Coexistence of Liquid and Solid Phases in Flowing Soft-Glassy Materials

by: P Coussot, JS Raynaud, F Bertrand, P Moucheront, JP Guilbaud, HT Huynh, S Jarny, D Lesueur

Physical Review Letters, Vol. 88, No. 21. (May 2002), 218301.

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Abstract

Magnetic-resonance-imaging rheometrical experiments show that concentrated suspensions or emulsions cannot flow steadily at a uniform rate smaller than a critical value ( γ̇ c ). As a result; a “liquid” region (sheared rapidly; i.e.; at a rate larger than γ̇ c ) and a “solid” region (static) coexist. The behavior of the fluid in the liquid region follows a simple power-law model; while the extent of the solid region increases with the degree of jamming of the material.

@article{citeulike:2616154, abstract = {Magnetic-resonance-imaging rheometrical experiments show that concentrated suspensions or emulsions cannot flow steadily at a uniform rate smaller than a critical value ( γ̇ c ). As a result; a “liquid” region (sheared rapidly; i.e.; at a rate larger than γ̇ c ) and a “solid” region (static) coexist. The behavior of the fluid in the liquid region follows a simple power-law model; while the extent of the solid region increases with the degree of jamming of the material.}, author = {Coussot, P. and Raynaud, J. S. and Bertrand, F. and Moucheront, P. and Guilbaud, J. P. and Huynh, H. T. and Jarny, S. and Lesueur, D. }, citeulike-article-id = {2616154}, doi = {10.1103/PhysRevLett.88.218301}, journal = {Physical Review Letters}, keywords = {flow, phase, shearband}, month = {May}, number = {21}, pages = {218301+}, posted-at = {2008-04-26 00:19:47}, priority = {2}, publisher = {American Physical Society}, title = {Coexistence of Liquid and Solid Phases in Flowing Soft-Glassy Materials}, url = {http://dx.doi.org/10.1103/PhysRevLett.88.218301}, volume = {88}, year = {2002} }

RIS record

TY - JOUR ID - citeulike:2616154 TI - Coexistence of Liquid and Solid Phases in Flowing Soft-Glassy Materials JF - Physical Review Letters VL - 88 IS - 21 SP - 218301 PB - American Physical Society N2 - Magnetic-resonance-imaging rheometrical experiments show that concentrated suspensions or emulsions cannot flow steadily at a uniform rate smaller than a critical value ( γ̇ c ). As a result; a “liquid” region (sheared rapidly; i.e.; at a rate larger than γ̇ c ) and a “solid” region (static) coexist. The behavior of the fluid in the liquid region follows a simple power-law model; while the extent of the solid region increases with the degree of jamming of the material. KW - flow KW - phase KW - shearband AU - Coussot, P AU - Raynaud, JS AU - Bertrand, F AU - Moucheront, P AU - Guilbaud, JP AU - Huynh, HT AU - Jarny, S AU - Lesueur, D PY - 2002/05// UR - http://dx.doi.org/10.1103/PhysRevLett.88.218301 ER -

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