Servohydraulic MTS Press

Description:

  • Stiff servohydraulically controlled press for acoustic emission (AE) and ultrasonic velocity measurements on triaxially stressed rocks.

Specifications:

  • Sample size: < 50 x 100 mm
  • Temperature: 25°C - 150°C (under construction)
  • Confining Pressure: < 200 MPa (fluid)
  • Axial load: < 4600 kN
  • Stiffness (frame): 11 MN/mm
  • Strain rate range: 10-6 - 10-2 s-1

Features:

  • Fast reacting servo-controlled hydraulic loading
  • On-line AE-analysis
  • Full AE-waveform storage
  • High spatial resolution of AE-hypocenters by use of 16 piezoelectric sensors
  • Pore pressure control

Gas Deformation Apparatus

Description:

  • Paterson-type gas apparatus for triaxial deformation and torsion experiments under high pressure - high temperature conditions.

Specifications:

  • Sample size: 10 x 20 mm
  • Temperature: < 1300°C
  • Confining Pressure: < 500 MPa (gas)
  • Axial load: < 100 kN
  • Stiffness (frame): 2 MN/mm
  • Strain rate range: 10-7 - 10-1 s-1
  • Torque: < 1000 Nm
  • Pore pressure: < 500 MPa

Features:

  • Axial and/or torsional deformation
  • Pore pressure control
  • Ultrasonic velocities (under construction)
  • Internal load, torque and displacement sensors

High Temperature Creep Apparatus

Description:

Uniaxial creep rig for high temperature creep tests under controlled chemical environment (‘dead-load’ or stepper motor-controlled)

Specifications:

  • Sample size: < 4 x 8 mm
  • Temperature: < 1400-1800 °C
  • Confining Pressure: 0.1 MPa
  • Axial load: < 1-2 kN
  • Stiffness (frame): 3 MN/mm
  • Strain rate range: 10-8 - 10-4 s-1

Features:

  • Oxygen-fugacity control
  • Frictionless loading
  • High displacement accuracy

Contact

Erik Rybacki
Scientist
Dr. Erik Rybacki
Geomechanics and Scientific Drilling
Telegrafenberg
Building D, Room 429
14473 Potsdam
+49 331 288-1329
Profile

Contact

Audrey Bonnelye
Scientist
Dr. Audrey Bonnelye
Geomechanics and Scientific Drilling
Telegrafenberg
Building D, Room 427
14473 Potsdam
Profile

Contact

Michael Naumann
Engineer
Dipl.-Ing. Michael Naumann
Geomechanics and Scientific Drilling
Telegrafenberg
Building D, Room 428
14473 Potsdam
+49 331 288-1383
Profile