| Micro-mechanical properties |
|
| Young modulus of contacts | 0.3 GPa |
| Friction coefficient of contacts | 0.2 |
| Normal-to-shear stiffness ratio of contacts | 1.0 |
| Young modulus of bonds | 0.3 |
| Tensile strength of bonds | 1.6 MPa |
| Cohesion of bonds | 2.3 MPa |
| Normal-to-shear stiffness ratio of bonds | 1.0 |