Nonlinear Viscoelastic Properties Measurements in Complex Fluids using Dynamic Acoustoelastic Testing

Abstract

Non-contact acoustic methods appear to be an interesting alternative to conventional rheometry, particularly for the characterization of complex systems. A nonlinear acoustic approach, the Dynamic AcoustoElastic Testing (DAET) has been used to measure the nonlinear viscoelastic parameters. In this wave-interaction method, ultrasound pulses probe the sample… (More)

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