

Material Testing System:
1. Ultra-stiff MTS 4.6 MN cyclical-rated
load frame; 10.5 GN/m spring rate
High-pressure (140 MPa)
servo-controlled pressure vessel
Servo-controlled temperatures
up to 200 C
Servo-controlled pore fluid
flow, pressures up to 140 MPa
Quantitative acoustic emission
and active imaging throughout test cycle
2. Multiple loop (4)
computer-controlled servo-hydraulic control system