PSI - Issue 52

D. Amato et al. / Procedia Structural Integrity 52 (2024) 1–11

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Author name / Structural Integrity Procedia 00 (2019) 000 – 000

the small residual ligament and the interaction between the crack and the hole generates an excessive plasticization ahead of the crack front that exceeds the limits of applicability of LEFM.

Fig. 7 Crack Length vs Number of Cycles.

Fig. 8 Crack Growth Rate at breakthrough-point vs Number of Cycles.