PSI - Issue 54
Luís D.C. Ramalho et al. / Procedia Structural Integrity 54 (2024) 390–397
394
Lu´ıs D.C. Ramalho et al. / Structural Integrity Procedia 00 (2023) 000–000
5
Figure 3: Discretization near the overlap end
mum τ xy criterion used under predicts the joint strength for both adhesives, regardless of the numerical methods. This behaviour was expected since this is a simple criterion, which also under predicts strength in static loadings.
50
25
L O = 12.5 mm FEM L O =25mmFEM L O =50mmFEM L O = 12.5 mm RPIM L O = 25 mm RPIM L O = 50 mm RPIM L O = 12.5 mm NNRPIM L O = 25 mm NNRPIM L O = 50 mm NNRPIM
L O = 12.5 mm FEM L O =25mmFEM L O =50mmFEM L O = 12.5 mm RPIM L O = 25 mm RPIM L O = 50 mm RPIM L O = 12.5 mm NNRPIM L O = 25 mm NNRPIM L O = 50 mm NNRPIM
45
40
20
35
30
15
25
20 τ xy (MPa)
10 τ xy (MPa)
15
10
5
5
0
0
0
0.2
0.4
0.6
0.8
1
0
0.2
0.4
0.6
0.8
1
x/L O
x/L O
(a)
(b)
100
35
L O = 12.5 mm FEM L O =25mmFEM L O =50mmFEM L O = 12.5 mm RPIM L O = 25 mm RPIM L O = 50 mm RPIM L O = 12.5 mm NNRPIM L O = 25 mm NNRPIM L O = 50 mm NNRPIM
L O = 12.5 mm FEM L O =25mmFEM L O =50mmFEM L O = 12.5 mm RPIM L O = 25 mm RPIM L O = 50 mm RPIM L O = 12.5 mm NNRPIM L O = 25 mm NNRPIM L O = 50 mm NNRPIM
30
80
25
60
20
15
40
σ yy (MPa)
σ yy (MPa)
10
20
5
0
0
-20
-5
0
0.2
0.4
0.6
0.8
1
0
0.2
0.4
0.6
0.8
1
x/L O
x/L O
(c)
(d)
Figure 4: Shear stress (a) in the Araldite ® AV138 joints (b) and in the Sikaforce ® 7752 joints; Peel stress (c) in the Araldite ® AV138 joints (d) and in the Sikaforce ® 7752 joints
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