Issue 49

N. Kaddouri et alii, Frattura ed Integrità Strutturale, 49 (2019) 331-340; DOI: 10.3221/IGF-ESIS49.33 339 a) 0 1 2 3 4 5 6 7 8 9 10 0,10 0,12 0,14 0,16 0,18 0,20 0,22 Defect position J-Integral J (mj/mm²) Crack lenght a= 10 mm Crack lenght a= 20 mm Crack lenght a= 30 mm 0 2 4 6 8 10 7 8 9 10 11 12 13 14 15 16 17 18 19 shear stress (MPa) Defect position Crack lenght a= 10 mm Crack lenght a= 20 mm Crack lenght a= 30 mm b) c) 0 2 4 6 8 10 6 8 10 12 14 16 18 Peel stress (MPa) Defect position Crack lenght a= 10 mm Crack lenght a= 20 mm Crack lenght a= 30 mm d) Figure 10 : a) Different position of default in the adhesive layer. b) Variation of the J-Integral in function of the position of the defect c) Variation of the Shear Stress as a function of the position of the defect. d) Variation of the Peel Stress according to the position of the defect.