| Pressure (MPa) | Strain |
|---|---|
| 0.00 | 0.000 |
| 3.45 | 0.212 |
| 0.00 | 0.000 |
| 0.69 | 0.083 |
| 1.38 | 0.144 |
| 2.07 | 0.192 |
| 2.76 | 0.216 |
| 3.45 | 0.233 |
As the fragile PMB as strain increases, the modulus decreases with increasing strain and irreversible damage leads to significant hysteresis during subsequent ramps.
Measured using pressure dilatometer and an LVDT for length changes.
initial K = 18 MPa