Table 4.
Initial mechanical characteristics of the material components and internal interfaces of the DOFS cable, obtained from tensile and pull-out tests.
| Average | Standard Deviation | |
|---|---|---|
| Young’s modulus of the external coating (MPa) | 38 | 5 |
| Young’s modulus of the steel wire reinforcement (GPa) | 234 | 12 |
| Tangential stiffness of the external coating/OF (MPa/mm) | 0.21 | 0.14 |
| Tangential stiffness of the external coating/steel wire (MPa/mm) | 7.97 | 0.11 |
| Bond strength of the external coating/OF (MPa) | 0.055 | 0.004 |
| Bond strength of the external coating/steel wire (MPa) | 0.39 | 0.04 |