Split Hopkinson pressure bar

Technical specifications:

  • Testing speeds up to 25 m/s
  • Specimen sizes between Ø 1 mm and Ø 8 mm
  • Deformation speeds between 103 and >2 · 104 s-1
  • Testing temperatures -196°C to 1300°C

Biaxial-Split-Hopkinson-Bar

Technical specifications:

  • Combined tensile–torsional or compressive–torsional testing
  • Max. starting torque M = 300 Nm
  • Max. axial testing speed vmax = 25 m/s
  • Max. angular testing speed umax = 2200 U/min
  • Max. twist angle: ~90°

Loading type:

  • Compression
  • Shear
  • Biaxial compression/shear
  • Biaxial tension/shear
  • Free selectable stress ratio

Loading type:

  • Compression
  • Tension
  • Torsion
  • Biaxial tension/shear
  • Superimposed Biaxial Tension-Torsion, compression-Torsion

Advantages:

  • Precise force and deformation measurement
  • Combination with optical high-speed displacement-measurement processes and high-speed deformation-field measurement processes
  • Testing of steels, light and heavy metals, plastics, composite materials, glasses and ceramics

Advantages:

  • Biaxial material testing at high deformation rates up to >200 s-1
  • Possibility of testing high-strength materials (≤ 2000 MPa)
  • Determination of yield locus up to max. 8% deformation
  • Precise dynamic force and torque measurement
  • Combination with high-speed video-measurement technology