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A new multi-function and all-electric rheometer (MAR) is designed by the authors. A sine vibration displacement is superimposed on the steady-state displacement of the piston in parallel. In order to study the dynamic displacement control error of MAR, its frequency and amplitude was obtained through decomposing the measured resultant displacement into steady-state displacement and the dynamic displacement,...
A new multi-function and all-electric rheometer (MAR) is designed by the authors. Functional requirements and technical index was presented from the practical need. Oscillation superposition onto a high rate steady shear is realized. It can be seen as a traditional rheometer without vibration to test the temperature and shear dependent viscosity, and polymer elasticity indicated from the die swell...
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