The rig was used to increase the force acting on the powder while a constant displacement rate was applied. Once the desired forces of 20 N (100 MPa) or 100 N (500 MPa) were reached the tester was stopped manually. Force and displacement data were recorded at a frequency of 2 Hz. Scans were then acquired at constant displacement after 2, 5, 10, 30 and 30 min to track the movement of the particles over time.