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Two-state shear diagrams for complex fluids in shear flow

1999/09/01 by Peter D. Olmsted, P. D Olmsted · 2 citations
Chemical Engineering · Engineering · Materials Science · Physics and Astronomy · #Fluid Dynamics and Heat Transfer #Polymer crystallization and properties #Rheology and Fluid Dynamics Studies #cond-mat.soft

paper · pdf · doi:10.1209/epl/i1999-00486-2

published as Europhysics Letters 48 (1999) 339-345 · 7 pp + 4 figs, to be published in Europhysics Letters

arxiv created 1999/09/01 · openalex publication_date 1999/11/01 · arxiv updated 2009/11/30 · openalex created_date 2016/06/24 · openalex updated_date 2026/07/30

Abstract

The possible "phase diagrams" for shear-induced phase transitions between two phases are collected. We consider shear-thickening and shear-thinning fluids, under conditions of both common strain rate and common stress in the two phases, and present the four fundamental shear stress vs. strain rate curves and discuss their concentration dependence. We outline how to construct more complicated phase diagrams, discuss in which class various experimental systems fall, and sketch how to reconstruct the phase diagrams from rheological measurements.

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