13th International Conference on Fracture June 16–21, 2013, Beijing, China -6- between graphite nodules and ferritic matrix, with the graphite nodule - ferritic matrix debonding as the main damaging micromechanism. Figure 5. DCI EN GJS350-22 fatigue crack path. SEM observation of the specimen lateral surface (R = 0.1, ΔK = 10 MPa√m). Figure 6. DCI EN GJS350-22 fatigue crack path. SEM observation of the specimen lateral surface (R = 0.1, ΔK = 22 MPa√m). Figure 7. DCI EN GJS700-2 fatigue crack path. SEM observation of the specimen lateral surface (R = 0.1, ΔK = 22 MPa√m). Figure 8. DCI EN GJS700-2 fatigue crack path. SEM observation of the specimen lateral surface (R = 0.5, ΔK = 10 MPa√m). Figure 9. DCI EN GJS700-2 fatigue crack path. SEM observation of the specimen lateral surface (R = 0.75, ΔK = 7 MPa√m). Figure 10. DCI EN GJS700-2, SEM fracture surface analysis (R = 0.1, ΔK = 16 MPa√m).
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