Webinar

04.10.2022

Basics of Oscillatory Rheometry: The Amplitude Sweep

English
4 - 5 PM CEST

The amplitude sweep is one of the basic experiments in oscillatory rheometry. It is used to determine the linear viscoelastic range of the respective sample in order to be able to carry out further oscillatory measurements without affecting the structure at rest. 

The webinar gives an overview of the parameterization and interpretation of amplitude sweeps, in particular to determine the optimal StressStress is defined as a level of force applied on a sample with a well-defined cross section. (Stress = force/area). Samples having a circular or rectangular cross section can be compressed or stretched. Elastic materials like rubber can be stretched up to 5 to 10 times their original length.stress and StrainStrain describes a deformation of a material, which is loaded mechanically by an external force or stress. Rubber compounds show creep properties, if a static load is applied.strain amplitude. In the context of the interpretation of amplitude sweeps, the cohesion energy is discussed, which is of great importance for many practical applications.

Presenter:
Torsten Remmler
Sales and Applications Rheometry
NETZSCH-Ger├Ątebau GmbH

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