Quenching and deformation dilatometer DIL 805A/D+T
The quenching and deformation dilatometer DIL 805A/D+T enables the temperature-controlled measurement of thermal and mechanical length changes and thus the investigation of phase transformations as a function of time, temperature and mechanical stress.
The inductive heating and targeted cooling enables industrial heating and heat treatment processes to be simulated.
By adding the tensile-compressive and compressive modules, specimens can be subjected to defined tensile or compressive stresses. This allows the influence of a deformation on the microstructure to be investigated and flow curves to be recorded in tensile or crush tests.
Feasible experiments and experimental parameters:
Areas of application in quenching mode:
- Determination of the linear thermal expansion coefficient
- Determination of structural transformations
- Generation of time-temperature-transformation and time-temperature-austenitisation diagrams
The addition of the tension and compression insert modules allows tensile, compression and tension-compression tests to be carried out.
Areas of application in the Tension and Compression modes
- Recording of temperature-dependent flow curves
- Recording of structure-dependent flow curves
- Generation of D-CCT Diagrams
Optical strain measurement
- Extension through the self-sufficient, permanently installed ARAMIS 2D 4M system from the company GOM
- Image resolution of 2,400 x 1,728 pixels with a frame rate of up to 168 Hz
- Measuring lens with a focal length of 75 mm
- Enables the recording of local strains and the determination of anisotropy parameters
Technical data:
| Parameter | Range |
|---|---|
| Temperature range | 20 °C – 1.500 °C |
| Expansion range | 0,001 – 1 1/s |
| Heating method | induktiv |
| Atmosphere | inert gas (He, N), air, vacuum |
| Measurement resolution | 0,05 µm / 0,05 °C |
| Temperature measurement | up to three thermocouples per sample |
| Parameter | Range |
|---|---|
| Heating speed | max. 4.000 K/s |
| Cooling speed | max. 2.500 K/s |
| Parameter | Range |
|---|---|
| Heating speed | max. 100 K/s |
| Cooling speed | max. 100 K/s |
| Press force | max. 20 kN |
| Strain rate | 0,001 – 10 1/s |
| Thermocouples | Up to three per sample |
| Number of forming steps | arbitrary |
| Parameter | Range |
|---|---|
| Heating speed | max. 100 K/s |
| Cooling speed | max. 100 K/s |
| Press force | max. 10 kN |
| Forming speed | 0,001 – 1,0 1/s |
| Number of forming steps | arbitrary |
