Theory of thermodynamic stresses in colloidal dispersions at the glass transition

被引：0

作者：

Hajnal, D. ^{[1
]}

Henrich, O. ^{[1
]}

Crassous, J. J. ^{[2
]}

Siebenbuerger, M. ^{[2
]}

Drechsler, M. ^{[2
]}

Ballauff, M. ^{[2
]}

Fuchs, M. ^{[1
]}

机构：

[1] Univ Konstanz, Fachbereich Phys, D-78457 Constance, Germany

[2] Univ Bayreuth, Phys Chem I, D-95440 Bayreuth, Germany

来源：

XVTH INTERNATIONAL CONGRESS ON RHEOLOGY - THE SOCIETY OF RHEOLOGY 80TH ANNUAL MEETING, PTS 1 AND 2 | 2008年 / 1027卷

关键词：

colloids; nonlinear theology; glass transition; flow curves;

D O I：

暂无

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

We discuss the nonlinear rheology of dense colloidal dispersions at the glass transition. A first principles approach starting with interacting Brownian particles in given arbitrary homogeneous (incompressible) flow neglecting hydrodynamic interactions is sketched. It e.g. explains steady state flow curves for finite shear rates measured in dense suspensions of thermosensitive core-shell particles consisting of a polystyrene core and a crosslinked poly(N-isopropylacrylamide)(PNIPAM) shell. The exponents of simple and generalized Herschel Bulkley laws are computed for hard spheres.

引用

页码：674 / +

页数：2

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