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Theau Conte, Rachid Bennacer, Mohend Chaouche
Thixotropic behavior of cement paste under large amplitude oscillatory shear

Appl. Rheol. 27:5 (2017) 53914 (9 pages)

Cement-based materials exhibit highly complex rheological properties, in particular yielding and thixotropy. These two properties can be characterized by considering rebuilding under a constant stress (creep) after shear at high rate. The rebuilding kinetics can be considered through the time evolution of the viscoelastic properties. However at the beginning of the rebuilding process the oscillatory behavior may be non-linear since the microstructure is destroyed by the shear flow. In the present investigation the rebuilding kinetics of cement pastes under oscillatory stress is considered through the transition from large amplitude oscillatory shear (LAOS) regime to small amplitude oscillatory shear (SAOS) regime. Three different cement paste mixes are considered: plain cement, nano-clay blended cement paste and cellulose ether blended cement paste. These three mixes are selected in order to deal with qualitatively different rheological properties.

Cite this publication as follows:
Conte T, Bennacer R, Chaouche M: Thixotropic behavior of cement paste under large amplitude oscillatory shear, Appl. Rheol. 27 (2017) 53914.

Jan Philip Plog
Spreadability of cream cheese - Influence of temperature and fat Conte.T

Appl. Rheol. 24:4 (2014) 10-11

Cite this publication as follows:
Plog JP: Spreadability of cream cheese - Influence of temperature and fat content, Appl. Rheol. 24 (2014) 10.

Won B. Yoon, Sundaram Gunasekaran, Jae W. Park
Evaluating viscosity of Surimi paste at different moisture Conte.Ts

Appl. Rheol. 14:3 (2004) 133-139

The steady and dynamic shear viscosity of fish muscle protein paste obtained from Alaska pollock surimi at 95%, 90%, 85%, 80%, and 75% of moisture Conte.Ts were measured in the temperature range of 5°C to 20°C. To estimate the steady shear viscosity at high shear rate from dynamic shear viscosity, the modified Cox-Merz rule was applied by introducing a frequency shift factor. The concentration dependence of zero-shear viscosity showed power-law dependence with an exponent of 3.5, and the universal behavior of viscosity at different protein concentrations was observed by a introducing reduced variables. The Carreau model was applied to describe the shear- thinning behavior of the surimi paste, and the model parameters estimated empirically showed moisture Conte.T dependence. The viscous flow behavior was independent of temperature (5°C to 20°C), and addition of starch decreased the flow index and viscosity of the paste, compared to the pure surimi paste.

Cite this publication as follows:
Yoon WB, Gunasekaran S, Park JW: Evaluating viscosity of Surimi paste at different moisture contents, Appl. Rheol. 14 (2004) 133.

H Magdanz, I Peter, M Prokop
Rheometric and Surface Energy Characterization of Varnish Resin Solutions with Low Solvent Conte.T

Appl. Rheol. 6:1 (1996) 21

Cite this publication as follows:
Magdanz H, Peter I, Prokop M: Rheometric and Surface Energy Characterization of Varnish Resin Solutions with Low Solvent Content, Appl. Rheol. 6 (1996) 21.


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