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Daniel T. Fisher, David V. Boger, Peter J. Scales
Measurement errors in yield stress rheometry that arise from torque auto zero
Appl. Rheol. 16:4 (2006) 206-209 ►

The measurement of the shear rheology of concentrated particulate suspensions is important to a range of mixing, pumping and flow operations. The use of a four or six bladed vane attached to a rheometer in an open cup is a popular technique to achieve a rheological characterisation. A problem occurs in the use of automated software with a number of rheological devices for yield stress materials. A torque auto zero default causes the torque at the start of a test to be ignored, and can result in significant errors and underestimation of the yield stress or rheological response of the suspension. The potential effect of using a torque auto zero default is demonstrated for a concentrated particulate suspension of nickel laterite.

► Cite this publication as follows:
Fisher DT, Boger DV, Scales PJ: Measurement errors in yield stress rheometry that arise from torque auto zero, Appl. Rheol. 16 (2006) 206.

David Boger
Introduction to The Diabolical Case of the Recurring Yield Stress
Appl. Rheol. 14:1 (2004) 40a ►

► Cite this publication as follows:
Boger DV: Introduction to The Diabolical Case of the Recurring Yield Stress, Appl. Rheol. 14 (2004) 40a.

G.M. Harrison, D.V. Boger
Well-characterized low viscosity elastic liquids
Appl. Rheol. 10:4 (2000) 166-177 ►

► Cite this publication as follows:
Harrison GM, Boger DV: Well-characterized low viscosity elastic liquids, Appl. Rheol. 10 (2000) 166.

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