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Article Dans Une Revue Journal of Rheology Année : 1994

Bagley plot of the Vectra B950 thermotropic polymer

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Pierre Lefeuvre
  • Fonction : Auteur
T. De'Nève
  • Fonction : Auteur
Patrick Navard

Résumé

The nonlinearity of the Bagley plot of a thermotropic copolyesteramide is interpreted on the basis of the Eyring theory. The results obtained show that this nonlinearity can be interpreted as mainly due to an increase of viscosity with pressure. The dependence of viscosity on pressure is shown to vary upon the type of texture present in the capillary, either the worm-like one developed at low shear rates or the ordered one developed at high shear rates.
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Dates et versions

hal-00574918 , version 1 (09-03-2011)

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Pierre Lefeuvre, T. De'Nève, Patrick Navard. Bagley plot of the Vectra B950 thermotropic polymer. Journal of Rheology, 1994, 38 (1), pp.Pages 169-175. ⟨10.1122/1.550510⟩. ⟨hal-00574918⟩
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