulation based on damage mechanics proposed a damage progression low of the type 

Above the Miner-line in low cycle fatigue predictions made by Eq. (8.17) overestimate damage progression with respect to that of Eq. (8.8). 

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