![]() One measurement obtained from this type of test is the linear viscoelastic region (LVER) of a fluid.Ī frequency sweep is typically performed after an amplitude sweep to obtain more information on a fluid’s behavior. Oscillatory Testing – Amplitude and Frequency SweepĪn amplitude sweep applies a controlled, increasing amplitude of strain at constant frequency to a fluid to measure the viscoelastic behavior. SwRI uses a variety of test methods in our laboratory. Rheology testing has applications in many different industries, including: A viscometer can only measure viscosity, while a rheometer can characterize the flow and deformation behavior of a fluid. ![]() Compared to a viscometer, a rheometer is a more complex instrument that offers a wide array of measurement options. This analysis technique can be used to characterize a wide range of fluids and semi-solids. Rheology is the study of the flow and deformation of materials. The Anton Paar MCR 502 rheometer is capable of numerous rheological tests, including the measurement of electrorheology, magnetorheology and pressurized rheology
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