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F. Iacoviello et alii, Frattura ed Integrità Strutturale, 34 (2015) 406-414; DOI: 10.3221/IGF-ESIS.34.45

K I = 0 MPa  m K I

= 10 MPa  m

K I = 20 MPa  m K I

= 30 MPa  m

K I = 40 MPa  m. Figure 18 : Overloads effect on fatigue crack (arrows shows the loading direction).

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