Abschreck- und Umformdilatometer BÄHR DIL 805 A/D
M. Wendler

Technical specifications

Manufacturer:
  • Waters (TA Instruments) DIL 805 ADT
Quench mode
  • Temperature range: -150 - 1180 °C (1700 °C)
  • maximum heating rate: 400 K/s
  • maximum cooling rate: 250 K/s (hollow samples), 50 K/s (solid samples)
  • Cooling media: Ar, N2, He
  • Measuring head for determining the coefficient of thermal expansion
  • Possibility of optical transverse strain measurement
  • Sample dimensions for quenching mode to RT
    • Hollow samples: 10×4×3 mm³ (L×Øoutside×Øinside)
    • Solid cylinder: 10×4 mm² (L×Øoutside) up to 50 K/s cooling rate
  • Sample dimensions for quenching down to -150 °C
    • Hollow samples: 10×4×3 mm³ (L×Øoutside×Øinside)
Deformation mode (cylinder compression test)
  • Deformation speed: 0.01 mm/s to 200 mm/s
  • Deformation travel: ≤ 7 mm
  • Minimum deformation: 0.1 mm
  • max. heating and cooling: 50 K/s (100 K/s with He)
  • Forming force: 20 kN
  • Sample dimensions: Solid cylinder 10×5 mm² (L×Øoutside)
  • Possibility of optical transverse strain measurement
Tension-compression mode
  • Deformation speed: 0.01 mm/s to 20 mm/s
  • Tension-compression forming range: ±5 mm
  • Tensile forming range: +9 mm
  • minimum deformation: 0.1 mm
  • max. heating and cooling: 50 K/s (100 K/s with He)
  • maximum tensile or compressive force: ±10 kN
  • Round and flat tensile specimens can be used
  • Possibility of optical transverse strain measurement
Typical applications:
  • Determination of phase transformation temperatures
  • Drawing up Continuous-Cooling-Transformation (CCT) diagrams , Time-Temperature-Transformation (TTT) diagrams and Time-Temperature-Austenitization (TTA) diagrams
  • Preparation of Deformation-Time-Temperature-Transformation (DTTT) diagrams
  • Determination of the Curie-temperature
  • Determination of the temperature-dependent coefficient of thermal expansion (CTE)
  • Mapping of industrial heat treatment regimes and its influence on the resulting phases
  • Investigation of anisotropic material states by means of transverse strain measurement

Contact person

Dr.-Ing. Marco Wendler
Ledebur-Bau
Leipziger Straße 34
Room 207
+49 3731 39-3605
Marco [dot] Wendler [at] iest [dot] tu-freiberg [dot] de