Figures & data
Figure 1. The geometry and dimensions of adhesively bonded single-lap joint.
Figure 2. Experimental process: (A) bonding apparatus, (B) impact testing apparatus, (C) impact test machine.
Figure 3. Boundary conditions.
Table 1. Parameters of adhesive (Araldite® 2015) used for CZM.[Citation40]
Table 2. Modulus of elasticity and density values of Al 2024-T3 and Al 5754-0.
Figure 4. Finite element model.
Figure 5. Numerical modeling approach for adhesive and adherends.
Figure 6. Stress–strain diagrams of (A) aluminum 2024-T3, (B) aluminum 5754-0 and (C) epoxy adhesive (Araldite® 2015).[Citation24,Citation37]
![Figure 6. Stress–strain diagrams of (A) aluminum 2024-T3, (B) aluminum 5754-0 and (C) epoxy adhesive (Araldite® 2015).[Citation24,Citation37]](/cms/asset/1b3fffe9-06d1-4ae5-bbf1-879ea81fb4c1/tast_a_1264105_f0006_b.gif)
Figure 7. Experimental and numerical contact force-time and contact force-central deflection diagrams for Al 2024 adhesive single-lap joints.
Figure 8. Experimental and numerical contact force-time and contact force-central deflection diagrams for Al 5754 adhesive single-lap joints.
Figure 9. Representation of (A) permanent central deflection , and (B) axial separation length
.
Figure 10. Experimental (E) and predicted (N) after-impact deformed geometries of the overlap region in Al 2024 adhesive single-lap joints.
Figure 11. Experimental (E) and predicted (N) after-impact deformed geometries of the overlap region in Al 5754 adhesive single-lap joints.
Figure 12. Through-thickness modeling of adhesive layer.
Figure 13. Damage propagation in Al 2024 adhesive single-lap joints ( mm,
and 11 J).
Figure 14. Damage propagation in Al 2024 adhesive single-lap joints ( mm,
and 11 J).
Figure 15. Damage propagation in Al 5754 adhesive single-lap joints ( mm,
and 11 J).
Figure 16. Damage propagation in Al 5754 adhesive single-lap joints ( mm,
and 11 J).
Figure 17. SEM and macroscope photographs of adhesive fracture surfaces in Al 2024 adhesive single-lap joint ( mm and
J, measurements in
m).
Figure 18. SEM and macroscope photographs of adhesive fracture surfaces in Al 2024 adhesive single-lap joint ( mm and
J, measurements in
m).
Figure 19. Effect of the overlap length on the contact force histories of adhesive single-lap joints having Al 2024 and Al 5754 adherends.
Figure 20. Fracture surfaces of the top and bottom adherends of Al 2024 and Al 5754 adhesive single-lap joints for different overlap lengths and impact energies.
