The measurement of the yield stress of liquids |
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| Authors: | M Keentok |
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| Institution: | (1) Department of Mechanical Engineering, The University of Sydney, 2006 Sydney, N.S.W., Australia |
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| Abstract: | An analysis has been made of different methods of measuring the yield stress of liquids. In the experimental program, a comparison is made of measurements of the yield stress using an Instron 3250 Rheometer in several geometries (cone-plate, parallel plate and eccentric disk) in shear flow and stress relaxation, a laboratory vane and a cone penetrometer. Good agreement has been obtained between the shear flow data and the laboratory vane, while stress relaxation appears to underestimate the yield stress. |
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| Keywords: | Yield stress stress relaxation cone penetrometer laboratory vane grease |
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