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Y. Nadot et al. / Procedia Structural Integrity 7 (2017) 530–535 NADOT Yves / Structural Integrity Procedia 00 (2017) 000–000

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Fig. 3. Kitagawa diagrams for both microstructures (defect = crack calculated with 3 MPam1/2 effective threshold).

Fig. 4. Dimensionless Kitagawa diagram