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Enhancing Printable Concrete Thixotropy by High Shear Mixing
This study aimed to understand how mixing can enhance the thixotropy of a cement paste. Our results show that the storage elastic modulus as a function of time …
Thixotropic structural build-up of cement-based materials: A …
The evolution of static yield stress and storage modulus can be used to evaluate the structural build-up of fresh cementitious materials, each describing different aspects. ...
Rheology
Thixotropy refers to the reversible time-dependent decrease of viscosity. When the system is sheared for some time, the viscosity decreases, but when the shear is stopped (the system is …
Relationship between Structure and Rheology of …
While the loss modulus was not impacted by the different composition of the hydrogels, the elastic storage modulus was increased by the incorporation of CNC, giving the GA-HA-CNC hydrogels the best viscoelastic properties; thus, …
Isolating the effects of thixotropy in geopolymer pastes
In addition, a consistent crossover between the storage and loss modulus within 1–3 min of oscillation during cyclical oscillatory measurements greatly indicates the …
The evolution of storage modulus and loss modulus under strain ...
The significant thixotropy of MLPS colloidal suspension controls the solid-liquid transition and affects the application of the material. In this work, the thixotropic yieldin...
Thixotropic structural build-up of cement-based materials: A …
The evolution of static yield stress and storage modulus can be used to evaluate the structural build-up of fresh cementitious materials, each describing different aspects. …
Introduction to Thixotropy Analysis Using a Rotational Rheometer
thixotropy: 2209.26 Pa/s normalised thixotropy: 2.01023e-3 1/s thixotropy: 312.079 Pa/s normalised thixotropy: 3.48603e-4 1/s Matte Paint Satin Paint 40 60 80 100 Shear Rat e (1/s) …
On the thixotropy of cellulose nanofibril suspensions
However, none of these previous works focused on thixotropy of CNF suspensions. For example, while Naderi and Lindström conducted a shear recovery test to measure the recovery of …
Thixotropic chitosan hydrogels for biomedical applications: …
The storage moduli (G'') of chitosan hydrogels of different concentrations (C 1 …
"Isolating the effects of thixotropy in geopolymer pastes"
In addition, a consistent crossover between the storage and loss modulus within 1–3 minutes of oscillation during cyclical oscillatory measurements greatly indicates the …
Long-Lasting Thixotropic Natural Polymeric Hydrogel Based on …
The storage modulus of the RSF hydrogels recovered to more than 90% of the original value within 20 s after withstanding 1000% shear strain. By avoiding complicated …
Thixotropy—a review
Berland and Launay [123] examined the thixotropic behaviour of wheat flour …
Rheology
The various responses which can be analyzed to obtain the various rheological parameters include the creep compliance that can be split into elastic and viscous components, the stress …
New insights on carbon black suspension rheology -
The transient orthogonal storage modulus (solid circle) and loss modulus (open circle) of a 6 wt% CB suspension measured during the flow cessation test, where the flow is …
Thixotropic behavior and particulate aggregation in a suspension …
The suspension showed thixotropy, shear-thinning behavior, and yield stress. …
Thixotropy—a review
Berland and Launay [123] examined the thixotropic behaviour of wheat flour doughs and showed that thixotropic effects are seen in flows other than steady shear. They …
Thixotropic chitosan hydrogels for biomedical applications: …
The storage moduli (G'') of chitosan hydrogels of different concentrations (C 1 to C 5) showed an upward trend as the angular frequency increased from 0.01 to 100 rad/s …
Understanding Rheology of Structured Fluids
Thixotropy For many fluid materials, viscosity is mostly independent of time, and is only a function of the shear rate and temperature. For concentrated dispersions their viscosity does not reach …
Enhancing Printable Concrete Thixotropy by High Shear Mixing
We plot in Fig. 1 the elastic storage modulus versus time for cement paste mixed at 840 rpm versus 2800 rpm. Our results show that the storage elastic modulus as a …
Distinguishing thixotropy, anti-thixotropy, and …
Thixotropy, anti-thixotropy, and viscoelasticity are three types of time-dependent dynamics that involve fundamentally different underlying physical processes.
Thixotropic behavior and particulate aggregation in a suspension …
The suspension showed thixotropy, shear-thinning behavior, and yield stress. It also exhibited plateaus of storage modulus in frequency and strain sweep tests. As the …