Figure 1.
Figure 2.
Figure 3.
Figure 4.
Figure 5.
Figure 6.
Figure 7.
Figure 8.
Figure 9.
Figure 10.
Figure 11.
Figure 12.
Summary of material parameters of the analyzed adhesive
| Speed of testing mm/min | No. | Tensile strength, σp MPa | Strain related to tensile strength, εp % | Strain at failure, εf % | Modulus of elasticity, E MPa | Poisson’s ratio, μ |
|---|---|---|---|---|---|---|
| Technical Data Sheet [19] | ||||||
| Unknown | 18.6÷20.7 | - | 30÷50 | 517÷689 | 0.41 | |
| Current tests data | ||||||
| 1 | 1 | - | - | - | - | 0.363 |
| 2 | - | - | - | - | 0.344 | |
| 3 | - | - | - | - | 0.387 | |
| 4 | 15.24 | 3.90 | 5.71 | 1125 | - | |
| 5 | 15.06 | 4.69 | 10.01 | 1077 | - | |
| 6 | 13.51 | 3.73 | 9.50 | 938 | - | |
| 7 | 14.85 | 4.07 | 10.36 | 1074 | - | |
| 8 | 14.85 | 4.15 | 6.17 | 1075 | - | |
| Average | 14.70 | 4.11 | 8.35 | 1058 | 0.365 | |
| Stand. Deviation | 0.61 | 0.32 | 1.99 | 62.9 | 0.018 | |
| Coeff. of variation | 4.15% | 7.79% | 23.83% | 5.95% | 4.93% | |
| 10 | 9 | 16.58 | 3.25 | 9.83 | 1141 | - |
| 10 | 16.66 | 3.11 | 5.79 | 1137 | - | |
| 11 | 16.64 | 3.22 | 5.35 | 1161 | - | |
| 12 | 15.42 | 3.08 | 4.80 | 1128 | - | |
| 13 | 15.73 | 3.37 | 8.28 | 1090 | - | |
| Average | 16.21 | 3.21 | 6.81 | 1131 | - | |
| Stand. Deviation | 0.53 | 0.10 | 1.92 | 23.3 | - | |
| Coeff. of variation | 3.27% | 3.12% | 28.19% | 2.06% | - | |
Material parameters used in numerical analyses
| Speed of testing mm/min | σe MPa | εe % | σp MPa | εp % | εf % |
|---|---|---|---|---|---|
| 1 | 8.00 | 0.83 | 14.65 | 3.80 | 8.30 |
| 10 | 11.00 | 1.15 | 16.20 | 3.10 | 7.10 |