Freeman Technology’s uniaxial testing solution for the company’s FT4 Powder Rheometer extends the FT4’s ability to efficiently and reproducibly measure properties that directly correlate with a powder’s in-process behavior. Uniaxial testing complements existing test methodologies for shear, bulk and dynamic powder measurement. The new accessory:
- Produces a homogeneous, uniform powder column for testing.
- Produces data closely comparable to those derived from shear test data, but offers improved repeatability.
- Is not suitable for powders with very low cohesive strength, but is a quick and intuitive method for measuring unconfined yield strength of more cohesive materials.
- Complements rotational shear testing, which in contrast requires less sample, can be used for less cohesive materials and is essential for measuring wall friction data in support of material of construction choice.