PSI - Issue 28

A. Saoud et al. / Procedia Structural Integrity 28 (2020) 491–501 Author name / Structural Integrity Procedia 00 (2019) 000–000

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Fig. 4. Evolution of the G IIC critical strain energy release as a function of the notch length

Fig. 5. Evolution of the stress intensity factor as a function of the notch length.

This analysis showed that there is indeed a dominant mode II. The fracture surfaces were observed using a scanning electron microscope (SEM) Fig. 6. shows the photomicrograph of crack initiation for a notch length a=6mm

Fig. 6. Crack initiation areas: (A) Sawed area (B) Primed area of Grandis Eucalyptus with magnification 40