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Rheologica Acta

Rheologica Acta OnlineFirst articles

08.06.2019 | Original Contribution

Yield stress measurement of a thixotropic colloid

Yield stress measurements have long been considered to be inconsistent and difficult, especially for a thixotropic colloid, since the thixotropic behavior gives rise to time-dependent rheological properties. In this paper, we attempted measuring …

08.06.2019 | Original Contribution

On the universality in the extensional rheology of monodisperse polymer melts and oligomer dilutions thereof

The startup and steady extensional viscosities were measured on two narrow molar mass distributed (NMMD) poly(methyl methacrylates) (PMMA) diluted in 57% 2.1 kg/mole oligomer methyl methacrylates. The oligomer is short enough to be random …

07.06.2019 | Original Contribution

Yielding and recovery of conductive pastes for screen printing

We investigate the yielding and recovery of silver pastes with industrial applications under dynamic shear conditions by means of the recently developed “sequence of physical processes” (SPP) approach. The SPP framework is unique as it allows …

25.05.2019 | Original Contribution

Rheo-physical characterization of microstructure and flow behavior of concentrated surfactant solutions

Processing-relevant relationships between the microstructure and flow behavior of concentrated surfactant solutions were determined by a combination of basic rheological experiments, rheo-flow velocimetry tests, and flow birefringence …

21.05.2019 | Original Contribution

Instantaneous dimensionless numbers for transient nonlinear rheology

Two instantaneous dimensionless numbers that act as Deborah and Weissenberg numbers are introduced to diagnose flow conditions for transient nonlinear rheology. The utility of the new numbers is demonstrated on the steady alternating large …

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Über diese Zeitschrift

The journal Rheologica Acta advances the science of rheology by publishing high quality peer reviewed articles, invited reviews and peer reviewed short communications reporting substantial progress in core areas of fluid or solid rheology.

The scope of coverage includes rheometrical and rheo-physical techniques, rheo-optics, microrheology; rheology of soft matter systems including polymer melts and solutions, colloidal dispersions, cement, ceramics, glasses, gels, emulsions, surfactant systems, liquid crystals, biomaterials and food; electro and magnetorheology; theory of rheology; non-Newtonian fluid mechanics, complex fluids in microfluidic devices and flow instabilities; interfacial rheology and more.

Rheologica Acta is the official journal of The European Society of Rheology.

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