Measuring Yield Points Instead of Calculating
With conventional rotational rheometers, where the speed is controlled (shear rate) and the torque is measured (shear stress) it has been impossible to measure the yield point of a substance. Instead it had to be determined by means of extrapolation and using mathematical model equations. Now, with a controlled stress rheometer, the yield point of a substance can in fact me measured.
KeywordsShear Stress Yield Point Shear Rate Control Stress Rheometer Conductor Length
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