Rheology

Characterization

Brand

TA Instruments DHR-2

Geometries

8 – 60 mm parallel plate
60 mm cone-plate
Cup and bob
Tribology (ring-on-plate, 3-balls-on-plate)
Torsion DMTA (for solids)

Temperature range

-140 – 600 °C

Sample types

Fluids, suspensions, slurries, polymer melts, solids (rectangular bars)

Sample size

5 g or 10 mL

Output

Viscoelastic properties of materials

A rheometer is used to measure how a material flows in reponse to applied forces. For materials with both solid and fluid characteristics this results in a description of their viscoelastic behavior. Measurements can be performed in rotational, oscillatory or temperature controlled mode in order to determine properties such as viscosity, storage and loss modulus, creep and relaxation. Processes like curing, gelation or drying can also be studied using rheology.