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Two-state shear diagrams for complex fluids in shear flow

By P.D. Olmsted

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. \ud \u

Publisher: EDP Sciences
Year: 1999
OAI identifier: oai:eprints.whiterose.ac.uk:1951

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