Molecular origins of nonlinear viscoelasticity |
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| Authors: | Jason G. Oakley A. Jeffrey Giacomin Joseph A. Yosick |
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| Affiliation: | (1) Rheology Research Center and Mechanical Engineering Department, University of Wisconsin, 53706-1572, WI;(2) Rheology Research Center and Chemical Engineering Department, University of Wisconsin, 53706-1572, WI |
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| Abstract: | Polymer melts are discussed in terms of relationships between their nonlinear viscoelasticity and molecular structure. The challenges of making nonlinear measurements and the rheometers available for studying nonlinear viscoelasticity are presented. Theories and constitutive models are reviewed and compared with one another and experimental data. Future studies of the molecular origins of nonlinear viscoelasticity are discussed especially in terms of rheometer development and future prospects for nonlinear viscoelastic models. |
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| Keywords: | nonlinear viscoelasticity molecular theory rheology rheometer |
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